{"type": "FeatureCollection", "features": [{"id": "38387558", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-05-01T16:26:18Z", "type": "Journal Article", "created": "2024-02-20", "title": "Topsoil porosity prediction across habitats at large scales using environmental variables", "description": "Soil porosity and its reciprocal bulk density are important environmental state variables that enable modelers to represent hydraulic function and carbon storage. Biotic effects and their 'dynamic' influence on such state variables remain largely unknown for larger scales and may result in important, yet poorly quantified environmental feedbacks. Existing representation of hydraulic function is often invariant to environmental change and may be poor in some systems, particularly non-arable soils. Here we assess predictors of total porosity across two comprehensive national topsoil (0-15\u00a0cm) data sets, covering the full range of soil organic matter (SOM) and habitats (n\u00a0=\u00a01385 & n\u00a0=\u00a02570), using generalized additive mixed models and machine learning. Novel aspects of this work include the testing of metrics on aggregate size and livestock density alongside a range of different particle size distribution metrics. We demonstrate that porosity trends in Great Britain are dominated by biotic metrics, soil carbon and land use. Incorporating these variables into porosity prediction improves performance, paving the way for new dynamic calculation of porosity using surrogate measures with remote sensing, which may help improve prediction in data sparse regions of the world. Moreover, dynamic calculation of porosity could support representation of feedbacks in environmental and Earth System Models. Representing the hydrological feedbacks from changes in structural porosity also requires data and models at appropriate spatial scales to capture conditions leading to near-saturated soil conditions. Classification. Environmental Sciences.", "keywords": ["land use change", "soil compaction", "climate change", "earth system model", "13. Climate action", "soil porosity", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "soil carbon", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/38387558"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Science%20of%20The%20Total%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "38387558", "name": "item", "description": "38387558", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/38387558"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2024-04-01T00:00:00Z"}}, {"id": "605db9d5-b7ca-4e75-ac18-949a130587b3", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[6.53, 49.03], [6.53, 53.49], [13.49, 53.49], [13.49, 49.03], [6.53, 49.03]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "greenhouse gas emissions"}, {"id": "land use change"}, {"id": "alley cropping"}, {"id": "carbon sequestration"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "opendata"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}, {"id": "land use classification"}], "scheme": "GEMET - Concepts, version 2.4"}], "license": "CC BY", "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the BonaRes Module A-Project - BonaRes - SIGNAL's research activities.\" Although every care has been taken in preparing and testing the data, the BonaRes Module A-Project - BonaRes - SIGNAL and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the BonaRes Module A-Project - BonaRes - SIGNAL and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The BonaRes Module A-Project - BonaRes - SIGNAL and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data.", "updated": "2023-04-14", "type": "Dataset", "created": "2023-02-27", "language": "eng", "title": "Soil CO2 and CH4 fluxes in cropland agroforestry and monoculture systems", "description": "This data set includes data on soil Soil CO2 and CH4 fluxes, soil temperature, water-filled pore space, and mineral N (NH4+ and NO3-) measured at three sites in Germany, where the agroforestry systems combined crop rows and hybrid poplar short rotation coppices. We systematically compared soil Soil CO2 and CH4 fluxes between cropland agroforestry and monoculture systems over two years following different crop rotations and fertilization rates at each site. Each site is represented by 4 replicates per land use, at the following distances from the tree row for agroforestry: 1 m, 7 m and 24 m. Research domain: Soil Sciences Research question: In present, no systematic comparison was conducted of soil Soil CO2 and CH4 fluxes between cropland agroforestry and monoculture systems in temperate Europe\n\nResearch domain: Soil Sciences\n\nResearch question: Agroforestry system is gaining increasing interests due to its potential to enhance carbon (C) sequestration and mitigate greenhouse gas (GHG) emissions in agriculture. To date, the effects of agroforestry on the spatial-temporal dynamics of soil carbon dioxide (CO2) and methane (CH4) fluxes are still poorly qualified.", "formats": [{"name": "CSV"}], "keywords": ["Soil", "greenhouse gas emissions", "land use change", "alley cropping", "carbon sequestration", "opendata", "Boden", "land use classification"], "contacts": [{"name": "Guodong Shao", "organization": "Soil Science of Tropical and Subtropical Ecosystems, Faculty of Forest Sciences and Forest Ecology, University of Goettingen", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "sguadon@gwdg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0001-7122-1319", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Edzo Veldkamp", "organization": "Soil Science of Tropical and Subtropical Ecosystems, Faculty of Forest Sciences and Forest Ecology, University of Goettingen", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "eveldka@gwdg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0002-8318-8349", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "BonaRes Data Center", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - Workgroup Research Data Management", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 300"}], "emails": [{"value": "dataservice@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Guntars O. Martinson", "organization": "Soil Science of Tropical and Subtropical Ecosystems, Faculty of Forest Sciences and Forest Ecology, University of Goettingen", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "gmartin@gwdg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0002-5571-0590", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Marife D. 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Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the BonaRes Module A-Project - BonaRes - SIGNAL's research activities.\" Although every care has been taken in preparing and testing the data, the BonaRes Module A-Project - BonaRes - SIGNAL and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the BonaRes Module A-Project - BonaRes - SIGNAL and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The BonaRes Module A-Project - BonaRes - SIGNAL and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data.", "updated": "2024-05-30", "type": "Service", "created": "2023-02-27", "language": "eng", "title": "Web Map Service of the dataset 'Soil CO2 and CH4 fluxes in cropland agroforestry and monoculture systems'", "description": "This Web Map Service includes spatial information used by datasets 'AGIS Map Service of the dataset 'Soil CO2 and CH4 fluxes in cropland agroforestry and monoculture systems''", "formats": [{"name": "CSV"}], "keywords": ["infoMapAccessService", "Soil", "greenhouse gas emissions", "land use change", "alley cropping", "carbon sequestration"], "contacts": [{"name": "Guodong Shao", "organization": "Soil Science of Tropical and Subtropical Ecosystems, Faculty of Forest Sciences and Forest Ecology, University of Goettingen", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "sguadon@gwdg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0001-7122-1319", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Edzo Veldkamp", "organization": "Soil Science of Tropical and Subtropical Ecosystems, Faculty of Forest Sciences and Forest Ecology, University of Goettingen", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "eveldka@gwdg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0002-8318-8349", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "BonaRes Data Center", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - Workgroup Research Data Management", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 300"}], "emails": [{"value": "dataservice@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Guntars O. Martinson", "organization": "Soil Science of Tropical and Subtropical Ecosystems, Faculty of Forest Sciences and Forest Ecology, University of Goettingen", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "gmartin@gwdg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0002-5571-0590", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Marife D. 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Belowground root competition from surrounding vegetation and aboveground light competition are two important factors affecting seedling establishment. However, few studies have jointly examined the effect of belowground root and light competition on seedling establishment, especially under long-term nitrogen addition and mowing. Here, we examined how belowground root competition from surrounding vegetation and aboveground light competition affect seedling establishment within a long-term nitrogen addition and mowing experiment. Seedlings of two grasses (Stipa krylovii and Cleistogenes squarrosa) were grown with and without belowground root competition under control, nitrogen addition, and mowing treatments, and their growth characteristics were monitored. The seedlings of the two grasses achieved higher total biomass, height, mean shoot and root mass, but a lower root/shoot ratio in the absence than in the presence of belowground root competition. Nitrogen addition significantly decreased shoot biomass, root biomass, and the survival of the two grasses. Regression analyses revealed that the biomass of the two grass was strongly negatively correlated with net primary productivity under belowground root competition, but with the intercept photosynthetic active radiation in the absence of belowground root competition. This experiment demonstrates that belowground root competition can alter the grass seedling establishment response to light in a long-term nitrogen addition and mowing experiment.</p", "keywords": ["belowground competition", "land use change", "0106 biological sciences", "2. Zero hunger", "Plant culture", "Plant Science", "04 agricultural and veterinary sciences", "15. 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