{"type": "FeatureCollection", "features": [{"id": "10.1016/j.soilbio.2007.05.035", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:38Z", "type": "Journal Article", "created": "2007-07-20", "title": "Mineralization And Carbon Turnover In Subarctic Heath Soil As Affected By Warming And Additional Litter", "description": "Arctic soil carbon (C) stocks are threatened by the rapidly advancing global warming. In addition to temperature, increasing amounts of leaf litter fall following from the expansion of deciduous shrubs and trees in northern ecosystems may alter biogeochemical cycling of C and nutrients. Our aim was to assess how factorial warming and litter addition in a long-term field experiment on a subarctic heath affect resource limitation of soil microbial communities (measured by thymidine and leucine incorporation techniques), net growing-season mineralization of nitrogen (N) and phosphorus (P), and carbon turnover (measured as changes in the pools during a growing-season-long field incubation of soil cores in situ). The mainly N limited bacterial communities had shifted slightly towards limitation by C and P in response to seven growing seasons of warming. This and the significantly increased bacterial growth rate under warming may partly explain the observed higher C loss from the warmed soil. This is furthermore consistent with the less dramatic increase in the contents of dissolved organic carbon (DOC) and dissolved organic N (DON) in the warmed soil than in the soil from ambient temperature during the field incubation. The added litter did not affect the carbon content, but it was a source of nutrients to the soil, and it also tended to increase bacterial growth rate and net mineralization of P. The inorganic N pool decreased during the field incubation of soil cores, especially in the separate warming and litter addition treatments, while gross mineralized N was immobilized in the biomass of microbes and plants transplanted into the incubates soil cores, but without any significant effect of the treatments. The effects of warming plus litter addition on bacterial growth rates and of warming on C and N transformations during field incubation suggest that microbial activity is an important control on the carbon balance of arctic soils under climate change.", "keywords": ["13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2007.05.035"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2007.05.035", "name": "item", "description": "10.1016/j.soilbio.2007.05.035", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2007.05.035"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2007-12-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2007.08.021", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:39Z", "type": "Journal Article", "created": "2007-11-09", "title": "Observed And Modelled Soil Carbon And Nitrogen Changes After Planting A Pinus Radiata Stand Onto Former Pasture", "description": "Abstract   After reforesting pasture land, it is often observed that soil carbon stocks decrease. The present work reports findings from a site near Canberra, Australia, where a pine forest (Pinus radiata) was planted onto a former unimproved pasture site. We report a number of detailed observations seeking to understand the basis of the decline in soil C stocks. This is supported by simulations using the whole-ecosystem carbon and nitrogen cycling model CenW 3.1. The model indicated that over the first 18 years after forest establishment, the site lost about 5.5\u00a0t\u00a0C\u00a0ha\u22121 and 588\u00a0kgN\u00a0ha\u22121 from the soil. The C:N ratio of soil organic matter did not change in a systematic manner over the observational period. Carbon and nitrogen stocks contained in the biomass of the 18-year old pine stand exceeded that of the pasture by 88\u00a0t\u00a0C\u00a0ha\u22121 and 393\u00a0kgN\u00a0ha\u22121. An additional 6.1\u00a0t\u00a0C\u00a0ha\u22121 and 110\u00a0kgN\u00a0ha\u22121 accumulated in above-ground litter. These changes, together with the vertical distribution of carbon and nitrogen in the soil, agreed well with the observation at the site. It was assumed that over 18 years, there was also a loss of 86\u00a0kgN\u00a0ha\u22121 from the ecosystem because of normal gaseous losses during nitrogen turn-over and a small amount of nitrogen leaching. Those losses could not be replenished in the pine system without symbiotic biological nitrogen fixation, and there were no fertiliser additions. A simple mass balance approach indicated that the amount of nitrogen accumulating in plant biomass and the litter layer plus the assumed nitrogen loss from the site matched the amount of nitrogen lost from the soil organic nitrogen pool. This reduction in soil nitrogen, together with an unchanged C:N ratio, provided a simple and internally consistent explanation for the observed reduction of soil carbon after reforestation. It supports the general notion that trends in soil carbon upon land-use change can often be controlled by the possible fates of available soil nitrogen.", "keywords": ["550", "Nitrogen", "CenW", "Reforesting pasture lands", "910", "Carbon inorganic compounds", "01 natural sciences", "Ecosystems", "Nitrogen compounds", "C:N ratio", "Nitrogen fixation", "Pasture", "Biomass", "Reforestation", "0105 earth and related environmental sciences", "Keywords: Biological materials", "Pinus radiata", "Nitrogen cycling models", "modeling", "04 agricultural and veterinary sciences", "15. Life on land", "carbon sequestration", "Soil carbon", "Pine", "coniferous tree", "Pine forest", "Soils", "0401 agriculture", " forestry", " and fisheries", "Model"], "contacts": [{"organization": "Roger M. Gifford, LanBin Guo, Miko U. F. Kirschbaum, Miko U. F. Kirschbaum,", "roles": ["creator"]}]}, "links": [{"href": "https://openresearch-repository.anu.edu.au/bitstream/1885/61078/5/Kirschbaum_Observed_and_modelled_soil_carbon.pdf.jpg"}, {"href": "https://openresearch-repository.anu.edu.au/bitstream/1885/61078/7/01_Kirschbaum_Observed_and_modelled_soil_2008.pdf.jpg"}, {"href": "https://doi.org/10.1016/j.soilbio.2007.08.021"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2007.08.021", "name": "item", "description": "10.1016/j.soilbio.2007.08.021", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2007.08.021"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-01-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2008.01.021", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:39Z", "type": "Journal Article", "created": "2008-05-08", "title": "Recovery Of Biochemical Functionality In Polluted Flood-Plain Soils: The Role Of Microhabitat Differentiation Through Revegetation And Rehabilitation Of The River Dynamics", "description": "Abstract   Soil biogeochemical functions in flood-plains are controlled mainly by interactions between river flooding dynamics and vegetation change. This generates a pattern of landscape cross-sectional and longitudinal heterogeneity in texture, microtopography and plant cover. Agricultural uses restrain such mechanisms, eliminating the mosaic of soil environments and vegetation patches in natural flood-plains. The ecological restoration performed in ca. 5000\u00a0ha of agricultural lands in the Guadiamar river basin (SW Spain), affected by the Aznalcollar mine spill in 1998 (Cd, Cu, Pb and Zn-rich pyritic sludge), has focused on the re-creation of those controlling mechanisms (enhancement of the natural river flooding dynamics and patchy afforestation). We have studied temporal trends, and the role of specific habitats differentiation in the river terraces, on the recovery of the soil biochemical status in the emerging ecosystems. During 2000\u20132004, the geometric mean of enzyme activities (dehydrogenase, \u03b2-glucosidase, urease, arylsulfatase, acid and alkaline phosphatase) increased three-fold in the most-impacted, coarser textured, upper-watershed soils; and by six-fold in less polluted, loamy soils at the mid-watershed. In 2005, sampling was stratified by microhabitats at two representative watershed sections. Vegetation cover-type and transport/sedimentation processes are the main driving forces increasing both the mean value and intra-site spatial heterogeneity of soil properties (especially enzyme activities) in reclaimed areas. In the wet season, soil enzyme activity under adult trees (holm-oaks and Eucaliptus), and in spots where silt and plant residues had accumulated during previous floodings, was more than 50% higher than in bare areas. However, activities were strongly inhibited in eroded areas where pollutant residues appeared in the surface. Woody patches and the grassy matrix of revegetated areas showed distinctive soil N features. Specific plant species effects were observed, such as a generally high enzymatic activity in soils under Tamarix gallica.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.01.021"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.01.021", "name": "item", "description": "10.1016/j.soilbio.2008.01.021", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.01.021"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-09-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2008.04.007", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:39Z", "type": "Journal Article", "created": "2008-05-16", "title": "Soil Nitrogen Leaching Losses In Response To Freeze-Thaw Cycles And Pulsed Warming In A Temperate Old Field", "description": "Abstract   Climate warming and increased climate variability are both predicted to increase the frequency of soil freeze\u2013thaw cycles in temperate regions. We exposed intact soil-plant mesocosms to freeze\u2013thaw cycles and examined the effects on nitrogen leaching losses. Freezing treatments were performed by incubating the mesocosms in the soil with their tops exposed to air to impose freezing from the top down, such that realistic freezing rates and cycle amplitudes were experienced across the soil profile. Leaching events were then initiated by water addition the following day for both the freezing treatment and control mesocosms. While water addition alone explained the major part of soluble organic nitrogen leaching, nitrate leaching approximately doubled in response to freeze\u2013thaw cycles, and nitrogen leaching remained high after 11 freeze\u2013thaw cycles. In a second experiment, pulses of warming were applied in situ to mesocosms over fall, winter or spring, in order to melt snow, and thereby increase freeze\u2013thaw cycling by exposing soils to diurnal fluctuations in air temperature. Warming pulses had little effect on sub-surface soil temperatures and no effect on soil nitrogen leaching. However, warming pulses over spring severely reduced the abundance of the legume Coronilla varia in the following growing season. Overall, the results of these experiments indicate that while increased soil freeze\u2013thaw cycles combined with leaching events are capable of increasing soil nitrogen losses, warming pulses will only promote increased freeze\u2013thaw cycles if they are followed by cold, snow-free weather. The strong effect of warming on the N-fixer C. varia highlights that changes in plant species composition in response to warming may have stronger implications for soil nitrogen dynamics than the direct effects of freeze\u2013thaw cycles on soil nitrogen leaching losses.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.04.007"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.04.007", "name": "item", "description": "10.1016/j.soilbio.2008.04.007", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.04.007"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-07-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2008.05.007", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:39Z", "type": "Journal Article", "created": "2008-06-12", "title": "Long-Term Organic Farming Fosters Below And Aboveground Biota: Implications For Soil Quality, Biological Control And Productivity", "description": "Organic farming may contribute substantially to future agricultural production worldwide by improving soil quality and pest control, thereby reducing environmental impacts of conventional farming. We investigated in a comprehensive way soil chemical, as well as below and aboveground biological parameters of two organic and two conventional wheat farming systems that primarily differed in fertilization and weed management strategies. Contrast analyses identified management related differences between \u201cherbicide-free\u201d bioorganic (BIOORG) and biodynamic (BIODYN) systems and conventional systems with (CONFYM) or without manure (CONMIN) and herbicide application within a long-term agricultural experiment (DOK trial, Switzerland). Soil carbon content was significantly higher in systems receiving farmyard manure and concomitantly microbial biomass (fungi and bacteria) was increased. Microbial activity parameters, such as microbial basal respiration and nitrogen mineralization, showed an opposite pattern, suggesting that soil carbon in the conventional system (CONFYM) was more easily accessible to microorganisms than in organic systems. Bacterivorous nematodes and earthworms were most abundant in systems that received farmyard manure, which is in line with the responses of their potential food sources (microbes and organic matter). Mineral fertilizer application detrimentally affected enchytraeids and Diptera larvae, whereas aphids benefited. Spider abundance was favoured by organic management, most likely a response to increased prey availability from the belowground subsystem or increased weed coverage. In contrast to most soil-based, bottom-up controlled interactions, the twofold higher abundance of this generalist predator group in organic systems likely contributed to the significantly lower abundance of aboveground herbivore pests (aphids) in these systems. Long-term organic farming and the application of farmyard manure promoted soil quality, microbial biomass and fostered natural enemies and ecosystem engineers, suggesting enhanced nutrient cycling and pest control. Mineral fertilizers and herbicide application, in contrast, affected the potential for top-down control of aboveground pests negatively and reduced the organic carbon levels. Our study indicates that the use of synthetic fertilizers and herbicide application changes interactions within and between below and aboveground components, ultimately promoting negative environmental impacts of agriculture by reducing internal biological cycles and pest control. On the contrary, organic farming fosters microbial and faunal decomposers and this propagates into the aboveground system via generalist predators thereby increasing conservation biological control. However, grain and straw yields were 23% higher in systems receiving mineral fertilizers and herbicides reflecting the trade-off between productivity and environmental responsibility.", "keywords": ["[SDE] Environmental Sciences", "generalist predators", "respiration microbienne", "[SDV]Life Sciences [q-bio]", "faune du sol", "natural enemies", "alternative prey", "630", "nitrogen", "food-web", "Soil", "agriculture biologique", "cycle biologique", "herbicide", "min\u00e9ralisation de l'azote", "fertilisation organique", "fertilisation min\u00e9rale", "soil quality", "2. Zero hunger", "agriculture biodynamique", "agriculture conventionnelle", "nutrient cycling", "04 agricultural and veterinary sciences", "sustainability", "long terme", "6. Clean water", "[SDV] Life Sciences [q-bio]", "mycorrhizal fungi", "ennemi naturel", "microbial community structure", "ecosystem functioning", "[SDE]Environmental Sciences", "DOK trial;ecosystem functioning;farming system;fertilization;generalist predators;microbial community;nutrient cycling;natural enemies;soil fauna;soil quality;sustainability", "microbial community", "soil fauna", "agricultural systems", "management", "570", "agroecosystems", "Soil quality", "suisse", "productivit\u00e9", "Soil biology", "culture c\u00e9r\u00e9aliere", "triticum aestivum", "biomasse microbienne", "biomass", "DOK trial", "15. Life on land", "qualit\u00e9 biologique du sol", "fertilization", "13. Climate action", "Biodiversity and ecosystem services", "0401 agriculture", " forestry", " and fisheries", "farming system", "Cereals", " pulses and oilseeds"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.05.007"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.05.007", "name": "item", "description": "10.1016/j.soilbio.2008.05.007", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.05.007"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-09-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2008.08.018", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:39Z", "type": "Journal Article", "created": "2008-09-21", "title": "Carbon And Nitrogen Store And Storage Potential As Affected By Land-Use In A Leymus Chinensis Grassland Of Northern China", "description": "Understanding the store and storage potential of carbon (C) and nitrogen (N) helps us understand how ecosystems would respond to natural and anthropogenic disturbances under different management strategies. We investigated organic C and N storage in aboveground biomass, litter, roots, and soil organic matter (SOM) in eight sites that were floristically and topographically similar, but which had been subjected to different intensities of disturbance by grazing animals. The primary objective of this study was to ascertain the impact of grazing exclusion (GE) on the store and storage potential of C and N in the Leymus chinensis Tzvel. grasslands of northern China. The results revealed that the total C storage (including that stored in aboveground biomass, litter, roots, and SOM, i.e. top 100-cm soil layer) was significantly different among the eight grasslands and varied from 7.0 kg C m \ufffd2 to 15.8 kg C m \ufffd2 , meanwhile, the total N storage varied from 0.6 kg N m \ufffd2 to 1.5 kg N m \ufffd2 . The soil C storage decreased substantially with grassland degradation due to long-term heavy grazing. 90% C and 95% N stored in grasslands were observed in the SOM, and they were minor in other pools. The limit range of C and N storage observed in these grassland soils suggests that GE may be a valuable mechanism of sequestering C in the top meter of the soil profile.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.08.018"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.08.018", "name": "item", "description": "10.1016/j.soilbio.2008.08.018", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.08.018"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-12-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2008.09.016", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2008-10-22", "title": "Priming Depletes Soil Carbon And Releases Nitrogen In A Scrub-Oak Ecosystem Exposed To Elevated Co2", "description": "Abstract   Elevated atmospheric CO 2  tends to stimulate plant productivity, which could either stimulate or suppress the processing of soil carbon, thereby feeding back to atmospheric CO 2  concentrations. We employed an acid-hydrolysis-incubation method and a net nitrogen-mineralization assay to assess stability of soil carbon pools and short-term nitrogen dynamics in a Florida scrub-oak ecosystem after six years of exposure to elevated CO 2 . We found that soil carbon concentration in the slow pool was 27% lower in elevated than ambient CO 2  plots at 0\u201310\u00a0cm depth. The difference in carbon mass was equivalent to roughly one-third of the increase in plant biomass that occurred in the same experiment. These results concur with previous reports from this ecosystem that elevated CO 2  stimulates microbial degradation of relatively stable soil organic carbon pools. Accordingly, elevated CO 2  increased net N mineralization in the 10\u201330\u00a0cm depth, which may increase N availability, thereby allowing for continued stimulation of plant productivity by elevated CO 2 . Our findings suggest that soil texture and climate may explain the differential response of soil carbon among various long-term, field-based CO 2  studies. Increased mineralization of stable soil organic carbon by a CO 2 -induced priming effect may diminish the terrestrial carbon sink globally.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.09.016"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.09.016", "name": "item", "description": "10.1016/j.soilbio.2008.09.016", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.09.016"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-01-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.07.025", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2009-08-06", "title": "Tillage And Crop Residue Management Significantly Affects N-Trace Gas Emissions During The Non-Rice Season Of A Subtropical Rice-Wheat Rotation", "description": "Abstract   Field operations of tillage and residue incorporation could have potentially important influences on N-trace gas fluxes, though poorly quantified. Here we studied the effects of straw incorporation in the preceding rice season and no-tillage prior to wheat sowing on nitric oxide (NO) and nitrous oxide (N2O) emissions during the non-rice period of a typical rice-wheat rotation in the Yangtze River Delta. Compared to conventional management practice (no straw incorporation along with rotary harrowing tillage to 10\u00a0cm before wheat sowing), straw incorporation alone decreased cumulative N2O emissions over the entire non-rice period by 32% (1.53 vs. 2.24\u00a0kg\u00a0N\u00a0ha-1, P", "keywords": ["2. Zero hunger", "Earth sciences", "info:eu-repo/classification/ddc/550", "550", "ddc:550", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.07.025"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.07.025", "name": "item", "description": "10.1016/j.soilbio.2009.07.025", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.07.025"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-10-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2008.10.003", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2008-11-01", "title": "Labile, Recalcitrant, And Microbial Carbon And Nitrogen Pools Of A Tallgrass Prairie Soil In The Us Great Plains Subjected To Experimental Warming And Clipping", "description": "Abstract   Carbon (C) and nitrogen (N) fluxes are largely controlled by the small but highly bio-reactive, labile pools of these elements in terrestrial soils, while long-term C and N storage is determined by the long-lived recalcitrant fractions. Changes in the size of these pools and redistribution among them in response to global warming may considerably affect the long-term terrestrial C and N storage. However, such changes have not been carefully examined in field warming experiments. This study used sulfuric acid hydrolysis to quantify changes in labile and recalcitrant C and N fractions of soil in a tallgrass prairie ecosystem that had been continuously warmed with or without clipping for about 2.5 years. Warming significantly increased labile C and N fractions in the unclipped plots, resulting in increments of 373\u00a0mg\u00a0C\u00a0kg \u22121  dry soil and 15\u00a0mg\u00a0N\u00a0kg \u22121  dry soil, over this period whilst clipping significantly decreased such concentrations in the warmed plots. Warming also significantly increased soil microbial biomass C and N in the unclipped plots, and increased ratios of soil microbial/labile C and N, indicating an increase in microbial C- and N-use efficiency. Recalcitrant and total C and N contents were not significantly affected by warming. For all measured pools, only labile and microbial biomass C fractions showed significant interactions between warming and clipping, indicating the dependence of the warming effects on clipping. Our results suggest that increased soil labile and microbial C and N fractions likely resulted indirectly from warming increases in plant biomass input, which may be larger than warming-enhanced decomposition of labile organic compounds.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.10.003"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.10.003", "name": "item", "description": "10.1016/j.soilbio.2008.10.003", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.10.003"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-01-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2008.10.019", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2008-11-09", "title": "Are Laboratory Derived Toxicity Results Informative For Field Situations? Case Study On Earthworm Populations Contaminated With Heavy Metals", "description": "The relevance of laboratory tests on toxicants for field situations is often disputed given that laboratory tests are conducted under, next to the toxicant stress, optimal conditions which are not expected in field situations. In this paper we confront the results of laboratory tests on growth, reproduction and survival of earthworms, in a polluted and a reference field soil with a field inventory of earthworms. The field inventory includes population density, biomass and demographic composition in life stages measured monthly over a period of one year. The field inventory showed that density and biomass was higher at the polluted field site, a result in conflict with the extrapolation of the laboratory tests that showed a decrease in population growth rate by 23% at this site compared to the reference. The field inventory and laboratory derived results agreed in the demographic composition of the population with more individuals in the younger age class at the polluted site compared to the reference. Abiotic and biotic conditions that differ between sites and could possibly explain the lower earthworm biomass and density at the reference site are discussed. We suggest that predation by the two to five times higher densities of meadow birds in spring may have caused the lower density and biomass of earthworms at the reference site.", "keywords": ["consequences", "eisenia-foetida oligochaeta", "growth", "temperature", "netherlands", "04 agricultural and veterinary sciences", "01 natural sciences", "soil", "lumbricus-rubellus", "reproduction", "godwit limosa-limosa", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "river floodplains", "0105 earth and related environmental sciences"], "contacts": [{"organization": "Klok, T.C., Thissen, J.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.10.019"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.10.019", "name": "item", "description": "10.1016/j.soilbio.2008.10.019", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.10.019"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-02-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.04.015", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2009-05-06", "title": "Decomposition And Mineralization Of Energy Crop Residues Governed By Earthworms", "description": "Abstract   Energy crops are increasingly cultivated in agricultural management systems world-wide. A substitution of food crops (e.g. cereals) by energy crops may generally alter the biological activity and litter decomposition in soil due to their varying structural and chemical composition and subsequently modify soil functioning. A soil microcosm experiment was performed to assess the decomposition and microbial mineralization of different energy crop residues in soil compared to a food crop, with or without earthworms. Residues of the energy crops winter rape (Brassica napus), maize (Zea mays), miscanthus (Miscanthus\u00a0giganteus) and the food crop oat (Avena sativa) were each provided as food source for a mixed earthworm population, each consisting of one individual of Lumbricus terrestris, Aporrectodea caliginosa, and Octolasion tyrtaeum. After 6 weeks, the rate of litter loss from the soil surface, earthworm biomass, microbial biomass-C and -N, microbial activity, and enzyme activities were determined. The results emphasized, that litter loss and microbial parameters were predominantly promoted by earthworms and were additionally influenced by the varying structural and chemical composition of the different litter. Litter decay by earthworms was highest in N-rich maize litter treatment (C\u2013N ratio 34.8) and lowest in the case of miscanthus litter (C\u2013N ratio 134.4). As a consequence, the microbial biomass and basal respiration in soils with maize litter were higher, relative to other litter types. MBC\u2013MBN ratio in soil increased when earthworms were present, indicating N competition between earthworms and microorganisms. Furthermore, enzyme activities responded in different ways on the varying types of litter and earthworm activity. Enzymes involved in the N-cycle decreased and those involved in the C-cycle tended to increase in the presence of earthworms, when litter with high C\u2013N ratio was provided as a food source. Especially in the miscanthus treatments, less N might remain for enzymatic degradation, indicating that N competition between earthworms and microorganisms may vary between different litter types. Especially, an expansion of miscanthus in agricultural management systems might result in a reduced microbial activity and a higher N deficit for microorganisms in soil.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "7. Clean energy", "6. Clean water", "0105 earth and related environmental sciences"], "contacts": [{"organization": "Daniel Felten, Isabell Henseler, Christoph Emmerling, Gregor Ernst,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.04.015"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.04.015", "name": "item", "description": "10.1016/j.soilbio.2009.04.015", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.04.015"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-07-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.06.015", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2009-07-15", "title": "Soil Co2 Efflux And Extractable Organic Carbon Fractions Under Simulated Precipitation Events In A Mediterranean Dehesa", "description": "Abstract   The magnitude of CO2 efflux pulses after rewetting a dry soil is highly variable and the factors regulating these pulses are poorly understood. In this field experiment, we aimed to study the C dynamics after simulated summer rainstorms in a Mediterranean open holm oak woodland (dehesa). We hypothesized that because the herbaceous cover is mostly dead during the summer in this ecosystem, the short-term CO2 efflux (SR) after rewetting could mainly be explained by different measurable soil C fractions: i) K2SO4-extracted soil C (EOC); ii) microbial biomass C (MBC); or iii) chloroform-fumigated extracted C (CFE). On both grazed and abandoned dehesa sites, we simulated three summer rain events at two-week intervals and we measured SR discontinuously in three plots under tree canopy and in another three plots in open grassland. In each plot, C fractions and water content were estimated before (2\u00a0h) and after (36\u00a0h) each irrigation event. Following rewettings, SR increased up to ten times compared with non-irrigated plots. The CFE actually increased after rewetting in the first two irrigations but not in the third event, suggesting that the capacity of the soil to release labile organic C from soil aggregates or litter was reduced after each irrigation event. Overall, the C released as CO2 in the first 24\u00a0h was related to the CFE existing before rewetting, which may help to explain the spatial variability in SR. However, the explained variability decreased after each irrigation, suggesting a change to a less labile composition of the CFE fraction as a consequence of multiple drying-rewetting cycles.", "keywords": ["0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.06.015"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.06.015", "name": "item", "description": "10.1016/j.soilbio.2009.06.015", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.06.015"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-09-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.02.023", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2009-03-11", "title": "Litter Contribution To Diurnal And Annual Soil Respiration In A Tropical Montane Cloud Forest", "description": "Respiration of CO2 from soils (Rs) is a major component of the carbon cycle of ecosystems, but understanding is still poor of both the relative contributions of different respiratory sources to Rs, and the environmental factors that drive diurnal variations in Rs. We measured total and litter-free Rs at half-hourly intervals over full 24 h periods, and thereafter twice a month for 10 months in a tropical montane cloud forest (TMCF) in Peru. Total Rs declined by about 61% during the night as a result of variations in respiration rate in the litter, which were partly correlated with the soil surface air temperature. Most of the diurnal variation of Rs in this TMCF appears to be driven by respiration in the litter layer, which contributed 37% to the total soil CO2 efflux. Total Rs rates at this particular site would have been overestimated by 60% if derived from daytime measurements that had not been corrected for diurnal variations in Rs.", "keywords": ["Diurnal soil respiration variation", "Diurnal variations", "Tropics", "04 agricultural and veterinary sciences", "Environment", "15. Life on land", "Keywords: Carbon cycles", "Relative contributions", "Litter respiration", "Respiration rates", "Soil surfaces", "13. Climate action", "Environmental factors", "0401 agriculture", " forestry", " and fisheries", "Tropical montane cloud forest", "S Diurnal soil respiration variation", "Litter layers", "Soil CO", "Sodium compounds"]}, "links": [{"href": "https://openresearch-repository.anu.edu.au/bitstream/1885/79958/5/f5625xPUB8309.pdf.jpg"}, {"href": "https://openresearch-repository.anu.edu.au/bitstream/1885/79958/7/01_ZIMMERMANN_Litter_contribution_to_diurnal_2009.pdf.jpg"}, {"href": "https://doi.org/10.1016/j.soilbio.2009.02.023"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.02.023", "name": "item", "description": "10.1016/j.soilbio.2009.02.023", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.02.023"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-06-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.07.001", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2009-07-16", "title": "N2o And No Fluxes Between A Norway Spruce Forest Soil And Atmosphere As Affected By Prolonged Summer Drought", "description": "Global change scenarios predict an increasing frequency and duration of summer drought periods in Central Europe especially for higher elevation areas. Our current knowledge about the effects of soil drought on nitrogen trace gas fluxes from temperate forest soils is scarce. In this study, the effects of experimentally induced drought on soil N 2 O and NO emissions were investigated in a mature Norway spruce forest in the Fichtelgebirge (northeastern Bavaria, Germany) in two consecutive years. Drought was induced by roof constructions over a period of 46 days. The experiment was run in three replicates and three non-manipulated plots served as controls. Additionally to the N 2 O and NO flux measurements in weekly to monthly intervals, soil gas samples from six different soil depths were analysed in time series for N 2 O concentration as well as isotope abundances to investigate N 2 O dynamics within the soil. N 2 O fluxes from soil to the atmosphere at the experimental plots decreased gradually during the drought period from 0.2 to -0.0 \u03bcmol m -2  h -1 , respectively, and mean cumulative N 2 O emissions from the manipulated plots were reduced by 43% during experimental drought compared to the controls in 2007. N 2 O concentration as well as isotope abundance analysis along the soil profiles revealed that a major part of the soil acted as a net sink for N 2 O, even during drought. This N 2 O sink, together with diminished N 2 O production in the organic layers, resulted in successively decreased N 2 O fluxes during drought, and may even turn this forest soil into a net sink of atmospheric N 2 O as observed in the first year of the experiment. Enhanced N 2 O fluxes observed after rewetting up to 0.1 \u03bcmol m -2  h -1  were not able to compensate for the preceding drought effect. During the experiment in 2006, with soil matric potentials in 20 cm depth down to -630 hPa, cumulative NO emissions from the throughfall exclusion plots were reduced by 69% compared to the controls, whereas cumulative NO emissions from the experimental plots in 2007, with minimum soil matric potentials of -210 hPa, were 180% of those of the controls. Following wetting, the soil of the throughfall exclusion plots showed significantly larger NO fluxes compared to the controls (up to 9 \u03bcmol m -2  h -1  versus 2 \u03bcmol m -2  h -1 ). These fluxes were responsible for 44% of the total emission of NO throughout the whole course of the experiment. NO emissions from this forest soil usually exceeded N 2 O emissions by one order of magnitude or more except during wintertime.", "keywords": ["13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.07.001"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.07.001", "name": "item", "description": "10.1016/j.soilbio.2009.07.001", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.07.001"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-09-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.10.004", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:41Z", "type": "Journal Article", "created": "2009-10-10", "title": "The Response Of Organic Matter Mineralisation To Nutrient And Substrate Additions In Sub-Arctic Soils", "description": "Abstract   Global warming in the Arctic may alter decomposition rates in Arctic soils and therefore nutrient availability. In addition, changes in the length of the growing season may increase plant productivity and the\u00a0rate of labile C input below ground. We carried out an experiment in which inorganic nutrients (NH 4 NO 3  and NaPO 4 ) and organic substrates (glucose and glycine) were added to soils sampled from across the mountain birch forest-tundra heath ecotone in northern Sweden (organic and mineral soils from the forest, and organic soil only from the heath). Carbon dioxide production was then monitored continuously over the following 19 days. Neither inorganic N nor P additions substantially affected soil respiration rates when added separately. However, combined N and P additions stimulated microbial activity, with the response being greatest in the birch forest mineral soil (57% increase in CO 2  production compared with 26% in the heath soil and 8% in the birch forest organic soil). Therefore, mineralisation rates in these soils may\u00a0be stimulated if the overall nutrient availability to microbes increases in response to global change, but N deposition alone is unlikely to enhance decomposition. Adding either, or both, glucose and glycine increased microbial respiration. Isotopic separation indicated that the mineralisation of native soil organic matter (SOM) was stimulated by glucose addition in the heath soil and the forest mineral soil, but not in the forest organic soil. These positive \u2018priming\u2019 effects were lost following N addition in forest mineral soil, and following both N and P additions in the heath soil. In order to meet enhanced microbial nutrient demand, increased inputs of labile C from plants could stimulate the mineralisation of SOM, with the soil C stocks in the tundra-heath potentially most vulnerable.", "keywords": ["570", "550", "Nitrogen", "Atmospheric carbon dioxide Environmental aspects", "Glycine", "Phosphorus", "Soil respiration", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "Climatic changes Environmental aspects", "630", "Arctic", "Glucose", "Priming", "13. Climate action", "Climate change", "0401 agriculture", " forestry", " and fisheries", "Global environmental change", "Climatic changes Arctic regions", "Mountain birch", "Tundra-heath", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.10.004"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.10.004", "name": "item", "description": "10.1016/j.soilbio.2009.10.004", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.10.004"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-01-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.11.013", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:41Z", "type": "Journal Article", "created": "2009-11-21", "title": "Partitioning Soil Respiration And Assessing The Carbon Balance In A Setaria Italica (L.) Beauv. Cropland On The Loess Plateau, Northern China", "description": "Abstract   A study was conducted in a Setaria italica (L.) Beauv. cropland on the Loess Plateau in order to partition total soil respiration (Rt) into microbial respiration (Rm) and root respiration (Rr) and to determine the carbon balance of the cropland ecosystem. A trenching method with micro-pore mesh was used to create root-free soil cores. Differences between mesh and non-mesh treatments were used to determine root respiration. Similar pattern was found in the diurnal variation of Rt and Rm with the minimum values at 3:00\u20136:00\u00a0h and the maximum at 13:00\u201315:00\u00a0h. The diurnal pattern of Rr was completely different, the minimum values appeared at 11:00\u201313:00\u00a0h and the maximum at 0:00\u20133:00\u00a0h. Soil temperature exerted predominant control over the diurnal variations of Rt and Rm. The daily mean values of Rt, Rm and Rr were close to the measurements taken at 9:00\u00a0h. On the seasonal scale, Rm was strongly dependent on soil temperature, with higher correlation with 2-cm-depth temperature (r2\u00a0=\u00a00.79, P\u00a0  Total annual loss of C due to Rm in 2007 was estimated to be 121.3\u00a0g\u00a0C\u00a0m\u22122 at the study site, while the annual NPP (net primary production) was 262.1\u00a0g\u00a0C\u00a0m\u22122. The cropland system thus showed net carbon input of 140.8\u00a0g\u00a0C\u00a0m\u22122.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.11.013"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.11.013", "name": "item", "description": "10.1016/j.soilbio.2009.11.013", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.11.013"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-02-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.09.006", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:40Z", "type": "Journal Article", "created": "2009-09-21", "title": "Effects Of Grazing And Experimental Warming On Doc Concentrations In The Soil Solution On The Qinghai-Tibet Plateau", "description": "Little information is available about the effects of global warming and land management on dissolved organic carbon (DOC) concentration in soil solution in the field. Here, for the first time, we used a free-air temperature enhancement (FATE) system in a controlled warming-grazing experiment in 2006 and 2007 to test the hypothesis that grazing modifies the response of soil solution DOC concentration to experimental warming. Warming with no-grazing (WNG) significantly increased the average soil solution DOC concentration to 40 cm soil depth by 14.1 and 17.2% compared with no-warming with no-grazing (NWNG) in 2006 and 2007 respectively based on 1.3-1.4 degrees C soil temperature increase. However, the lack of significant differences among warming with grazing (WG), no-warming with grazing (NWG) and NWNG indicate that moderate grazing modified the effect of warming on DOC concentration in the soil solution. The effect of grazing on DOC concentration in the soil solution varied with sampling date and soil depth. Generally, the direct contribution of soil temperature and soil moisture to variation of DOC concentration in the soil solution was small. Positive correlations were observed between soil solution DOC concentration in the surface soil and standing death quality and belowground biomass. The Lignin:N ratio in the standing death and belowground biomass at 10 cm soil depth explained 60% of the variation of mean DOC concentration at 10 cm soil depth. Soil moisture and belowground biomass explained 79% of the variation of the mean soil solution DOC concentration to 40 cm soil depth in 2007. (C) 2009 Elsevier Ltd. All rights reserved.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.09.006"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.09.006", "name": "item", "description": "10.1016/j.soilbio.2009.09.006", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.09.006"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-12-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.11.002", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:41Z", "type": "Journal Article", "created": "2009-11-14", "title": "Decomposition Of N-15-Labelled Maize Leaves In Soil Affected By Endogeic Geophagous Aporrectodea Caliginosa", "description": "Abstract   A microcosm experiment was carried out for 56 days at 12\u00a0\u00b0C to evaluate the feeding effects of the endogeic geophagous earthworm species  Aporrectodea caliginosa  on the microbial use of  15 N-labelled maize leaves ( Zea mays ) added as 5\u00a0mm particles equivalent to 1\u00a0mg\u00a0C and 57\u00a0\u03bcg\u00a0N\u00a0g \u22121  soil. The dry weight of  A. caliginosa  biomass decreased in the no-maize treatment by 10% during the incubation and increased in the maize leaf treatments by 18%. Roughly 5% and 10% of the added maize leaf-C and leaf-N, respectively, were incorporated into the biomass of  A. caliginosa . About 29% and 33% of the added maize leaf-C were mineralised to CO 2  in the no-earthworm and earthworm treatments, respectively. The presence of  A. caliginosa  significantly increased soil-derived CO 2  production by 90\u00a0\u03bcg\u00a0g \u22121  soil in the no-maize and maize leaf treatments, but increased the maize-derived CO 2  production only by 40\u00a0\u03bcg\u00a0g \u22121  soil. About 10.5% of maize leaf-C and leaf-N was incorporated into the soil microbial biomass in the absence of earthworms, but only 6% of the maize leaf-C and 3% of the maize leaf-N in the presence of earthworms.  A.\u00a0caliginosa  preferentially fed on N rich, maize leaf-colonizing microorganisms to meet its N demand. This led to a significantly increased C/N ratio of the unconsumed microbial biomass in soil. The ergosterol-to-microbial biomass C ratio was not significantly decreased by the presence of earthworms.  A.\u00a0caliginosa  did not directly contribute to comminution of plant residues, as indicated by the absence of any effects on the contents of the different particulate organic matter fractions, but mainly to grazing of residue-colonizing microorganisms, increasing their turnover considerably.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.11.002"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.11.002", "name": "item", "description": "10.1016/j.soilbio.2009.11.002", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.11.002"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-02-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2009.12.015", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:41Z", "type": "Journal Article", "created": "2010-01-10", "title": "Interactions Between Residue Placement And Earthworm Ecological Strategy Affect Aggregate Turnover And N2o Dynamics In Agricultural Soil", "description": "Previous laboratory studies using epigeic and anecic earthworms have shown that earthworm activity can considerably increase nitrous oxide (N2O) emissions from crop residues in soils. However, the universality of this effect across earthworm functional groups and its underlying mechanisms remain unclear. The aims of this study were (i) to determine whether earthworms with an endogeic strategy also affect N2O emissions; (ii) to quantify possible interactions with epigeic earthworms; and (iii) to link these effects to earthworm-induced differences in selected soil properties. We initiated a 90-day 15N-tracer mesocosm study with the endogeic earthworm species Aporrectodea caliginosa (Savigny) and the epigeic species Lumbricus rubellus (Hoffmeister). 15N-labeled radish (Raphanus sativus cv. Adagio L.) residue was placed on top or incorporated into the loamy (Fluvaquent) soil. When residue was incorporated, only A. caliginosa significantly (p <0.01) increased cumulative N2O emissions from 1350 to 2223 \u00b5g N2O\u2013N kg-1 soil, with a corresponding increase in the turnover rate of macroaggregates. When residue was applied on top, L. rubellus significantly (p <0.001) increased emissions from 524 to 929 \u00b5g N2O\u2013N kg-1, and a significant (p <0.05) interaction between the two earthworm species increased emissions to 1397 \u00b5g N2O\u2013N kg-1. These effects coincided with an 84% increase in incorporation of residue 15N into the microaggregate fraction by A. caliginosa (p = 0.003) and an 85% increase in incorporation into the macroaggregate fraction by L. rubellus (p = 0.018). Cumulative CO2 fluxes were only significantly increased by earthworm activity (from 473.9 to 593.6 mg CO2\u2013C kg-1 soil; p = 0.037) in the presence of L. rubellus when residue was applied on top. We conclude that earthworm-induced N2O emissions reflect earthworm feeding strategies: epigeic earthworms can increase N2O emissions when residue is applied on top; endogeic earthworms when residue is incorporated into the soil by humans (tillage) or by other earthworm species. The effects of residue placement and earthworm addition are accompanied by changes in aggregate and SOM turnover, possibly controlling carbon, nitrogen and oxygen availability and therefore denitrification. Our results contribute to understanding the important but intricate relations between (functional) soil biodiversity and the soil greenhouse gas balance. Further research should focus on elucidating the links between the observed changes in soil aggregation and controls on denitrification, including the microbial community", "keywords": ["organic-matter dynamics", "2. Zero hunger", "crop residues", "denitrification", "ecosystem engineers", "casts", "no-tillage agroecosystems", "04 agricultural and veterinary sciences", "15. Life on land", "carbon-dioxide", "01 natural sciences", "630", "13. Climate action", "systems", "0401 agriculture", " forestry", " and fisheries", "nitrous-oxide fluxes", "management", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2009.12.015"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2009.12.015", "name": "item", "description": "10.1016/j.soilbio.2009.12.015", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2009.12.015"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-04-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2010.03.026", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:41Z", "type": "Journal Article", "created": "2010-04-14", "title": "Nitrogen Alters Carbon Dynamics During Early Succession In Boreal Forest", "description": "Boreal forests are an important source of wood products, and fertilizers could be used to improve forest yields, especially in nutrient poor regions of the boreal zone. With climate change, fire frequencies may increase, resulting in a larger fraction of the boreal landscape present in early-successional stages. Since most fertilization studies have focused on mature boreal forests, the response of burned boreal ecosystems to increased nutrient availability is unclear. Therefore, we used a nitrogen (N) fertilization experiment to test how C cycling in a recently-burned boreal ecosystem would respond to increased N availability. We hypothesized that fertilization would increase rates of decomposition, soil respiration, and the activity of extracellular enzymes involved in C cycling, thereby reducing soil C stocks. In line with our hypothesis, litter mass loss increased significantly and activities of cellulose- and chitin-degrading enzymes increased by 45\u201361% with N addition. We also observed a significant decline in C concentrations in the organic soil horizon from 19.5 \u00b1 0.7% to 13.5 \u00b1 0.6%, and there was a trend toward lower total soil C stocks in the fertilized plots. Contrary to our hypothesis, mean soil respiration over three growing seasons declined by 31% from 78.3 \u00b1 6.5 mg CO2\u2013C m\u22122 h\u22121 to 54.4 \u00b1 4.1 mg CO2\u2013C m\u22122 h\u22121. These changes occurred despite a 2.5-fold increase in aboveground net primary productivity with N, and were accompanied by significant shifts in the structure of the fungal community, which was dominated by Ascomycota. Our results show that the C cycle in early-successional boreal ecosystems is highly responsive to N addition. Fertilization results in an initial loss of soil C followed by depletion of soil C substrates and development of a distinct and active fungal community. Total microbial biomass declines and respiration rates do not keep pace with plant inputs. These patterns suggest that N fertilization could transiently reduce but then increase ecosystem C storage in boreal regions experiencing more frequent fires.", "keywords": ["0106 biological sciences", "Decomposition", "Extracellular enzyme", "Agricultural and Veterinary Sciences", "Fungi", "Agronomy & Agriculture", "Soil respiration", "04 agricultural and veterinary sciences", "Biological Sciences", "15. Life on land", "Fire", "Soil carbon", "01 natural sciences", "Nitrogen fertilization", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "Boreal forest", "Succession", "Alaska", "Environmental Sciences"]}, "links": [{"href": "https://escholarship.org/content/qt4z375574/qt4z375574.pdf"}, {"href": "https://doi.org/10.1016/j.soilbio.2010.03.026"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2010.03.026", "name": "item", "description": "10.1016/j.soilbio.2010.03.026", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2010.03.026"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-07-01T00:00:00Z"}}, {"id": "10.1016/j.still.2008.08.012", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:56Z", "type": "Journal Article", "created": "2008-10-20", "title": "Impact Of Reduced Tillage On Carbon And Nitrogen Storage Of Two Haplic Luvisols After 40 Years", "description": "It is broadly accepted that reduced tillage increases soil organic carbon (Corg) and total nitrogen (N) concentrations in arable soils. However, the underlying processes of sequestration are not completely understood. Thus, our objectives were to investigate the impact of a minimum tillage (MT) system (to 5\u20138 cm depth) on aggregates, on particulate organic matter (POM), and on storage of Corg and N in two loamy Haplic Luvisols in contrast to conventional tillage (CT) (to 25 cm). Surface soils (0\u20135 cm) and subsoils (10\u201320 cm) of two experimental fields near Gottingen, Germany, were investigated. Each site (Garte-Sud and Hohes Feld) received both tillage treatments for 37 and 40 years, respectively. In the bulk soil of both sites Corg, N, microbial carbon (Cmic), and microbial N (Nmic) concentrations were elevated under MT in both depths. Likewise, water-stable macroaggregates (>0.25 mm) were on average 2.6 times more abundant under MT than under CT but differences in the subsoils were generally not significant. For surface soils under MT, all aggregate size classes <1 mm showed approx. 35% and 50% increased Corg concentrations at Garte-Sud and Hohes Feld, respectively. For greater macroaggregates (1\u20132, 2\u201310 mm), however, differences were inconsistent. Elevations of N concentrations were regular over all size classes reaching 61% and 52%, respectively. Density fractionation of the surface soils revealed that tillage system affected neither the yields of free POM nor occluded POM nor their Corg and N concentrations. Moreover, more Corg and N (15\u2013238%) was associated within the mineral fractions investigated under MT in contrast to CT. Overall, similar to no-tillage, a long-term MT treatment of soil enhanced the stability of macroaggregates and thus was able to physically protect and to store more organic matter (OM) in the surface soil. The increased storage of Corg and N did not occur as POM, as reported for no-tillage, but as mineral-associated OM.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.still.2008.08.012"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20and%20Tillage%20Research", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.still.2008.08.012", "name": "item", "description": "10.1016/j.still.2008.08.012", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.still.2008.08.012"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-01-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2010.02.011", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:41Z", "type": "Journal Article", "created": "2010-02-27", "title": "Effects Of Warming And Grazing On N2o Fluxes In An Alpine Meadow Ecosystem On The Tibetan Plateau", "description": "A great deal of uncertainty is associated with estimates of global nitrous oxide (N(2)O) emissions because emissions from arid and polar climates were not included in the estimates due to a lack of available data. In particular, very few studies have assessed the response of N(2)O flux to grazing under future warming conditions. This experiment was conducted to determine the effects of warming and grazing on N(2)O flux at different time scales for three years under a controlled warming-grazing system. A free-air temperature enhancement system (FATE) using infrared heaters and grazing significantly increased soil temperatures for both of growing (average 1.8 degrees C in 2008) and no-growing seasons (average 3.0 degrees C for 3-years) within 20-cm depth, but only warming reduced soil moisture at 10-cm soil depth during the growing season during the drought year of 2008. Generally, the effects of warming and grazing on N(2)O flux varied with sampling date, season, and year. No interactive effect between warming and grazing was found. Warming did not affect annual N(2)O flux when grazing was moderate during the growing season because the tradeoff of the effect of warming on N(2)O flux was observed between the growing season and no-growing season. No-warming with grazing (NWG) and warming with grazing (WG) significantly increased the average annual N(2)O flux (57.8 and 31.0%) compared with no-warming with no-grazing (NWNG) and warming with no-grazing (WNG), respectively, indicating that warming reduced the response of N(2)O flux to grazing in the region. Winter accounted for 36-57% of annual N(2)O flux for NWNG and NWG, whereas only for 5-8% of annual N(2)O flux for WNG and WG. Soil temperature could explain 5-35% of annual N(2)O flux variation. (C) 2010 Elsevier Ltd. All rights reserved.", "keywords": ["13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2010.02.011"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2010.02.011", "name": "item", "description": "10.1016/j.soilbio.2010.02.011", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2010.02.011"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-06-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2010.07.011", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:41Z", "type": "Journal Article", "created": "2010-07-28", "title": "Resistance Of Microbial And Soil Properties To Warming Treatment Seven Years After Boreal Fire", "description": "Boreal forests store a large fraction of global terrestrial carbon and are susceptible to environmental change, particularly rising temperatures and increased fire frequency. These changes have the potential to drive positive feedbacks between climate warming and the boreal carbon cycle. Because few studies have examined the warming response of boreal ecosystems recovering from fire, we established a greenhouse warming experiment near Delta Junction, Alaska, seven years after a 1999 wildfire. We hypothesized that experimental warming would increase soil CO2 efflux, stimulate nutrient mineralization, and alter the composition and function of soil fungal communities. Although our treatment resulted in 1.20 \u00b0C soil warming, we found little support for our hypothesis. Only the activities of cellulose- and chitin-degrading enzymes increased significantly by 15% and 35%, respectively, and there were no changes in soil fungal communities. Warming resulted in drier soils, but the corresponding change in soil water potential was probably not sufficient to limit microbial activity. Rather, the warming response of this soil may be constrained by depletion of labile carbon substrates resulting from combustion and elevated soil temperatures in the years after the 1999 fire. We conclude that positive feedbacks between warming and the microbial release of soil carbon are weak in boreal ecosystems lacking permafrost. Since permafrost-free soils underlie 45\u201360% of the boreal zone, our results should be useful for modeling the warming response during recovery from fire in a large fraction of the boreal forest.", "keywords": ["0301 basic medicine", "Decomposition", "0303 health sciences", "Extracellular enzyme", "Agricultural and Veterinary Sciences", "Fungi", "Agronomy & Agriculture", "Soil respiration", "Biological Sciences", "15. Life on land", "Fire", "Soil carbon", "Climate Action", "03 medical and health sciences", "13. Climate action", "Boreal forest", "Warming", "Succession", "Alaska", "Environmental Sciences"]}, "links": [{"href": "https://escholarship.org/content/qt2zk6k6ms/qt2zk6k6ms.pdf"}, {"href": "https://doi.org/10.1016/j.soilbio.2010.07.011"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2010.07.011", "name": "item", "description": "10.1016/j.soilbio.2010.07.011", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2010.07.011"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-10-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2010.09.017", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2010-09-29", "title": "Fungi Mediate Long Term Sequestration Of Carbon And Nitrogen In Soil Through Their Priming Effect", "description": "It is increasingly recognized that soil microbes have the ability to decompose old recalcitrant soil organic matter (SOM) by using fresh carbon as a source of energy, a phenomena called priming effect (PE). However, efforts to determine the consequences of this PE for soil carbon and nitrogen dynamics are in their early stage. Moreover, little is known about the microbial populations involved. Here we explore the consequences of PE for SOM dynamics and mineral nitrogen availability in a soil incubation experiment (161 days), combining the supply of dual-labeled (13C and 14C) cellulose and mineral nutrients. The microbial groups involved in PE were investigated using molecular fingerprinting techniques (FAMEs and B- and F-ARISA). We show that mean residence time of SOM pool controlled by the PE decreased from 3130 years in the subsoil, where the availability of fresh carbon is very low, to 17\u201339 years in the surface layer. This result suggests that the decomposition of this recalcitrant soil C pool is strictly dependent on the presence of fresh C and is not an energetically viable mean of accessing C for soil microbes. We also suggest that fungi are the predominant actors of cellulose decomposition and induced PE and they adjust their degradation activity to nutrient availability. The predominant role of fungi can be explained by their ability to grow as mycelium which allows them to explore soil space and mine large reserve of SOM. Finally, our results support the existence of a bank mechanism that regulates nutrient and carbon sequestration in soil: PE is low when nutrient availability is high, allowing sequestration of nutrients and carbon; in contrast, microbes release nutrients from SOM when nutrient availability is low. This bank mechanism may help to synchronize the availability of soluble nutrients to plant requirement and contribute to long-term SOM accumulation in ecosystems.", "keywords": ["2. Zero hunger", "570", "550", "FUNGI", "04 agricultural and veterinary sciences", "[SDV.SA.SDS]Life Sciences [q-bio]/Agricultural sciences/Soil study", "15. Life on land", "CELLULOTYC MICROBES", "STOICHIOMETRY", "01 natural sciences", "NITROGEN CYCLING", "CARBON SEQUESTRATION", "PRIMING EFFECT", "13. Climate action", "MICROBIAL ECOLOGY", "SOIL FERTILITY", "0401 agriculture", " forestry", " and fisheries", "EFFET D'AMOR\u00c7AGE", "[SDV.SA.SDS] Life Sciences [q-bio]/Agricultural sciences/Soil study", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2010.09.017"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2010.09.017", "name": "item", "description": "10.1016/j.soilbio.2010.09.017", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2010.09.017"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-01-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2010.12.011", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-01-12", "title": "Three-Source-Partitioning Of Microbial Biomass And Of Co2 Efflux From Soil To Evaluate Mechanisms Of Priming Effects", "description": "Abstract   We propose and successfully applied a new approach for 3-source-partitioning based on a combination of  14 C labeling with  13 C natural abundance. By adding  14 C-labeled glucose to soil after C 3  \u2013 C 4  vegetation change, we partitioned three C sources in three compartments, namely CO 2 , microbial biomass and dissolved organic C (DOC). This enabled us to estimate mechanisms and sources of priming effects (PE).  Glucose application at low and high rate (GL: 100 and GH: 1000\u00a0\u03bcg\u00a0C\u00a0g \u22121 , respectively) caused positive PE both short-term (during 1\u20133 days) and long-term (3\u201355 days). Despite a 10-fold difference in the amount of substrate added, the PE observed was larger by a factor of only 1.6 at the high versus low rate of glucose. The real and apparent priming effects were distinguished by partitioning of microbial C for glucose-C and SOM-derived C. As the amount of primed CO 2  respired during short-term PE was 40% lower than microbial C, and the contribution of soil C in microbial biomass did not increase, we concluded that such short-term PE was apparent and was mainly caused by accelerated microbial turnover (at GL) and by pool substitution (at GH). Both the amount of primed CO 2 \u2013C, which was 1.3\u20132.1 times larger than microbial C, and the increased contribution of soil C in microbial biomass allowed us to consider the long-term PE as being real. The sole source of real PE (GL treatment) was the \u201crecent\u201d soil organic matter, which is younger than 12-year-old C. The real PE-induced by a glucose amount exceeding microbial biomass (GH) was due to the almost equal contribution of \u2018recent\u2019 ( 12 years) C. Thus, the decomposition of old recalcitrant SOM was induced only by an amount of primer exceeding microbial C. We conclude that combining  14 C labeling with  13 C natural abundance helped disentangle three C sources in CO 2 , microbial biomass and DOC and evaluate mechanisms and sources of PE.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2010.12.011"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2010.12.011", "name": "item", "description": "10.1016/j.soilbio.2010.12.011", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2010.12.011"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-04-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.02.005", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-02-19", "title": "Positive And Negative Carbon Mineralization Priming Effects Among A Variety Of Biochar-Amended Soils", "description": "Abstract   Pyrogenic carbon (biochar) amendment is increasingly discussed as a method to increase soil fertility while sequestering atmospheric carbon (C). However, both increased and decreased C mineralization has been observed following biochar additions to soils. In an effort to better understand the interaction of pyrogenic C and soil organic matter (OM), a range of Florida soils were incubated with a range of laboratory-produced biochars and CO 2  evolution was measured over more than one year. More C was released from biochar-amended than from non-amended soils and cumulative mineralized C generally increased with decreasing biomass combustion temperature and from hardwood to grass biochars, similar to the pattern of biochar lability previously determined from separate incubations of biochar alone.  The interactive effects of biochar addition to soil on CO 2  evolution (priming) were evaluated by comparing the additive CO 2  release expected from separate incubations of soil and biochar with that actually measured from corresponding biochar and soil mixtures. Priming direction (positive or negative for C mineralization stimulation or suppression, respectively) and magnitude varied with soil and biochar type, ranging from \u221252 to 89% at the end of 1 year. In general, C mineralization was greater than expected (positive priming) for soils combined with biochars produced at low temperatures (250 and 400\u00a0\u00b0C) and from grasses, particularly during the early incubation stage (first 90\u00a0d) and in soils of lower organic C content. It contrast, C mineralization was generally less than expected (negative priming) for soils combined with biochars produced at high temperatures (525 and 650\u00a0\u00b0C) and from hard woods, particularly during the later incubation stage (250\u2013500\u00a0d). Measurements of the stable isotopic signature of respired CO 2  indicated that, for grass biochars at least, it was predominantly pyrogenic C mineralization that was stimulated during early incubation and soil C mineralization that was suppressed during later incubation stages. It is hypothesized that the presence of soil OM stimulated the co-mineralization of the more labile components of biochar over the short term. The data strongly suggests, however, that over the long term, biochar\u2013soil interaction will enhance soil C storage via the processes of OM sorption to biochar and physical protection.", "keywords": ["2. Zero hunger", "Biochar", "Pyrogenic carbon", "Priming", "Soil carbon mineralization", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "Organic carbon", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.02.005"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.02.005", "name": "item", "description": "10.1016/j.soilbio.2011.02.005", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.02.005"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-06-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.01.009", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-02-01", "title": "Plant Production, And Carbon And Nitrogen Source Pools, Are Strongly Intensified By Experimental Warming In Alpine Ecosystems In The Qinghai-Tibet Plateau", "description": "The aim of this study was to assess initial effects of warming on the nutrient pools of carbon and nitrogen of two most widespread ecosystem types, swamp meadow and alpine meadow, in the Qinghai-Tibet Plateau, China. The temperature of the air and upper-soil layer was passively increased using open-top chambers (OTCs) with two different temperature elevations. We analyzed air and soil temperature, soil moisture. biomass, microbial biomass, and nutrient dynamics after 2 years of warming. The use of OTCs clearly raised temperature and decreased soil moisture. The aboveground plant and root biomass increased in all OTCs in two meadows. A small temperature increase in OTCs resulted in swamp meadow acting as a net carbon sink and alpine meadow as a net source, and further warming intensified this processes, at least in a short term. On balance, the alpine ecosystems in the Fenghuoshan region acted as a carbon source. (C) 2011 Elsevier Ltd. All rights reserved.", "keywords": ["0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.01.009"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.01.009", "name": "item", "description": "10.1016/j.soilbio.2011.01.009", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.01.009"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-05-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.03.002", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-03-17", "title": "Response Of Soil Constituents To Freeze-Thaw Cycles In Wetland Soil Solution", "description": "Freezing and thawing of soils is a common phenomenon in the winter-cold zone, which can subsequently affect carbon, nitrogen and phosphorus cycling in soils and the leaching of nutrients through influencing biochemical and physicochemical processes. The soil solution nutrient pool in the freeze\u2013thaw period may control the quantity of nutrients available to plants in the following spring (Buckeridge and Grogan 2008).", "keywords": ["13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.03.002"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.03.002", "name": "item", "description": "10.1016/j.soilbio.2011.03.002", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.03.002"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-06-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.07.019", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-08-06", "title": "Localisation Of Nitrate In The Rhizosphere Of Biochar-Amended Soils", "description": "Abstract   A wheat seedling rhizobox approach was used to differentiate between the rhizosphere and non-rhizosphere (bulk) soil amended with low and high rates of biochar (20 and 60\u00a0t\u00a0ha \u22121  vs. control). Nitrate (NO 3  \u2212 ) was added as the main nitrogen (N) source because emerging biochar research points to reduced NO 3  \u2212  loss through leaching and gaseous loss as nitrous oxide. The rhizosphere under the different treatments were distinct ( P \u00a0=\u00a00.021), with greater soil-NO 3  \u2212  and biochar-NO 3  \u2212  contents in the high biochar treatment. Biochar addition increased wheat root length ratio ( P \u00a0=\u00a00.053) and lowered root N uptake ( P \u00a0=\u00a00.017), yet plant biomass and N content were similar between treatments. The results indicate localisation of NO 3  \u2212  within the rhizosphere of biochar-amended soils which has implications for NO 3  \u2212  loss and improved nitrogen use efficiency.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.07.019"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.07.019", "name": "item", "description": "10.1016/j.soilbio.2011.07.019", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.07.019"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-11-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.05.012", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-06-18", "title": "Non-Linear Response Of Microbial Activity Across A Gradient Of Nitrogen Addition To A Soil From The Gurbantunggut Desert, Northwestern China", "description": "Abstract   Identifying the patterns of soil microbial responses to increasing nitrogen (N) availability are important since microbial processes are related to the potential nutrient transformations. The effects of the addition of N to the soil microbial community of the Gurbantunggut Desert, China, are described in this paper. The study was conducted over a two-year period with trials commencing at the beginning of each growing season. Soil enzyme activity, microbial biomass and microbial community level physiological profile (CLPP) were determined at 0\u20135\u00a0cm and 5\u201310\u00a0cm soil depths. Nitrogen was added to the soil at five rates plus a control, i.e. 0, 0.5, 1, 3, 6 and 24\u00a0g\u00a0N\u00a0m\u22122\u00a0y\u22121. We hypothesized that soil enzyme activities and microbial biomass N (MBN) would firstly increase and then decrease, and CLPP would be altered with increasing N addition, due to the deleterious effects of higher N addition upon microbial activity. Because of the relatively higher organic matter in the upper depth of soil layers, we further hypothesized that the responses of microbial activities in the 0\u20135\u00a0cm depth would be more marked than at 5\u201310\u00a0cm. In partial support of our hypothesis, soil enzyme activities, microbial biomass and nutrient concentrations responded to N addition with the most significant changes occurring in the 0\u20135\u00a0cm soil depth. Addition of N resulted in an increase in MBN and a decrease in urease activity. Invertase and alkaline phosphatase (AlP) activities increased at low doses of N addition and showed a decrease at higher doses. There was no evidence of change in oxidative enzyme activity at low N treatments but activity decreased at high N additions. However, the CLPP was not affected by N addition. The results of this study suggest that N supplementation in this desert soil may affect C transformation, increase availability of N and P, and immobilize N in the microbial biomass. Responses of the enzyme activity to N supplementation occurred within the context of an apparently stable or unresponsive microbial community structure.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.05.012"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.05.012", "name": "item", "description": "10.1016/j.soilbio.2011.05.012", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.05.012"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-04-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2012.01.013", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:43Z", "type": "Journal Article", "created": "2012-02-02", "title": "Organic Nitrogen Mineralisation In Two Contrasting Agro-Ecosystems Is Unchanged By Biochar Addition", "description": "Abstract   Biochar additions to soil have been reported to enhance soil fertility whilst simultaneously storing carbon (C). We tested whether either fresh or field-conditioned (aged) biochar amendment to two contrasting agricultural soils would alter the mineralisation of organic N compounds. The mineralisation of 14C-labelled amino acids and peptides were determined over 20 days within each soil. An exponential kinetic decay model was subsequently fitted to the mineralisation data. Overall, statistical analysis revealed significant but small differences between the two biochar treatments and the unamended control treatment. We conclude that biochar has very limited impact on the mineralisation rate of low molecular weight dissolved organic N compounds in these agro-ecosystems.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2012.01.013"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2012.01.013", "name": "item", "description": "10.1016/j.soilbio.2012.01.013", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2012.01.013"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-05-01T00:00:00Z"}}, {"id": "10.5061/dryad.8cz8w9gv6", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:23:11Z", "type": "Dataset", "title": "Climate mitigation potential and soil microbial response of cyanobacteria-fertilized bioenergy crops in a cool semi-arid cropland", "description": "unspecifiedBioenergy carbon capture and storage (BECCS) systems can serve as  decarbonization pathways for climate mitigation. Perennial grasses are a  promising second-generation lignocellulosic bioenergy feedstock, but  optimizing their sustainability, productivity, and climate mitigation  potential requires an evaluation of how nitrogen (N) fertilizer strategies  interact with greenhouse gas (GHG) and soil organic carbon (SOC) dynamics.  Further, crop and fertilizer choice can affect the soil microbiome which  is critical to soil organic matter turnover, nutrient cycling, and  sustaining crop productivity\u00a0but these feedbacks are poorly  understood due to the paucity of data from agroecosystems. Here, we  examine the climate mitigation potential and soil microbiome response to  establishing two functionally different perennial grasses, switchgrass  (Panicum virgatum, C4), and tall wheatgrass (Thinopyrum ponticum, C3), in  a cool semi-arid agroecosystem under two fertilizer applications, a novel  cyanobacterial biofertilizer (CBF) and urea. Finally, we examine shifts in  soil microbial composition resulting from crop establishment and  fertilizer regime. We find that in contrast to the C4 crop, the C3 crop  achieved 98% greater productivity and had a higher N use efficiency when  fertilized and the CBF produced the same biomass enhancement as urea.  Non-CO2 greenhouse gas fluxes across all treatments were low and we  observed a three-year net loss of SOC under the C4 crop and a net increase  under the C3 crop at a 0-30 cm soil depth regardless of fertilization.  Further, we detected crop-specific changes in the soil microbiome,  including an increased relative abundance of arbuscular mycorrhizal fungi  under the C3, and potentially pathogenic fungi in the C4 grass. Taken  together, these findings highlight the potential of CBF-fertilized C3  crops as a second-generation bioenergy feedstock in semiarid regions as a  part of a climate mitigation strategy.", "keywords": ["2. Zero hunger", "root chemistry", "13. Climate action", "soil nitrogen", "plant tissue chemistry", "FOS: Earth and related environmental sciences", "Greenhouse Gas Flux", "15. Life on land", "aboveground biomass", "7. Clean energy", "Soil carbon", "6. Clean water", "12. Responsible consumption"], "contacts": [{"organization": "Gay, Justin", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5061/dryad.8cz8w9gv6"}, {"rel": "self", "type": "application/geo+json", "title": "10.5061/dryad.8cz8w9gv6", "name": "item", "description": "10.5061/dryad.8cz8w9gv6", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5061/dryad.8cz8w9gv6"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2022-09-22T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.08.011", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-09-15", "title": "Phosphate Additions Have No Effect On Microbial Biomass And Activity In A Northern Hardwood Forest", "description": "Abstract   High rates of atmospheric nitrogen (N) deposition have raised questions about shifting patterns of nutrient limitation in northern hardwood forests. Of particular interest is the idea that increased supply of N may induce phosphorus (P) limitation of plant and microbial processes, especially in acid soils where P sorption by Al is high. In this study, we established field plots and plant-free laboratory mesocosms with P and Ca additions to test the hypotheses that 1) microbial biomass and activity are limited by P in the northern hardwood forest soils at the Hubbard Brook Experimental Forest in NH USA; 2) elevated Ca increases inherent P availability and therefore reduces any effects of added P and 3) P effects are more marked in the more carbon (C) rich Oie compared to the Oa horizon. Treatments included P addition (50\u00a0kg P ha\u22121), Ca addition (850\u00a0kg Ca ha\u22121) and Ca\u00a0+\u00a0P addition (850\u00a0kg Ca ha\u22121 and 50\u00a0kg P ha\u22121). The P treatments increased resin-available P levels and reduced phosphatase activity, but had no effect on microbial biomass C, microbial respiration, C metabolizing enzymes, potential net N mineralization and nitrification in the Oie or Oa horizon of either field plots or plant free mesocosms, in either the presence or absence of Ca. Total, prokaryote, and eukaryote PLFA were reduced by P addition, possibly due to reductions in mycorrhizal fungal biomass. These results suggest that increased N deposition and acidification have not created P limitation of microbial biomass and activity in these soils.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.08.011"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.08.011", "name": "item", "description": "10.1016/j.soilbio.2011.08.011", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.08.011"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-12-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.08.012", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:42Z", "type": "Journal Article", "created": "2011-09-22", "title": "Roles Of Biotic And Abiotic Variables In Determining Spatial Variation Of Soil Respiration In Secondary Oak And Planted Pine Forests", "description": "Abstract   Monoculture pine plantation (PP) was widely established after clear-cutting of natural forests last century in China. However, its effects on soil CO2 efflux (RS) temporally and spatially are still poorly understood. Biotic and abiotic factors that control spatio-temporal variation of RS were assessed in a naturally regenerated oak forest (OF) and a nearby PP in a warm temperate area of China. We hypothesized that spatial variation of RS in PP is lower than that in OF and is less influenced by biotic factors due to its homogeneous stand structure compared to the regenerated OF. RS measurement campaigns were conducted in two 40\u00a0m\u00a0\u00d7\u00a060\u00a0m plots in OF and PP from Oct. 2008 to Oct. 2009. Soil temperature at 5\u00a0cm depth (T5) exerted considerable influence on the temporal variation in RS. However, the spatial variation of RS was not affected by T5 in either PP or OF. The observed spatial pattern of RS remained comparatively consistent throughout the measurement campaigns for both forests. Soil chemical and physical parameters such as soil organic carbon (SOC), light fraction organic carbon (LFOC), total nitrogen (TN), bulk density (BD), total porosity (TP), water-filled pore space (WFPS), and water-holding capacity (WHC) had significant impact on the spatial variation of RS for both OF and PP. We found that biotic factors such as fine root biomass (FR) and stand structure parameters including basal area (BA), maximum diameter at breast height (max. DBH), and mean DBH within 4\u20135\u00a0m of the measurement points had significant influence on the spatial variation of RS in OF, while no similar significant correlation was found in PP. A stepwise multi-linear regression showed that water-holding capacity (WHC), max. DBH within 4\u00a0m of the measurement points (max. DBH4), and total porosity (TP) contributed 68.7% to the spatial variation of RS in OF, while light fraction organic carbon (LFOC) and bulk density (BD) accounted for 46.9% of the spatial variation of RS in PP. These differentiated the importance of biotic and abiotic factors in controlling the spatial variation of RS between the naturally regenerated OF and the artificially regenerated monoculture PP. Therefore, compared to OF, relatively lower coefficients of spatial variation for RS were observed in PP across the year, which was partly attributed to its simple stand structure of PP. Our findings are valuable for accurately estimating regional carbon fluxes by considering the spatio-temporal variation of RS in artificially and naturally regenerated forests.", "keywords": ["13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.08.012"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.08.012", "name": "item", "description": "10.1016/j.soilbio.2011.08.012", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.08.012"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-01-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.08.019", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:43Z", "type": "Journal Article", "created": "2011-09-20", "title": "Effects Of Ammonium And Nitrate Additions On Carbon Mineralization In Wetland Soils", "description": "Abstract   Wetlands have been recognized as a soil carbon (C) sink due to low decomposition. As decomposition is largely controlled by the availability of soil nitrogen (N), an elevated anthropogenic N input could influence the C balance in wetlands. However, the effects of the form of N on decomposition are poorly understood. Here, a 54-day laboratory incubation experiment was conducted, with a diel cycle (day: 22\u00a0\u00b0C for 13\u00a0h; night: 17\u00a0\u00b0C for 11\u00a0h) in order to determine how the dominant N form influences the mineralization of soil C in two adjacent wetland soils, with distinct physicochemical characteristics. Three combinations of N compounds were added at three different rates (0, 30, 60\u00a0kg\u00a0N\u00a0ha \u22121 \u00a0yr \u22121 ): Ammonium dominant (NH 4 Cl\u00a0+\u00a0NH 4 NO 3 ); nitrate dominant (NH 4 NO 3 \u00a0+\u00a0NaNO 3 ); and ammonium nitrate treatments (NH 4 NO 3 ). In the acidic soil, the CO 2  efflux was reduced with N additions, especially with NH 4 NO 3  treatment. In addition, decreases in the microbial enzyme activities ( \u03b2 -glucosidase, N-acetyl-glucosaminidase, phosphatase, and phenol oxidase) and soil pH were observed with NH 4 NO 3  and       NH   4  +     -dominant treatment. Under alkaline conditions, marginal changes in response to N additions were observed in the soil CO 2  efflux, extractable DOC, simple substrate utilization, enzyme activities and pH. A\u00a0regression analysis revealed that the changes in pH and enzyme activities after fertilization significantly influenced the soil CO 2  efflux. Our findings suggest that the form of N additions could influence the rate of C cycling in wetland soils via biological (enzyme activities) and chemical (pH) changes.", "keywords": ["0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.08.019"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.08.019", "name": "item", "description": "10.1016/j.soilbio.2011.08.019", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.08.019"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-12-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.11.011", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:43Z", "type": "Journal Article", "created": "2011-12-06", "title": "Phenoloxidase And Peroxidase Activities In Sphagnum-Dominated Peatland In A Warming Climate", "description": "Peatlands still suffer from the scarcity of available data about the characterization and the response to climate forcing of the main oxidative enzymes that occur over the seasons. In the present study, phenoloxidase and peroxidase activities were examined in Sphagnum lawns along a narrow fen-bog gradient under experimental elevated temperatures. We showed that peroxidase activities from Sphagnum mosses were 1000-fold higher than those of phenoloxidases irrespective of seasons and sampling areas. Peroxidase activities increased (+30%) with the rise of air temperatures (an average of 1 \u00b0C), while warming did not alter phenoloxidase activities. These results suggest that the monitoring of peroxidase activities in peatlands may represent a suitable and forward indicator of the impact of climate warming on carbon cycle in peatlands.", "keywords": ["580", "570", "[SDV.EE] Life Sciences [q-bio]/Ecology", " environment", "13. Climate action", "[SDV.EE]Life Sciences [q-bio]/Ecology", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "environment", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.11.011"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.11.011", "name": "item", "description": "10.1016/j.soilbio.2011.11.011", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.11.011"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-03-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2011.12.008", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:43Z", "type": "Journal Article", "created": "2011-12-24", "title": "Effects Of Experimental Drying Intensity And Duration On Respiration And Methane Production Recovery In Fen Peat Incubations", "description": "Abstract   Drying and rewetting to a variable extent influence the C gas exchange between peat soils and the atmosphere. We incubated a decomposed and compacted fen peat and investigated in two experiments 1) the vertical distribution of CO 2  and CH 4  production rates and their response to drying and 2) the effects of temperature, drying intensity and duration on CO 2  production rates and on CH 4  production recovery after rewetting. Surface peat down to 5\u00a0cm contributed up to 67% (CO 2 ) and above 80% (CH 4 ) of the depth-aggregated (50\u00a0cm) production. As CO 2  production sharply decreased with depth water table fluctuations in deeper peat layers are thus not expected to cause a substantial increase in soil respiration in this site. Compared to anaerobic water saturated conditions drying increased peat CO 2  production by a factor between 1.4 and 2.1. Regarding the effects of the studied factors, warmer conditions increased and prolonged drying duration decreased CO 2  production whereas the soil moisture level had little influence. No significant interactions among factors were found. Short dry events under warmer conditions are likely to result in greatest peaks of CO 2  production rates. Upon rewetting, CH 4  production was monitored over time and the recovery was standardized to pre-drying levels to compare the treatment effects. Methane production increased non-linearly over time and all factors (temperature, drying intensity and duration) influenced the pattern of post-drying CH 4  production. Peat undergoing more intense and longer drying events required a longer lag time before substantial CH 4  production occurred and warmer conditions appeared to speed up the process.", "keywords": ["13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2011.12.008"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2011.12.008", "name": "item", "description": "10.1016/j.soilbio.2011.12.008", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2011.12.008"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-04-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2012.02.013", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:43Z", "type": "Journal Article", "created": "2012-03-06", "title": "Addition Of Organic And Inorganic P Sources To Soil - Effects On P Pools And Microorganisms", "description": "Abstract   Phosphorus deficiency is wide-spread due to the poor solubility of soil P and the rapid formation of poorly available P after P addition. Microbes play a key role in soil P dynamics by P uptake, solubilisation and mineralisation. Therefore a better understanding of the relationship between type of P amendment, microbial activity and changes in soil P pools is important for a better management of soil P. A P deficient soil was amended with two composts (low P or high P), two crop residues (low P or high P), and inorganic P (KH2PO4) at low and high P, and incubated for 56 days. Composts were added at 20\u00a0g\u00a0kg\u22121 resulting in a total P addition of 4.1\u00a0mg\u00a0kg\u22121 soil with the low P compost and 33.2\u00a0mg\u00a0kg\u22121 soil with the high P compost. The same amount of P was added with the other amendments (residues and inorganic P). All amendments increased cumulative respiration, but microbial biomass and the abundance of bacteria and fungi (assessed by phospholipid fatty acid analysis) increased significantly only in soils with organic amendments, with greater increases with residues. The concentration of the inorganic P pools NaHCO3-Pi, NaOH-Pi and HCl-P increased significantly within 5\u00a0h after amendment, particularly with high P amendments. Over the following 56 days, labile inorganic P was converted mainly into non-labile inorganic P with inorganic P addition whereas labile and non-labile organic P was formed with organic amendments. It is concluded that organic P sources, particularly those with high P concentration can stimulate the formation of organic P forms in soils which may provide a long-term slow release P source for plants and soil organisms.", "keywords": ["P pools", "2. Zero hunger", "Microbial biomass", "Compost", "Residues", "04 agricultural and veterinary sciences", "15. Life on land", "Organic P", "01 natural sciences", "630", "6. Clean water", "Inorganic P", "0401 agriculture", " forestry", " and fisheries", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2012.02.013"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2012.02.013", "name": "item", "description": "10.1016/j.soilbio.2012.02.013", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2012.02.013"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-06-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2012.04.019", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:43Z", "type": "Journal Article", "created": "2012-05-03", "title": "Ammonia Volatilization Losses From Surface-Applied Urea With Urease And Nitrification Inhibitors", "description": "Abstract   Urease inhibitor (UI) and nitrification inhibitor (NI) have the potential to improve N-use efficiency of applied urea and minimize N losses via gaseous emissions of ammonia (NH3) to the atmosphere and nitrate       (     NO   3  \u2212    )       leaching into surface and ground water bodies. There is a growing interest in the formulations of coating chemical fertilizers with both UI and NI. However, limited information is available on the combined use of UI and NI applied with urea fertilizer. Therefore the aim of this study was to investigate the effects of treating urea with both UI and NI to minimize NH3 volatilization. Two experiments were set up in volatilization chambers under controlled conditions to examine this process. In the first experiment, UR was treated with the urease inhibitor NBPT [N-(n-butyl) thiophosphoric acid triamide] at a rate of 1060\u00a0mg\u00a0kg\u22121 urea and/or with the nitrification inhibitor DCD (dicyandiamide) at rates equivalent to 5 or 10% of the urea N. A randomized experimental design with five treatments and five replicates was used: 1) UR, 2) UR\u00a0+\u00a0NBPT, 3) UR\u00a0+\u00a0DCD 10%, 4) UR\u00a0+\u00a0NBPT\u00a0+\u00a0DCD 5%, and 5) UR\u00a0+\u00a0NBPT\u00a0+\u00a0DCD 10%. The fertilizer treatments were applied to the surface of an acidic Red Latosol soil moistened to 60% of the maximum water retention and placed inside volatilization chambers. Controls chambers were added to allow for NH3 volatilized from unfertilized soil or contained in the air that swept over the soil surface. The second experiment had an additional treatment with surface-applied DCD. The chambers were glass vessels (1.5\u00a0L) fit with air inlet and outlet tubings to allow air to pass over the soil. Ammonia volatilized was swept and carried to a flask containing a boric acid solution to trap the gas and then measured daily by titration with a standardized H2SO4 solution. Continuous measurements were recorded for 19 and 23 days for the first and second experiment, respectively. The soil samples were then analyzed for UR\u2013,       NH   4  +   \u2013    , and       NO   3  \u2212   \u2013  N    . Losses of NH3 by volatilization with unamended UR ranged from 28 to 37% of the applied N, with peak of losses observed the third day after fertilization. NBPT delayed the peak of NH3 losses due to urease inhibition and reduced NH3 volatilization between 54 and 78% when compared with untreated UR. Up to 10 days after the fertilizer application, NH3 losses had not been affected by DCD in the UR or the UR\u00a0+\u00a0NBPT treatments; thereafter, NH3 volatilization tended to decrease, but not when DCD was present. As a consequence, the addition of DCD caused a 5\u201316% increase in NH3 volatilization losses of the fertilizer N applied as UR from both the UR and the UR\u00a0+\u00a0NBPT treatments. Because the effectiveness of NBPT to inhibit soil urease activity was strong only in the first week, it could be concluded that DCD did not affect the action of NBPT but rather, enhanced volatilization losses by maintaining higher soil       NH   4  +      concentration and pH for a longer time. Depending on the combination of factors influencing NH3 volatilization, DCD could even offset the beneficial effect of NBPT in reducing NH3 volatilization losses.", "keywords": ["soil chemistry", "Urease inhibitors", "Surface treatment", "nutrient use efficiency", "Ammonia volatilization", "01 natural sciences", "630", "Ammonia", "Oxidation", "DCD", "Urea", "Urea fertilizers", "Fertilizers", "volatilization", "Groundwater", "0105 earth and related environmental sciences", "soil surface", "coating", "fertilizer application", "Urease inhibitor", "04 agricultural and veterinary sciences", "Nitrification inhibitor", "Nitrification", "Inorganic acids", "6. Clean water", "enzyme activity", "inhibitor", "pH effects", "Metabolism", "NBPT", "Denitrification", "Leaching", "Soils", "0401 agriculture", " forestry", " and fisheries", "Experiments", "Stabilized fertilizer"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2012.04.019"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2012.04.019", "name": "item", "description": "10.1016/j.soilbio.2012.04.019", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2012.04.019"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-09-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2012.04.005", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:43Z", "type": "Journal Article", "created": "2012-04-24", "title": "Biological Degradation Of Pyrogenic Organic Matter In Temperate Forest Soils", "description": "Abstract   Pyrogenic organic matter (PyOM), derived from the incomplete combustion of plant biomass and fossil fuels, has been considered one of the most stable pools of soil organic matter (SOM) and a potentially important terrestrial sink for atmospheric CO 2 . Recent evidence suggests that PyOM may degrade faster in soil than previously thought, and can affect native SOM turnover rates. We conducted a six-month laboratory incubation study to better understand the processes controlling the degradation of PyOM in soils using dual-enriched ( 13 C/ 15 N) PyOM and its precursor wood ( Pinus ponderosa ). We examined the effects of soil type and inorganic N addition on PyOM and wood C and N mineralization rates, microbial C utilization patterns, and native SOM turnover rates. PyOM charred at 450\u00a0\u00b0C or its precursor pine wood was incubated in two temperate forest subsoils with contrasting short range order (SRO) clay mineralogy (granite versus andesite parent material). Duplicates of experimental treatments with and without PyOM added were sterilized and abiotic C mineralization was quantified. In a second incubation, PyOM or wood was incubated in granitic soil with and without added NH 4 NO 3  (20\u00a0kg\u00a0N\u00a0ha \u22121 ). The fate of  13 C/ 15 N-enriched PyOM and wood was followed as soil-respired  13 CO 2  and total extractable inorganic  15 N. The uptake of  13 C from PyOM and wood by soil microbial community groups was quantified using  13 C-phospholipids fatty acids (PLFA). We found that (1) The mean residence time (MRT) of PyOM-C was on a centennial time scale (390\u2013600\u00a0yr) in both soil types; (2) PyOM-C mineralization was mainly biologically mediated; (3) Fungi more actively utilized wood-C than PyOM-C, which was utilized by all bacteria groups, especially gram (+) bacteria in the andesite (AN) soil; (4) PyOM-N mineralization was 2 times greater in granite (GR) than in AN soils; (5) PyOM additions did not affect native soil C or N mineralization rates, microbial biomass, or PLFA-defined microbial community composition in either soil; (6) The addition of N to GR soil had no effect on the MRT of C from PyOM, wood, or native SOM. The centennial scale MRT for PyOM-C was 32 times slower than that for the precursor pine wood-C or native soil C, which is faster than the MRT used in ecosystem models. Our results show that PyOM-C is readily utilized by all heterotrophic microbial groups, and PyOM-C and -N may be more dynamic in soils than previously thought.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2012.04.005"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2012.04.005", "name": "item", "description": "10.1016/j.soilbio.2012.04.005", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2012.04.005"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-08-01T00:00:00Z"}}, {"id": "10.1016/j.still.2008.10.005", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:56Z", "type": "Journal Article", "created": "2008-12-17", "title": "Assessment Of Tillage Erosion Rates On Steep Slopes In Northern Laos", "description": "Abstract   In the hills of south-east Asia shifting cultivation is developing towards more permanent cropping systems. In association with short fallow periods, fields suffer from weed pressure and this, in turn, leads to more frequent and deeper manual tillage. Due to steep slopes these operations induce tillage erosion. Measurements of such soil losses under on-farm conditions are still scarce. In this study tillage erosion was assessed and a predictive model of tillage erosion was established based on slope angle and contact cover, i.e. basal crop area and weed cover. The experiments were conducted in the Houay Pano, Northern Laos. The farmers cultivate annual crops in rotation with 1\u20133 year fallow periods without external inputs and using only hand tools. Tillage erosion was assessed using the tracer method across nine slope classes (0.30\u20131.10\u00a0m\u00a0m \u22121 ) for two crops, upland rice and Job's tears ( Coix lacryma-jobi  L.). Soil movement due to land preparation and weeding were assessed separately because different tools are used, a medium size hoe and a small curved hoe. A multivariate regression showed a highly significant relation ( R  2 \u00a0=\u00a00.83) between soil losses due to land preparation, slope gradient and contact cover. Predicting models of soil losses due to weeding were also highly significant ( R  2 \u00a0=\u00a00.79 for upland rice,  R  2 \u00a0=\u00a00.88 for Job's tears), confirming the importance of tillage erosion on steep slopes (4, 6 and 11\u00a0t\u00a0ha \u22121 \u00a0year \u22121  on slopes with gradients of 0.30, 0.60 and 0.90\u00a0m\u00a0m \u22121 , respectively). Tillage erosion has increased exponentially over the last 40 years because of weed invasion associated with short fallow periods; the initially no-till system has changed into a system heavily dependent on tillage to control weeds and this greatly contributes to soil degradation.", "keywords": ["subsistence farming", "2. Zero hunger", "weed control", "Upland rice", "sloping land", "04 agricultural and veterinary sciences", "[SDV.SA.SDS]Life Sciences [q-bio]/Agricultural sciences/Soil study", "15. Life on land", "erosion", "shifting cultivation", "Weed pressure", "01 natural sciences", "630", "Tillage erosion", "Steep slopes", "upland rice", "Job's tears", "tillage", "Shifting cultivation", "0401 agriculture", " forestry", " and fisheries", "farming systems", "[SDV.SA.SDS] Life Sciences [q-bio]/Agricultural sciences/Soil study", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.still.2008.10.005"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20and%20Tillage%20Research", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.still.2008.10.005", "name": "item", "description": "10.1016/j.still.2008.10.005", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.still.2008.10.005"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-04-01T00:00:00Z"}}, {"id": "10.1016/j.still.2009.06.006", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:57Z", "type": "Journal Article", "created": "2009-07-29", "title": "Physico-Chemical Indicators And Microarthropod Communities As Influenced By No-Till, Conventional Tillage And Nitrogen Fertilisation After Four Years Of Continuous Maize", "description": "Abstract   A multidisciplinary study was carried out over four years in Northern Italy on a silt loam under continuous maize. The experimental design was a split-plot with four replicates; the main factor was the soil management system, conventional tillage (CT) or no-tillage (NT), while the secondary factor was N fertilisation. At the end of the trial, soil samples were taken from all plots at four depths (from 0 to 20\u00a0cm). In these samples the following were determined: pH, soil organic carbon (SOC), total N, available P, exchangeable K, cation exchange capacity (CEC), electrical conductivity (EC) and water aggregate stability (WAS). Soil compaction was measured during the last three years, after maize harvesting. To study the microarthropod community, soil samples (0\u201310\u00a0cm depth) were taken six times over the four years. Our results show that NT significantly increased SOC (+15.8%), total N (+9.6%), C/N (+5.3%), exchangeable K (+37.1%) and WAS (+64.8%). The stratification ratio for exchangeable K reached 2.15 for NT plots. N fertilisation, on the other hand, had no significant effect on most of the physico-chemical indicators, except for pH, CEC and EC. Soil compaction was significantly higher for NT compared with CT up to a depth of 25\u201330\u00a0cm. During the last year, interesting reductions in soil penetration resistance for NT were measured, up to 300\u2013430\u00a0kPa in the 2.5\u201312.5\u00a0cm layer. As for the microarthropods, Acari were more sensitive to tillage compared with Collembola, and the Wardle  V  index proved to be a good indicator of the response to tillage. N fertilisation with 300\u00a0kg\u00a0N\u00a0ha \u22121  had a negative effect on the total microarthropod abundance. The Shannon diversity index gave fluctuating and significantly different results: over the years results were split alternately between the two tillage systems. The QBS-ar index, calculated for all the four years of the study, ranged between 48 and 72, values typical of intensively cultivated soils. The results obtained suggested that it was not influenced by the tillage system. Therefore, this index seems to be unsuitable for detecting the influence of tillage management and N fertilisation on the microarthropod community.", "keywords": ["Biological indices", "2. Zero hunger", "Physico-chemical indicators", "No-tillage", "Microarthropod community", "610", "microartropodi", "04 agricultural and veterinary sciences", "non lavorazione", "15. Life on land", "01 natural sciences", "630", "6. Clean water", "indice V di Wardle", "Wardle V index", "indici biologici", "0401 agriculture", " forestry", " and fisheries", "compattamento del suolo", "Soil compaction", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.still.2009.06.006"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20and%20Tillage%20Research", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.still.2009.06.006", "name": "item", "description": "10.1016/j.still.2009.06.006", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.still.2009.06.006"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-09-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2013.03.013", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:44Z", "type": "Journal Article", "created": "2013-03-29", "title": "Chars Produced By Slow Pyrolysis And Hydrothermal Carbonization Vary In Carbon Sequestration Potential And Greenhouse Gases Emissions", "description": "Bio-char, biomass that has been deliberately charred to slow its rate of decomposition, has been proposed as an amendment with the potential to sequester carbon and improve certain soil properties. Slow pyrolysis (temperature \u2264500\u00b0C) and hydrothermal carbonization (low temperature, high pressure) are two efficient methods to produce bio-char with high yield and are applicable to a broad range of feedstocks. Chars made using slow pyrolysis (PC) and hydrothermal carbonization (HTC) of the same feedstock material (corn, C4) differed in physical appearance, chemical properties and decomposition behavior. We added these HTC and PC chars as amendments to three soils with C3-derived organic matter that differed in clay content, pH, and land use (managed spruce forest, unmanaged deciduous forest and agriculture), and compared their impacts on carbon sequestration and net greenhouse gas (CO2, 13CO2, N2O and CH4) emissions. HTC addition (1% w/w) significantly increased CO2 emissions in all three soils (p<0.001), with much of the extra C derived from HTC decomposition. In contrast, PC addition (1% w/w) had almost no impact on deciduous forest soil and actually decreased CO2 emission from the agricultural soil. HTC treatment resulted in increased CH4 emission from all soils but reduced N2O fluxes in the agricultural and spruce forest soils. PC amendment had no significant effect on CH4 emission, and resulted in intermediate levels of N2O emission (between control and HTC treatments). Although both HTC and PC chars were produced from the same feedstock, PC had markedly higher potential for carbon sequestration than HTC. \u00a9 2013 Elsevier Ltd.", "keywords": ["Carbon sequestration", "2. Zero hunger", "Soil organic matter", "Agricultural and Veterinary Sciences", "Life on Land", "GHGs", "Agronomy & Agriculture", "04 agricultural and veterinary sciences", "Biological Sciences", "15. Life on land", "01 natural sciences", "7. Clean energy", "12. Responsible consumption", "Climate Action", "Laboratory incubation", "Dry and wet pyrolysis", "13. Climate action", "delta C-13", "0401 agriculture", " forestry", " and fisheries", "Bio-char", "Environmental Sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://escholarship.org/content/qt85k758t2/qt85k758t2.pdf"}, {"href": "https://doi.org/10.1016/j.soilbio.2013.03.013"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2013.03.013", "name": "item", "description": "10.1016/j.soilbio.2013.03.013", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2013.03.013"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2013-07-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2013.03.034", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:44Z", "type": "Journal Article", "created": "2013-04-18", "title": "Microbial Enzymatic Responses To Drought And To Nitrogen Addition In A Southern California Grassland", "description": "Microbial enzymes play a fundamental role in ecosystem processes and nutrient mineralization. Therefore understanding enzyme responses to anthropogenic environmental change is important for predicting ecosystem function in the future. In a previous study, we used a reciprocal transplant design to examine the direct and indirect effects of drought and nitrogen (N) fertilization on litter decomposition in a southern California grassland. This work showed direct and indirect negative effects of drought on decomposition, and faster decomposition by N-adapted microbial communities in N-fertilized plots than in non-fertilized plots. Here we measured microbial biomass and the activities of nine extracellular enzymes to examine the microbial and enzymatic mechanisms underlying litter decomposition responses to drought and N. We hypothesized that changes in fungal biomass and potential extracellular enzyme activity (EEA) would relate directly to litter decomposition responses. We also predicted that fungal biomass would dominate the microbial community in our semi-arid study site. However, we found that the microbial community was dominated by bacterial biomass, and that bacteria responded negatively to drought treatment. In contrast to patterns in decomposition, fungal biomass and most potential EEA increased in direct response to drought treatment. Potential EEA was also decoupled from the decomposition response to N treatment. These results suggest that drought and N alter the efficiencies of EEA, defined as the mass of target substrate lost per unit potential EEA. Enzyme efficiencies declined with drought treatment, possibly because reduced water availability increased enzyme immobilization and reduced diffusion rates. In the N experiment, the efficiencies of \u03b2-glucosidase, \u03b2-xylosidase, and polyphenol oxidase were greater when microbes were transplanted into environments from which they originated. This increase in enzymatic efficiency suggests that microbial enzymes may adapt to their local environment. Overall, our results indicate that drought and N addition may have predictable impacts on the efficiencies of extracellular enzymes, providing a means of linking enzyme potentials with in-situ activities.", "keywords": ["Bacteria", "Drought", "Agricultural and Veterinary Sciences", "Fungi", "Litter decomposition", "Agronomy & Agriculture", "Precipitation", "04 agricultural and veterinary sciences", "Enzyme efficiency", "Biological Sciences", "15. Life on land", "Grassland", "01 natural sciences", "6. Clean water", "Nitrogen fertilization", "Affordable and Clean Energy", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "Glucosidase", "Oxidase", "Environmental Sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://escholarship.org/content/qt8fw4q1cf/qt8fw4q1cf.pdf"}, {"href": "https://doi.org/10.1016/j.soilbio.2013.03.034"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2013.03.034", "name": "item", "description": "10.1016/j.soilbio.2013.03.034", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2013.03.034"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2013-09-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2013.05.007", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:44Z", "type": "Journal Article", "created": "2013-05-25", "title": "Tropical Agricultural Land Management Influences On Soil Microbial Communities Through Its Effect On Soil Organic Carbon", "description": "Abstract   We analyzed the microbial community that developed after 4 years of testing different soil-crop management systems in the savannah\u2013forest transition zone of Eastern Ghana where management systems can rapidly alter stored soil carbon as well as soil fertility. The agricultural managements were: (i) the local practice of fallow regrowth of native elephant grass ( Pennisetum purpureum ) followed by biomass burning before planting maize in the spring, (ii) the same practice but without burning and the maize receiving mineral nitrogen fertilizer, (iii) a winter crop of a legume, pigeon pea ( Cajanus cajan ), followed by maize, (iv) vegetation free winter period (bare fallow) followed by maize, and (v) unmanaged elephant grass-shrub vegetation. The mean soil organic carbon (SOC) contents of the soils after 4 years were: 1.29, 1.67, 1.54, 0.80 and 1.34%, respectively, differences that should affect resources for the microbial community.  From about 290,000 sequences obtained by pyrosequencing the SSU rRNA gene, canonical correspondence analysis showed that SOC was the most important factor that explained differences in microbial community structure among treatments. This analysis as well as phylogenetic ecological network construction indicated that members of the  Acidobacteria  GP4 and GP6 were more abundant in soils with relatively high SOC whereas  Acidobacteria  GP1, GP7, and  Actinobacteria  were more prevalent in soil with lower SOC. Burning of winter fallow vegetation led to an increase in Bacillales, especially those belonging to spore-forming genera. Of the managements, pigeon-pea cultivation during the winter period promoted a higher microbial diversity and also sequestered more SOC, presumably improving soil structure, fertility, and resiliency.", "keywords": ["2. Zero hunger", "Bacillales", "Agricultural and Veterinary Sciences", "Life on Land", "Agronomy & Agriculture", "SSU rRNA genes", "Biological Sciences", "15. Life on land", "Soil organic carbon loss", "Acidobacteria", "Pigeon-pea winter-period cultivation", "13. Climate action", "Microbial community", "Zero Hunger", "Environmental Sciences", "Tropical agricultural practices"]}, "links": [{"href": "https://escholarship.org/content/qt2f60c133/qt2f60c133.pdf"}, {"href": "https://doi.org/10.1016/j.soilbio.2013.05.007"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2013.05.007", "name": "item", "description": "10.1016/j.soilbio.2013.05.007", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2013.05.007"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2013-10-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2013.05.021", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:44Z", "type": "Journal Article", "created": "2013-06-12", "title": "Microbial Response To Rhizodeposition Depending On Water Regimes In Paddy Soils", "description": "Abstract   Rhizodeposit-carbon (rhizo-C) serves as a primary energy and C source for microorganisms in the rhizosphere. Despite important progress in understanding the fate of rhizo-C in upland soils, little is known about microbial community dynamics associated with rhizo-C in flooded soils, especially depending on water regimes in rice systems. In this study, rice grown under non-flooded, continuously flooded and alternating water regimes was pulse labeled with  13 CO 2  and the incorporation of rhizo-C into specific microbial groups was determined by  13 C in phospholipid fatty acids (PLFAs) at day 2 and 14 after the labeling.  A decreased C released from roots under continuously flooded condition was accompanied with lower total  13 C incorporation into microorganisms compared to the non-flooded and alternating water regimes treatments. Continuous flooding caused a relative increase of  13 C incorporation in Gram positive bacteria (i14:0, i15:0, a15:0, i16:0, i17:0, a17:0). In contrast, Gram negative bacteria (16:1\u03c97c, 18:1\u03c97c, cy17:0, cy 19:0) and fungi (18:2\u03c96, 9c, 18:1\u03c99c) showed greater rhizo-C incorporation coupled with a higher turnover under non-flooded and alternating water regimes treatments. These observations suggest that microbial groups processing rhizo-C differed among rice systems with varying water regimes. In contrast to non-flooded and alternating water regimes, there was little to no temporal  13 C change in most microbial groups under continuous flooding condition between day 2 and 14 after the labeling, which may demonstrate slower microbial processing turnover. In summary, our findings indicate that belowground C input by rhizodeposition and its biological cycling was significantly influenced by water regimes in rice systems.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2013.05.021"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2013.05.021", "name": "item", "description": "10.1016/j.soilbio.2013.05.021", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2013.05.021"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2013-10-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2013.07.015", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:45Z", "type": "Journal Article", "created": "2013-08-06", "title": "Nitrite Intensity Explains N Management Effects On N2o Emissions In Maize", "description": "Abstract   It is typically assumed that the dependence of nitrous oxide (N2O) emissions on soil nitrogen (N) availability is best quantified in terms of ammonium      (    NH  4  +    )      and/or nitrate      (    NO  3  \u2212    )      concentrations. In contrast, nitrite      (    NO  2  \u2212    )      is seldom measured separately from      NO  3  \u2212      despite its role as a central substrate in N2O production. We examined the effects of three N fertilizer sources and two placement methods on N2O and N dynamics in maize over two growing seasons. Cumulative N2O emissions were well-correlated with      NO  2  \u2212      intensity (NO2I) but not with      NO  3  \u2212      (NO3I) or      NH  4  +      (NH4I) intensity. By itself, NO2I explained more than 44% of the overall variance in N2O. Treatment effects on N2O and NO2I were similar. When conventional urea (U) was applied using mid-row banding (MRB), both N2O and NO2I increased by a factor of about 2 compared to broadcast/incorporated (BI). When polymer-coated urea (PCU) was the N source, MRB placement increased both N2O and NO2I compared to BI only in the wetter of the two years. When urea with microbial inhibitors (IU) was the N source, N2O and NO2I were lowest across both years and were less affected by placement than U or PCU. A 50/50 mix of IU and U reduced N2O and NO2I compared to U alone, suggesting that a mixed N source may provide an economical N2O mitigation strategy. Our results show that practices which reduce      NO  2  \u2212      accumulation have the potential to also reduce N2O emissions, and that separate consideration of      NO  3  \u2212      and      NO  2  \u2212      dynamics can provide more insight than their combined dynamics as typically quantified.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2013.07.015"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2013.07.015", "name": "item", "description": "10.1016/j.soilbio.2013.07.015", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2013.07.015"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2013-11-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2014.02.017", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:45Z", "type": "Journal Article", "created": "2014-03-11", "title": "Microbial Interactions Affect Sources Of Priming Induced By Cellulose", "description": "Abstract   The recently developed 3-source-partitioning approach: addition of  14 C labeled organics to soil after C3\u2013C4 vegetation changes, was used to distinguish C sources in three compartments, namely CO 2 , microbial biomass and dissolved organic C (DOC) during decomposition of labeled cellulose. Microbial community structure (based on PLFA composition) and functions (based on enzyme activities and on microbial growth parameters) revealed mechanisms and drivers of priming effects (PE) induced by cellulose addition.   14 C-cellulose input caused negative PE within the first week and was accompanied by fast consumption of unlabelled DOC and its incorporation into microbial biomass. Microbial activation however, was not confirmed by substrate-induced respiration, nor by hydrolytic enzymes activity or by PLFA changes. A remarkable exception was a 2-fold increase in protozoan PLFA. Such an increase indicates that microorganisms feeding on cellulose and on DOC were quickly grazed by protozoans acting as a driver of microbial succession. This experimentally demonstrates the functioning of the microbial interactions: protozoan grazers provided for rapid recycling of nutrients and facilitated the succession of cellulose-degrading microorganisms during the second week of cellulose decomposition. An increase in the activity of cellulolytic enzymes caused short-term real PE accompanied by increase in abundance of slow-growing fungi and G(\u2212) bacteria. Long-term real PE observed between 14 and 60 days after cellulose input was due to decomposition of SOM-originated hemicelluloses by fungi and G(+) bacteria. The CO 2  released by primed soil organic matter (SOM) decomposition was originated mainly from C younger than 12 years (63%) and only 37% were older than 12 years despite the recent and old C contributed almost equally (51 and 49%, respectively) to SOM under  Miscanthus giganteus . This indicates that the SOM pools are involved in PE according to their availability. Despite 71% of the applied cellulose-C was sequestered in the soil, the net soil C-gain amounted only for 28% of the applied cellulose-C after factoring in the C losses by the PE. Our study emphasizes the role of food webs in the PE dynamics: cellulose input served as a driver activating the food chain through the microbial loop.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences", "12. Responsible consumption"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2014.02.017"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2014.02.017", "name": "item", "description": "10.1016/j.soilbio.2014.02.017", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2014.02.017"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2014-07-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2014.02.022", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:45Z", "type": "Journal Article", "created": "2014-03-17", "title": "Effects Of Freeze-Thaw Cycles Resulting From Winter Climate Change On Soil Nitrogen Cycling In Ten Temperate Forest Ecosystems Throughout The Japanese Archipelago", "description": "In temperate forest ecosystems, accelerated freeze\u2013thaw cycles caused by winter climate change are expected to affect nitrogen (N) cycling in soils. Net N mineralization and nitrification rates were investigated via incubations of sieved soils transplanted from ten temperate forest ecosystems to two northern Japan sites with natural snowfall gradients. This was done to address: 1) how freeze\u2013thaw cycles affect N mineralization and nitrification in temperate forest soils; 2) whether freeze\u2013thaw cycles change the soil N transformation rates in the following growing season; and 3) which soil characteristics affect the response of the N transformation rates to freeze\u2013thaw cycles. The effect of freeze\u2013thaw cycles on inorganic N and dissolved organic carbon productions differed among soils, that is, some soils produced more inorganic N and dissolved organic carbon in the conditions imposed by freeze thaw cycles than in the non-frozen treatment but the others did not. The response to the freeze\u2013thaw cycles was explained by soil microbial activity (gross N mineralization and nitrification rate) and soil fertility (inorganic N pools in the early spring and water soluble ions). Freeze\u2013thaw cycles significantly increased N transformation rates in the following growing season, suggesting that winter climate change might also affect nutrient availability for vegetation and soil microbes in the growing season. The magnitude and frequency of freeze\u2013thaw cycles were considered to be important indicators of N transformation rates during the growing season, suggesting that the higher intensity of freeze\u2013thaw cycles in the original locations of soils changed the microbial communities and functions with high tolerance to freeze\u2013thaw cycles; this resulted in greater N transformation rates in the following growing season. Microbial activity, soil fertility and climate patterns in the original locations of soils are believed to have an effect on the response to winter climate change and to cause large variability of soil response of N transformation rates to freeze\u2013thaw cycles in both the dormant and growing seasons.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2014.02.022"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2014.02.022", "name": "item", "description": "10.1016/j.soilbio.2014.02.022", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2014.02.022"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2014-07-01T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2014.04.001", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-03T16:17:45Z", "type": "Journal Article", "created": "2014-04-18", "title": "Increase In Microbial Biomass And Phosphorus Availability In The Rhizosphere Of Intercropped Cereal And Legumes Under Field Conditions", "description": "Abstract   Facilitation of plant growth and phosphorus (P) acquisition has recently been reported in cereal\u2013legume intercropping systems. The aim of this study was to test the hypothesis that intercropping could promote P cycling, through microbial biomass P (MBP) changes, in a field trial in a Mediterranean climate. Changes in microbial biomass carbon (MBC), MBP, and inorganic P availability in the rhizosphere of intercropped species were thus investigated in durum wheat/chickpea and durum wheat/lentil intercrops and compared to the bulk soils as well as the rhizosphere of each species grown alone. When expressed relative to the bulk soil, MBC increased in the rhizosphere only for the intercropped plants, irrespective of species. Relative to MBC in the rhizosphere of sole crops, MBC increased in the rhizosphere of the two legume species when intercropped with durum wheat, while no such effect was found for durum wheat. We were unable to detect an increase in P availability in the rhizosphere as a response to intercropping in any of the three crop species, but there was a systematic increase in available P in the rhizosphere relative to the corresponding bulk soil. Fairly similar patterns were observed for MBP as for MBC, except within the rhizosphere of durum wheat when intercropped with chickpea: relative to the bulk soil, MBP increased in the rhizosphere of both lentil and chickpea when intercropped with durum wheat as well as in the rhizosphere of durum wheat when intercropped with chickpea. The differences in microbial biomass changes for a given cereal (durum wheat) when intercropped with two different legumes, suggest that plants have strong species-specific influences on each other as well as on the soil environment. The molar ratios of MBC to MBP (MM C:P) did not vary significantly except for the rhizosphere of durum wheat intercropped with chickpea, which was fairly low (16:1), about half the values found in the other treatments (26\u201340:1). These MM C:P values were lower than those generally reported in soils (38\u201360:1), verifying the hypothesis that microbes can increase storage of soil P in their biomass, creating stocks of microbial P in the soil when P availability is high. In this Mediterranean climate where surface soils undergo frequent drying-rewetting, known for liberation of microbial biomass, MBP could be an important factor influencing P availability. Together, our data demonstrate the importance of intercropping to soil P cycling and highlight the need to examine the rhizosphere of each intercropped species to truly understand how the soil P resource is shared in such agroecosystems.", "keywords": ["[SDV.SA]Life Sciences [q-bio]/Agricultural sciences", "0301 basic medicine", "570", "F08 - Syst\u00e8mes et modes de culture", "[SDV.SA.AGRO]Life Sciences [q-bio]/Agricultural sciences/Agronomy", "Microbial biomass", "F62 - Physiologie v\u00e9g\u00e9tale - Croissance et d\u00e9veloppement", "630", "03 medical and health sciences", "[SDV.EE]Life Sciences [q-bio]/Ecology", "http://aims.fao.org/aos/agrovoc/c_3081", "580", "[SDV.SA.AGRO] Life Sciences [q-bio]/Agricultural sciences/Agronomy", "2. Zero hunger", "[SDV.SA] Life Sciences [q-bio]/Agricultural sciences", "P availability", "P34 - Biologie du sol", "04 agricultural and veterinary sciences", "15. Life on land", "Stoichiometry", "http://aims.fao.org/aos/agrovoc/c_4188", "[SDV.EE] Life Sciences [q-bio]/Ecology", " environment", "Intercropping", "0401 agriculture", " forestry", " and fisheries", "Facilitation", "environment"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2014.04.001"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2014.04.001", "name": "item", "description": "10.1016/j.soilbio.2014.04.001", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2014.04.001"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2014-08-01T00:00:00Z"}}], "links": [{"rel": "self", "type": "application/geo+json", "title": "This document as GeoJSON", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=IRON&offset=1950&f=json", "hreflang": "en-US"}, {"rel": "alternate", "type": "text/html", "title": "This document as HTML", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=IRON&offset=1950&f=html", "hreflang": "en-US"}, {"rel": "collection", "type": "application/json", "title": "Collection URL", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main", "hreflang": "en-US"}, {"type": "application/geo+json", "rel": "prev", "title": "items (prev)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=IRON&offset=1900", "hreflang": "en-US"}, {"rel": "next", "type": "application/geo+json", "title": "items (next)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=IRON&offset=2000", "hreflang": "en-US"}], "numberMatched": 6884, "numberReturned": 50, "distributedFeatures": [], "timeStamp": "2026-04-04T15:53:33.873346Z"}