{"type": "FeatureCollection", "features": [{"id": "10.1007/s00572-015-0655-2", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-28T16:15:01Z", "type": "Journal Article", "created": "2015-07-25", "title": "The Ectomycorrhizal Community Of Conifer Stands On Peat Soils 12 Years After Fertilization With Wood Ash", "description": "We studied long-term effects of fertilization with wood ash on biomass, vitality and mycorrhizal colonization of fine roots in three conifer forest stands growing in Vacciniosa turf. mel. (V), Myrtillosa turf. mel. (M) and Myrtillosa turf. mel./Caricoso-phragmitosa (MC) forest types on peat soils. Fertilization trials amounting 5 kg/m(2) of wood ash were established 12 years prior to this study. A total of 63 soil samples with roots were collected and analysed. Ectomycorrhizal (ECM) fungi in roots were identified by morphotyping and sequencing of the fungal internal transcribed spacer (ITS) region. In all forest types, fine root biomass was higher in fertilized plots than in control plots. In M forest type, proportion of living fine roots was greater in fertilized plots than in control plots, while in V and MC, the result was opposite. Fifty ECM species were identified, of which eight were common to both fertilized and control plots. Species richness and Shannon diversity index were generally higher in fertilized plots than in control plots. The most common species in fertilized plots were Amphinema byssoides (17.8%) and Tuber cf. anniae (12.2%), while in control plots, it was Tylospora asterophora (18.5%) and Lactarius tabidus (20.3%). Our results showed that forest fertilization with wood ash has long-lasting effect on diversity and composition of ECM fungal communities.", "keywords": ["0106 biological sciences", "570", "forest fertilization", "m\u00e4nty", "Molecular Sequence Data", "organic soils", "fine roots", "Plant Roots", "01 natural sciences", "630", "mets\u00e4nlannoitus", "Mycorrhizae", "ectomycorrhizae", "DNA", " Ribosomal Spacer", "Muut aihealueet", "DNA", " Fungal", "2. Zero hunger", "Picea abies", "Pinus sylvestris", "Sequence Analysis", " DNA", "04 agricultural and veterinary sciences", "15. Life on land", "Biota", "hienojuuret", "kuusi", "Tracheophyta", "eloper\u00e4iset maat", "0401 agriculture", " forestry", " and fisheries", "ektomykorritsa"]}, "links": [{"href": "https://doi.org/10.1007/s00572-015-0655-2"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Mycorrhiza", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s00572-015-0655-2", "name": "item", "description": "10.1007/s00572-015-0655-2", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s00572-015-0655-2"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2015-07-26T00:00:00Z"}}, {"id": "10.1016/j.soilbio.2004.08.013", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-28T16:16:57Z", "type": "Journal Article", "created": "2004-09-30", "title": "Decomposition Of C-14-Labeled Roots In A Pasture Soil Exposed To 10 Years Of Elevated Co2", "description": "Abstract   The net flux of soil C is determined by the balance between soil C input and microbial decomposition, both of which might be altered under prolonged elevated atmospheric CO 2 . In this study, we determined the effect of elevated CO 2  on decomposition of grass root material ( Lolium perenne  L.).  14 C-labeled root material, produced under ambient (35\u00a0Pa pCO 2 ) or elevated CO 2  (70\u00a0Pa pCO 2 ) was incubated in soil for 64 days. The soils were taken from a pasture ecosystem which had been exposed to ambient (35\u00a0Pa pCO 2 ) or elevated CO 2  (60\u00a0Pa pCO 2 ) under FACE-conditions for 10 years and two fertilizer N rates: 140 and 560\u00a0kg N ha \u22121 \u00a0year \u22121 . In soil exposed to elevated CO 2 , decomposition rates of root material grown at either ambient or elevated CO 2  were always lower than in the control soil exposed to ambient CO 2 , demonstrating a change in microbial activity. In the soil that received the high rate of N fertilizer, decomposition of root material grown at elevated CO 2  decreased by approximately 17% after incubation for 64 days compared to root material grown at ambient CO 2 . The amount of  14 CO 2  respired per amount of  14 C incorporated in the microbial biomass ( q  14 CO 2 ) was significantly lower when roots were grown under high CO 2  compared to roots grown under low CO 2 . We hypothesize that this decrease is the result of a shift in the microbial community, causing an increase in metabolic efficiency. Soils exposed to elevated CO 2  tended to respire more native SOC, both with and without the addition of the root material, probably resulting from a higher C supply to the soil during the 10 years of treatment with elevated CO 2 . The results show the importance of using soils adapted to elevated CO 2  in studies of decomposition of roots grown under elevated CO 2 . Our results further suggest that negative priming effects may obscure CO 2  data in incubation experiments with unlabeled substrates. From the results obtained, we conclude that a slower turnover of root material grown in an \u2018elevated-CO 2  world\u2019 may result in a limited net increase in C storage in ryegrass swards.", "keywords": ["organic-matter dynamics", "2. Zero hunger", "microbial biomass", "atmospheric carbon-dioxide", "turnover", "fine roots", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "forest soils", "tallgrass prairie", "trifolium-repens l", "lolium-perenne", "litter quality", "0401 agriculture", " forestry", " and fisheries", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2004.08.013"}, {"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.2004.08.013", "name": "item", "description": "10.1016/j.soilbio.2004.08.013", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2004.08.013"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2005-03-01T00:00:00Z"}}, {"id": "10.1093/treephys/23.12.805", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-28T16:18:23Z", "type": "Journal Article", "created": "2012-01-20", "title": "Free-Air Co2 Enrichment (Face) Enhances Biomass Production In A Short-Rotation Poplar Plantation", "description": "This paper investigates the possible contribution of Short Rotation Cultures (SRC) to carbon sequestration in both current and elevated atmospheric CO2 concentrations ([CO2]). A dense poplar plantation (1 x 1 m) was exposed to a [CO2] of 550 ppm in Central Italy using the free-air CO2 enrichment (FACE) technique. Three species of Populus were examined, namely P. alba L., P. nigra L. and P. x euramericana Dode (Guinier). Aboveground woody biomass of trees exposed to elevated [CO2] for three growing seasons increased by 15 to 27%, depending on species. As a result, light-use efficiency increased. Aboveground biomass allocation was unaffected, and belowground biomass also increased under elevated [CO2] conditions, by 22 to 38%. Populus nigra, with total biomass equal to 62.02 and 72.03 Mg ha-1 in ambient and elevated [CO2], respectively, was the most productive species, although its productivity was stimulated least by atmospheric CO2 enrichment. There was greater depletion of inorganic nitrogen from the soil after three growing seasons in elevated [CO2], but no effect of [CO2] on stem wood density, which differed significantly only among species.", "keywords": ["soil n-availability", "0106 biological sciences", "Physiology", "pinus-sylvestris", "fine roots", "hybrid poplar", "Plant Science", "Plant Roots", "01 natural sciences", "7. Clean energy", "Trees", "light-use efficiency", "carbon-dioxide enrichment", "Biomass", "Photosynthesis", "elevated atmospheric co2", "crown architecture", "net primary production", "04 agricultural and veterinary sciences", "Carbon Dioxide", "15. Life on land", "Populus", "13. Climate action", "populus-grandidentata", "0401 agriculture", " forestry", " and fisheries", "Plant Shoots"]}, "links": [{"href": "https://doi.org/10.1093/treephys/23.12.805"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Tree%20Physiology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1093/treephys/23.12.805", "name": "item", "description": "10.1093/treephys/23.12.805", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1093/treephys/23.12.805"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2003-08-01T00:00:00Z"}}, {"id": "10.1073/pnas.0509038103", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-07-28T16:18:04Z", "type": "Journal Article", "created": "2006-04-14", "title": "Element interactions limit soil carbon storage", "description": "<p>             Rising levels of atmospheric CO             2             are thought to increase C sinks in terrestrial ecosystems. The potential of these sinks to mitigate CO             2             emissions, however, may be constrained by nutrients. By using metaanalysis, we found that elevated CO             2             only causes accumulation of soil C when N is added at rates well above typical atmospheric N inputs. Similarly, elevated CO             2             only enhances N             2             fixation, the major natural process providing soil N input, when other nutrients (e.g., phosphorus, molybdenum, and potassium) are added. Hence, soil C sequestration under elevated CO             2             is constrained both directly by N availability and indirectly by nutrients needed to support N             2             fixation.           </p>", "keywords": ["Greenhouse Effect", "Nitrogen", "cycles", "fine roots", "Plant Development", "01 natural sciences", "forest", "Soil", "Nitrogen Fixation", "elevated atmospheric co2", "Ecosystem", "0105 earth and related environmental sciences", "model", "biological nitrogen-fixation", "04 agricultural and veterinary sciences", "Carbon Dioxide", "Plants", "15. Life on land", "Carbon", "6. Clean water", "13. Climate action", "climate-change", "0401 agriculture", " forestry", " and fisheries", "grassland", "ecosystem responses", "metaanalysis"]}, "links": [{"href": "https://doi.org/10.1073/pnas.0509038103"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Proceedings%20of%20the%20National%20Academy%20of%20Sciences", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1073/pnas.0509038103", "name": "item", "description": "10.1073/pnas.0509038103", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1073/pnas.0509038103"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2006-04-25T00:00:00Z"}}, {"id": "10.1093/treephys/17.8-9.577", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-07-28T16:18:23Z", "type": "Journal Article", "created": "2012-04-06", "title": "Root Mass, Net Primary Production And Turnover In Aspen, Jack Pine And Black Spruce Forests In Saskatchewan And Manitoba, Canada", "description": "Root biomass, net primary production and turnover were studied in aspen, jack pine and black spruce forests in two contrasting climates. The climate of the Southern Study Area (SSA) near Prince Albert, Saskatchewan is warmer and drier in the summer and milder in the winter than the Northern Study Area (NSA) near Thompson, Manitoba, Canada. Ingrowth soil cores and minirhizotrons were used to quantify fine root net primary production (NPPFR). Average daily fine root growth (m m(-2) day(-1)) was positively correlated with soil temperature at 10-cm depth (r(2) = 0.83-0.93) for all three species, with black spruce showing the strongest temperature effect. At both study areas, fine root biomass (measured from soil cores) and fine root length (measured from minirhizotrons) were less for jack pine than for the other two species. Except for the aspen stands, estimates of NPPFR from minirhizotrons were significantly greater than estimates from ingrowth cores. The core method underestimated NPPFR because it does not account for simultaneous fine root growth and mortality. Minirhizotron NPPFR estimates ranged from 59 g m(-2) year(-1) for aspen stands at SSA to 235 g m(-2) year(-1) for black spruce at NSA. The ratio of NPPFR to total detritus production (aboveground litterfall + NPPFR) was greater for evergreen forests than for deciduous forests, suggesting that carbon allocation patterns differ between boreal evergreen and deciduous forests. In all stands, NPPFR consistently exceeded annual fine root turnover and the differences were larger for stands in the NSA than for stands in the SSA, whereas the difference between study areas was only significant for black spruce. The imbalance between NPPFR and fine root turnover is sufficient to explain the net accumulation of carbon in boreal forest soils.", "keywords": ["carbon balance", "0106 biological sciences", "detritus production", "550", "fine roots", "04 agricultural and veterinary sciences", "15. Life on land", "BOREAS", "01 natural sciences", "root turnover", "0401 agriculture", " forestry", " and fisheries", "boreal forests", "soil carbon", "Forest Sciences"], "contacts": [{"organization": "Steele, Sarah J., Gower, Stith T., Vogel, Jason G., Norman, John M.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1093/treephys/17.8-9.577"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Tree%20Physiology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1093/treephys/17.8-9.577", "name": "item", "description": "10.1093/treephys/17.8-9.577", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1093/treephys/17.8-9.577"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "1997-08-01T00:00:00Z"}}, {"id": "10.1111/gcb.12039", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-28T16:18:37Z", "type": "Journal Article", "created": "2012-09-25", "title": "Tree Species Diversity Interacts With Elevated Co2to Induce A Greater Root System Response", "description": "Abstract<p>As a consequence of land\uffe2\uff80\uff90use change and the burning of fossil fuels, atmospheric concentrations of CO2 are increasing and altering the dynamics of the carbon cycle in forest ecosystems. In a number of studies using single tree species, fine root biomass has been shown to be strongly increased by elevated CO2. However, natural forests are often intimate mixtures of a number of co\uffe2\uff80\uff90occurring species. To investigate the interaction between tree mixture and elevated CO2, Alnus glutinosa, Betula pendula and Fagus sylvatica were planted in areas of single species and a three species polyculture in a free\uffe2\uff80\uff90air CO2 enrichment study (BangorFACE). The trees were exposed to ambient or elevated CO2 (580\uffc2\uffa0\uffce\uffbcmol\uffc2\uffa0mol\uffe2\uff88\uff921) for 4\uffc2\uffa0years. Fine and coarse root biomass, together with fine root turnover and fine root morphological characteristics were measured. Fine root biomass and morphology responded differentially to the elevated CO2 at different soil depths in the three species when grown in monocultures. In polyculture, a greater response to elevated CO2 was observed in coarse roots to a depth of 20\uffc2\uffa0cm, and fine root area index to a depth of 30\uffc2\uffa0cm. Total fine root biomass was positively affected by elevated CO2 at the end of the experiment, but not by species diversity. Our data suggest that existing biogeochemical cycling models parameterized with data from species grown in monoculture may be underestimating the belowground response to global change.</p>", "keywords": ["0106 biological sciences", "570", "fine roots", "04 agricultural and veterinary sciences", "Carbon Dioxide", "15. Life on land", "Plant Roots", "01 natural sciences", "free-air CO2 enrichment", "Trees", "mixture", "Polyculture", "Temperate forest", "monoculture", "Species Specificity", "13. Climate action", "temperate forest", "Mixture", "Monoculture", "polyculture", "0401 agriculture", " forestry", " and fisheries", "Free-air CO2 enrichment", "Fine roots", "Biomass"]}, "links": [{"href": "https://doi.org/10.1111/gcb.12039"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Global%20Change%20Biology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/gcb.12039", "name": "item", "description": "10.1111/gcb.12039", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/gcb.12039"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-11-01T00:00:00Z"}}, {"id": "10.1111/j.1365-2486.2007.01321.x", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-28T16:18:46Z", "type": "Journal Article", "created": "2007-03-02", "title": "Effects Of Elevated Atmospheric Co2, Cutting Frequency, And Differential Day/Night Atmospheric Warming On Root Growth And Turnover Of Phalaris Swards", "description": "Abstract<p>We investigated seasonal root production and root turnover of fertilized and well\uffe2\uff80\uff90watered monocultures of Phalaris for 2 years using minirhizotrons installed in six newly designed temperature gradient tunnels, combined with sequential soil coring. Elevated atmospheric CO2 treatments were combined with two cutting frequencies and three warming scenarios: no warming, +3.0/+3.0 and +2.2/+4.0\uffc2\uffb0C (day/night) atmospheric warming. The elevated CO2 treatment increased both new and net root length production primarily when combined with atmospheric warming, where the constant warming treatment had a greater positive effect than the increased night\uffe2\uff80\uff90time warming treatment. Responses to elevated CO2 were greater when the swards were cut more frequently and responsiveness varied with season. For Phalaris swards, 17% of total net primary productivity went belowground. On account of root turnover, only one\uffe2\uff80\uff90third of the new roots produced in the year following establishment could be expected, on average, to be recovered from soil cores. The interaction between the effects of CO2 and warming, combined with the differential effects of the two warming treatments, has important implications for modelling belowground responses to projected climate change.</p>", "keywords": ["580", "2. Zero hunger", "0106 biological sciences", "net primary production", "Minirhizotron", "04 agricultural and veterinary sciences", "15. Life on land", "carbon dioxide enrichment", "fine root", "01 natural sciences", "Root turnover", "Keywords: belowground production", "climate change", "Defoliation", "13. Climate action", "Phalaris Biomass allocation", "Night-time warming", "Pasture", "0401 agriculture", " forestry", " and fisheries", "CO2", "Fine roots", "biomass allocation"]}, "links": [{"href": "https://openresearch-repository.anu.edu.au/bitstream/1885/54642/5/Volder_Gifford_Evans_-_Elevated_atmospheric_CO2_Phalaris.pdf.jpg"}, {"href": "https://openresearch-repository.anu.edu.au/bitstream/1885/54642/7/01_Volder_Effects_of_elevated_2007.pdf.jpg"}, {"href": "https://doi.org/10.1111/j.1365-2486.2007.01321.x"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Global%20Change%20Biology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/j.1365-2486.2007.01321.x", "name": "item", "description": "10.1111/j.1365-2486.2007.01321.x", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/j.1365-2486.2007.01321.x"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2007-03-02T00:00:00Z"}}, {"id": "10.1111/j.1469-8137.2008.02564.x", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-07-28T16:18:53Z", "type": "Journal Article", "created": "2008-07-14", "title": "Soil Respiration, Root Biomass, And Root Turnover Following Long-Term Exposure Of Northern Forests To Elevated Atmospheric Co2and Tropospheric O3", "description": "The Rhinelander free-air CO(2) enrichment (FACE) experiment is designed to understand ecosystem response to elevated atmospheric carbon dioxide (+CO(2)) and elevated tropospheric ozone (+O(3)). The objectives of this study were: to understand how soil respiration responded to the experimental treatments; to determine whether fine-root biomass was correlated to rates of soil respiration; and to measure rates of fine-root turnover in aspen (Populus tremuloides) forests and determine whether root turnover might be driving patterns in soil respiration. Soil respiration was measured, root biomass was determined, and estimates of root production, mortality and biomass turnover were made. Soil respiration was greatest in the +CO(2) and +CO(2) +O(3) treatments across all three plant communities. Soil respiration was correlated with increases in fine-root biomass. In the aspen community, annual fine-root production and mortality (g m(-2)) were positively affected by +O(3). After 10 yr of exposure, +CO(2) +O(3)-induced increases in belowground carbon allocation suggest that the positive effects of elevated CO(2) on belowground net primary productivity (NPP) may not be offset by negative effects of O(3). For the aspen community, fine-root biomass is actually stimulated by +O(3), and especially +CO(2) +O(3).", "keywords": ["Greenhouse Effect", "2. Zero hunger", "Atmosphere", "Climate Change", "Science", "Natural Resources and Environment", "04 agricultural and veterinary sciences", "Carbon Dioxide", "15. Life on land", "Plant Roots", "Trees", "Soil", "Ozone", "Populus", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "Global Change", "Biomass", "Ozone (O 3 )", "Ecosystem", "Carbon Allocation", "Carbon Dioxide (CO 2 )", "Fine Roots"]}, "links": [{"href": "https://doi.org/10.1111/j.1469-8137.2008.02564.x"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/New%20Phytologist", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/j.1469-8137.2008.02564.x", "name": "item", "description": "10.1111/j.1469-8137.2008.02564.x", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/j.1469-8137.2008.02564.x"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-09-02T00:00:00Z"}}, {"id": "10.5061/dryad.2ngf1vhnd", "type": "Feature", "geometry": null, "properties": {"license": "unspecified", "updated": "2026-07-28T16:21:04Z", "type": "Dataset", "title": "Tree species richness and soil organic carbon stock", "description": "Recently, the perspectives for the stronger persistence of soil organic  carbon (SOC) caused by the higher molecular diversity of organic compounds  were proposed. Therefore, the effects of tree species richness and  composition on the diversity of molecular components of SOC need to be  explored. In this study, we collected data on tree species diversity and  composition, SOC concentration, chemical composition, litter and fine root  properties, and examined the relationships between the richness,  composition and functional diversity of tree species, and the evenness of  SOC chemical compositions at a molecular level by 13C nuclear magnetic  resonance, across six natural forest types encompassing a diversity  gradient, ranging from cold temperate to tropical forests. Across the  range, tree species richness correlated to the evenness of SOC chemical  components through tree species composition. The negative correlation of  evenness of SOC chemical components with tree species composition and the  positive correlation of evenness of SOC chemical components with tree  functional diversity were found. The positive correlation of the evenness  of SOC chemical components with indicator tree species. These findings  suggest that the indicator tree species conservation might be preferable  to simply increasing tree species richness, for enhancing the potential  resistance of SOC to decomposition.", "keywords": ["leaf litter", "carbon (C)", "FOS: Agriculture", " forestry", " and fisheries", "14. Life underwater", "Fine roots", "15. Life on land"], "contacts": [{"organization": "Wang, Hui", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5061/dryad.2ngf1vhnd"}, {"rel": "self", "type": "application/geo+json", "title": "10.5061/dryad.2ngf1vhnd", "name": "item", "description": "10.5061/dryad.2ngf1vhnd", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5061/dryad.2ngf1vhnd"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-02-28T00:00:00Z"}}, {"id": "10.5061/dryad.sbcc2frbh", "type": "Feature", "geometry": null, "properties": {"license": "unspecified", "updated": "2026-07-28T16:21:14Z", "type": "Dataset", "title": "Root functional traits determine the magnitude of the rhizosphere priming effect among eight tree species", "description": "Rhizosphere priming effect\u00a0can accelerate or decelerate the  decomposition of soil organic matter.\u00a0Using a natural abundance  13C tracer method allowing partitioning of native soil organic carbon  (SOC) decomposition and plant rhizosphere respiration, we studied the  effects of eight tree species on the strength of the rhizosphere priming.  All tree species enhanced the rate of SOC decomposition, by 82% on  average.\u00a0Mean diameter of first-order roots and root  exudate-derived respiration were positively correlated with the RPE,  together explaining a large part of the observed variation in the RPE (R2  = 0.72), whereas root branching density was negatively associated with the  RPE. Path analyses further suggested that mean diameter of first-order  roots was the main driver of the RPE owing to its positive direct effect  on the RPE and its indirect effects via root exudate-derived respiration  and root branching density. These results demonstrate that the magnitude  of the RPE is regulated by complementary aspects of root morphology,  architecture and physiology, implying that comprehensive approaches are  needed to reveal the multiple mechanisms driving plant effects on the RPE.", "keywords": ["13C natural abundance", "Plant functional traits", "rhizosphere priming effect", "Fine roots", "15. 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