{"type": "FeatureCollection", "features": [{"id": "10.1007/s004420050581", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:14:26Z", "type": "Journal Article", "created": "2002-08-25", "title": "Responses Of Communities Of Tropical Tree Species To Elevated Co2 In A Forest Clearing", "description": "Communities of ten species of tropical forest tree seedlings from three successional classes were grown at ambient and elevated CO2 in large open-top chambers on the edge of a forest in Panam\u00e1. Communities grew from 20\u2009cm to approximately 2\u2009m in height in 6 months. No enhancements in plant biomass accumulation occurred under elevated CO2 either in the whole communities or in growth of individual species. Reductions in leaf area index under elevated CO2 were observed, as were decreases in leaf nitrogen concentrations and increases in the C:N ratio of leaf tissue. Species tended to respond individualistically to elevated CO2, but some generalizations of how successional groupings responded could be made. Early and mid-successional species generally showed greater responses to elevated CO2 than late-successional species, particularly with respect to increases in photosynthetic rates and leaf starch concentrations, and reductions in leaf area ratio. Late-successional species showed greater increases in C:N ratios in response to elevated CO2 than did other species. Our results indicate that there may not be an increase in the growth of regenerating tropical forest under elevated CO2, but that there could be changes in soil nutrient availability because of reductions in leaf tissue quality, particularly in late-successional species.", "keywords": ["Successional status", "0106 biological sciences", "Biomass allocation", "Leaf chemistry", "1060 Biologie", "Elevated CO2", "Tropical forest tree species", "1060 Biology", "15. Life on land", "2303 Ecology", "01 natural sciences"]}, "links": [{"href": "https://doi.org/10.1007/s004420050581"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Oecologia", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s004420050581", "name": "item", "description": "10.1007/s004420050581", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s004420050581"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "1998-08-10T00:00:00Z"}}, {"id": "10.1007/s11258-010-9720-2", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:14:54Z", "type": "Journal Article", "created": "2010-02-03", "title": "Molinia Caerulea Responses To N And P Fertilisation In A Dry Heathland Ecosystem (Nw-Germany)", "description": "In the present study we analysed whether airborne N pollution may constitute one important driver for the encroachment of Molinia caerulea in dry heathland ecosystems. Based on full-factorial field experiments (in 2006 and 2008) and complementary greenhouse experiments (in 2008), we quantified growth responses of Molinia caerulea to N and P fertilisation (50 kg N ha\u22121 year\u22121, 20 kg P ha\u22121 year\u22121). Aboveground biomass production of Moliniacaerulea was limited by P in 2006, but by N in both experiments in 2008. In the greenhouse experiment, N addition caused a sixfold increase of the biomass of vegetative tillers, and in all experiments the biomass and numbers of flowering tillers showed a significant increase due to fertilisation. Our experiments indicated that growth of Molinia caerulea was primarily limited by N, but in dry heaths the kind of nutrient limitation may be mediated by other factors such as water availability during the vegetative period. Shifts in biomass allocation patterns resulting from N fertilisation showed that Moliniacaerulea encroachment in dry heaths is not only attributable to increased leaf biomass, but also due to higher investments in reproductive tissue that allow for increased seed production and thus accelerated encroachment of seedlings in places where the dwarf shrub canopy has been opened after disturbance.", "keywords": ["/dk/atira/pure/core/keywords/559922418; name=Biology", "0106 biological sciences", "Biomass allocation", "N:P ratio", "Nutrient limitation", "Phosphorous supply", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "/dk/atira/pure/core/keywords/biology; name=Ecosystems Research", "15. Life on land", "01 natural sciences", "Productivity"]}, "links": [{"href": "https://doi.org/10.1007/s11258-010-9720-2"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plant%20Ecology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s11258-010-9720-2", "name": "item", "description": "10.1007/s11258-010-9720-2", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s11258-010-9720-2"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-02-04T00:00:00Z"}}, {"id": "10.1016/j.agrformet.2025.110749", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:15:19Z", "type": "Journal Article", "created": "2025-07-19", "title": "Contribution of aboveground and belowground biomass of Robinia pseudoacacia trees to total plant carbon stocks in a young agroforestry system", "description": "Allocation to aboveground and belowground compartments of tree biomass in Mediterranean agroforestry systems (AFS) is poorly documented, especially for young trees. This work aimed at (i) characterizing the effects of land use (Agroforestry, AF vs. Tree Plantation, TP) on 5-year-old black locust tree growth, tree biomass allocation, and tree C stocks at plot scale, and (ii) assessing the effect of land use on total carbon stocks (AF vs. TP vs. Crop Monoculture). Allometric equations were built for upscaling tree biomass at the plot scale. Biomass of understory vegetation and crops were estimated at the plot scale in the three land uses. Tree diameter was 19 % higher in the AF than in TP, likely due to different light microclimate, while tree height did not vary significantly between land uses. Tree biomass allocation to aboveground and belowground compartments (70 % and 30 % of total tree biomass, respectively) did not vary between land uses. Higher efficiency in building tree carbon stock was shown in agroforestry than in tree plantation per area unit. Trees accounted for 39 % and 66 % of total carbon stocks in biomass in AF and TP, respectively. Understory vegetation accounted for 8 % and 34 % of total carbon stocks in biomass in AF and TP, respectively. Land equivalent ratio values, which involved tree, crop and understory vegetation carbon stocks, did not yet indicate a synergetic effect on accumulation of plant carbon compared to sole crop or tree plantations. This study provides new reference values of carbon stocks in biomass in a young AFS.", "keywords": ["http://aims.fao.org/aos/agrovoc/c_330982", "plant", "Triticum turgidum", "utilisation des terres", "syst\u00e8mes agroforestiers", "Biomass allocation", "http://aims.fao.org/aos/agrovoc/c_16111", "enracinement", "http://aims.fao.org/aos/agrovoc/c_3081", "biomasse", "http://aims.fao.org/aos/agrovoc/c_1666", "http://aims.fao.org/aos/agrovoc/c_1301", "Agroforestry", "agroforesterie", "Black locust", "changement climatique", "Allometry", "biomasse souterraine", "http://aims.fao.org/aos/agrovoc/c_363a2055", "Robinia", "http://aims.fao.org/aos/agrovoc/c_331583", "croissance", "Roots", "http://aims.fao.org/aos/agrovoc/c_207", "[SDV] Life Sciences [q-bio]", "s\u00e9questration du carbone", "Carbon stocks", "http://aims.fao.org/aos/agrovoc/c_926", "http://aims.fao.org/aos/agrovoc/c_3394", "Biomass production", "Robinia pseudoacacia", "http://aims.fao.org/aos/agrovoc/c_6624", "http://aims.fao.org/aos/agrovoc/c_6625", "http://aims.fao.org/aos/agrovoc/c_4182", "http://aims.fao.org/aos/agrovoc/c_7958", "http://aims.fao.org/aos/agrovoc/c_6649", "France", "carbone"]}, "links": [{"href": "https://doi.org/10.1016/j.agrformet.2025.110749"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agricultural%20and%20Forest%20Meteorology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agrformet.2025.110749", "name": "item", "description": "10.1016/j.agrformet.2025.110749", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agrformet.2025.110749"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2025-10-01T00:00:00Z"}}, {"id": "10.1111/j.1365-2486.2007.01321.x", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:18:42Z", "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": "10.1111/1365-2745.12593", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:18:26Z", "type": "Journal Article", "created": "2016-04-22", "title": "Drought History Affects Grassland Plant And Microbial Carbon Turnover During And After A Subsequent Drought Event", "description": "Summary<p>   <p>Drought periods are projected to become more severe and more frequent in many European regions. While effects of single strong droughts on plant and microbial carbon (C) dynamics have been studied in some detail, impacts of recurrent drought events are still little understood.</p>  <p>We tested whether the legacy of extreme experimental drought affects responses of plant and microbial C and nitrogen (N) turnover to further drought and rewetting. In a mountain grassland, we conducted a 13C pulse\uffe2\uff80\uff90chase experiment during a naturally occurring drought and rewetting event in plots previously exposed to experimental droughts and in ambient controls (AC). After labelling, we traced 13C below\uffe2\uff80\uff90ground allocation and incorporation into soil microbes using phospholipid fatty acid biomarkers.</p>  <p>Drought history (DH) had no effects on the standing shoot and fine root plant biomass. However, plants with experimental DH displayed decreased shoot N concentrations and increased fine root N concentrations relative to those in AC. During the natural drought, plants with DH assimilated and allocated less 13C below\uffe2\uff80\uff90ground; moreover, fine root respiration was reduced and not fuelled by fresh C compared to plants in AC.</p>  <p>Regardless of DH, microbial biomass remained stable during natural drought and rewetting. Although microbial communities initially differed in their composition between soils with and without DH, they responded to the natural drought and rewetting in a similar way: gram\uffe2\uff80\uff90positive bacteria increased, while fungal and gram\uffe2\uff80\uff90negative bacteria remained stable. In soils with DH, a strongly reduced uptake of recent plant\uffe2\uff80\uff90derived 13C in microbial biomarkers was observed during the natural drought, pointing to a smaller fraction of active microbes or to a microbial community that is less dependent on plant C.</p>  <p>Synthesis. Drought history can induce changes in above\uffe2\uff80\uff90 vs. below\uffe2\uff80\uff90ground plant N concentrations and affect the response of plant C turnover to further droughts and rewetting by decreasing plant C uptake and below\uffe2\uff80\uff90ground allocation. DH does not affect the responses of the microbial community to further droughts and rewetting, but alters microbial functioning, particularly the turnover of recent plant\uffe2\uff80\uff90derived carbon, during and after further drought periods.</p>  </p>", "keywords": ["0301 basic medicine", "plant-soil (below-ground) interactions", "NITROGEN TURNOVER", "Biomass Allocation", "microbial community composition", "Negibacteria", "drought", "phospholipid fatty acid", "nitrogen", "Microbial community composition", "Plant\u2013Soil (Below\u2010ground) Interactions", "Recovery", "ROOT RESPIRATION", "Plant-soil (below-ground) interactions", "CLIMATE EXTREMES", "C pulse labelling", "Below-ground carbon allocation", "2. Zero hunger", "106022 Mikrobiologie", "0303 health sciences", "SOIL INTERACTIONS", "below-ground carbon allocation", "C-13 pulse labelling", "Grassland", "6. Clean water", "Europe", "Phospholipid", "ORGANIC-MATTER", "Mountain Region", "Posibacteria", "DIOXIDE PULSES", "Phospholipid fatty acid", "106022 Microbiology", "Root/shoot Ratio", "Belowground Biomass", "Ecosystem Resilience", "Nitrogen", "Microbial Community", "Carbon Isotope", "Soil-vegetation Interaction", "recovery", "SUMMER DROUGHT", "03 medical and health sciences", "Rewetting", "Community Composition", "plant\u2013soil (below-ground) interactions", "WATER-STRESS", "resilience", "Drought", "Resilience", "RESILIENCE", "15. Life on land", "Turnover", "Microbial Activity", "13. Climate action", "Fatty Acid", "RESPONSES"]}, "links": [{"href": "https://doi.org/10.1111/1365-2745.12593"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Journal%20of%20Ecology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/1365-2745.12593", "name": "item", "description": "10.1111/1365-2745.12593", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/1365-2745.12593"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2016-05-24T00:00:00Z"}}, {"id": "10.2307/2657091", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:20:19Z", "type": "Journal Article", "created": "2007-02-02", "title": "Family- And Population-Level Responses To Atmospheric Co-2 Concentration: Gas Exchange And The Allocation Of C, N, And Biomass In Plantago Lanceolata (Plantaginaceae)", "description": "<p>To ascertain the inheritance of responses to changing atmospheric CO2 content, we partitioned response to elevated CO2 in Plantago lanceolata between families and populations in 18 families in two populations. Plants were grown in 35 Pa and 71 Pa partial pressure of CO2 (pCO2) in open\uffe2\uff80\uff90top chambers. We measured above\uffe2\uff80\uff90 and belowground mass, carbon (C), nitrogen (N), hexose sugar, and gas exchange properties in both CO2 treatments. Families within populations differed in mass, mass allocation, root\uffe2\uff80\uff89:\uffe2\uff80\uff89shoot ratios, aboveground percentage N, C\uffe2\uff80\uff89:\uffe2\uff80\uff89N ratio, and gas exchange properties. The CO2 \uffc3\uff97 family interaction is the main indicator of potential evolutionary responses to changing CO2. Significant CO2 \uffc3\uff97 family interactions were observed for N content, C\uffe2\uff80\uff89:\uffe2\uff80\uff89N ratio, and photosynthetic rate (A: instantaneous light\uffe2\uff80\uff90saturated carbon assimilation capacity), intercellular CO2 concentration, transpiration rate (E), and water use efficiency (WUE = A/E), but not for stomatal conductance. Families differed significantly in acclimation across time. The ratio of A in elevated vs. ambient growth CO2, when measured at a common internal CO2 partial pressure was 0.79, indicating down\uffe2\uff80\uff90regulation of A under CO2 enrichment. Mass, C\uffe2\uff80\uff89:\uffe2\uff80\uff89N ratio, percentage, C (%C), and soluble sugar all increased significantly but overall %N did not change. Increases in %C and sugar were significant and were coincident with redistribution of N aboveground. The observed variation among populations and families in response to CO2 is evidence of genetic variation in response and therefore of the potential for novel evolutionary trajectories with rising atmospheric CO2.</p>", "keywords": ["2. Zero hunger", "0106 biological sciences", "0301 basic medicine", "elevated CO2", "photosynthesis", "Science", "Botany", "nitrogen assimilation", "Plantaginaceae", "gas exchange", "01 natural sciences", "6. Clean water", "03 medical and health sciences", "Plantago lanceolata", "genetic variation", "biomass allocation", "Biology"], "contacts": [{"organization": "Jenkins Klus, Dawn, Kalisz, Susan, Curtis, Peter S., Teeri, James A., Tonsor, Stephen J.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.2307/2657091"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/American%20Journal%20of%20Botany", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.2307/2657091", "name": "item", "description": "10.2307/2657091", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.2307/2657091"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2001-06-01T00:00:00Z"}}, {"id": "10.4067/s0718-95162011000400003", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:21:11Z", "type": "Journal Article", "created": "2012-01-09", "title": "Effects Of Grazing On The Soil Properties And C And N Storage In Relation To Biomass Allocation In An Alpine Meadow", "description": "Livestock grazing is one of the most important factors influencing the above-ground community composition and structure in a natural grassland ecosystem. Different grazing intensities also have the potential to alter soil C and N storage substantially in grasslands. We conducted a field community study and soil analyses to determine the effects of different grazing intensities on the above-ground community and soil properties in an alpine meadow on the Tibetan Plateau. Our results showed the following: (i) the vegetation height, coverage, and above-ground biomass significantly declined with increased grazing intensity, but the species richness reached the highest level in a moderate-grazing intensity meadow; (ii) grazing had a significant positive effect on soil properties in that the soil moisture content, soil organic carbon concentration, soil total nitrogen concentration, soil available nitrogen, soil total phosphorus, and soil available phosphorus significantly increased with increased grazing pressure; and (iii) soil C and N storage also significantly increased with increased grazing pressure; altogether, these increases had a significant positive cor relation with the increase of below-ground biomass allocation. Our results indicated that higher grazing intensity might have a potentially positive effect to increase the soil C and N storage in alpine meadows. However, from a long-term perspective, moderate grazing may help to achieve a balance between species diversity protection, livestock production and soil C and N management.", "keywords": ["2. Zero hunger", "grazing intensity", "13. Climate action", "carbon", "soil properties", "above-ground community", "alpine grassland", "biomass allocation", "15. Life on land", "nitrogen"]}, "links": [{"href": "https://doi.org/10.4067/s0718-95162011000400003"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Journal%20of%20soil%20science%20and%20plant%20nutrition", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.4067/s0718-95162011000400003", "name": "item", "description": "10.4067/s0718-95162011000400003", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.4067/s0718-95162011000400003"}, {"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"}}], "links": [{"rel": "self", "type": "application/geo+json", "title": "This document as GeoJSON", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=Biomass+Allocation&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=Biomass+Allocation&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": "first", "title": "items (first)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=Biomass+Allocation&", "hreflang": "en-US"}, {"rel": "last", "type": "application/geo+json", "title": "items (last)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=Biomass+Allocation&offset=7", "hreflang": "en-US"}], "numberMatched": 7, "numberReturned": 7, "distributedFeatures": [], "timeStamp": "2026-07-27T14:56:47.287506Z"}