Quantifying global patterns of terrestrial nitrogen (N) cycling is central to predicting future patterns of primary productivity, carbon sequestration, nutrient fluxes to aquatic systems and climate forcing. With limited direct measures of soil N cycling at the global scale, syntheses of the 15N:14N ratio of soil organic matter across climate gradients provide key insights into understanding global patterns of N cycling. In synthesizing data from over 6000 soil samples, we show strong global relationships among soil N isotopes, mean annual temperature (MAT), mean annual precipitation (MAP) and the concentrations of organic carbon and clay in soil. In both hot ecosystems and dry ecosystems, soil organic matter was more enriched in 15N than in corresponding cold ecosystems or wet ecosystems. Below a MAT of 9.8\uffc2\uffb0C, soil \uffce\uffb415N was invariant with MAT. At the global scale, soil organic C concentrations also declined with increasing MAT and decreasing MAP. After standardizing for variation among mineral soils in soil C and clay concentrations, soil \uffce\uffb415N showed no consistent trends across global climate and latitudinal gradients. Our analyses could place new constraints on interpretations of patterns of ecosystem N cycling and global budgets of gaseous N loss.
", "keywords": ["N-15 Natural-Abundance", "550", "Ecosystem ecology", "TROPICAL FORESTS", "Organic chemistry", "Suelo", "Nitrogen cycle", "01 natural sciences", "Nutrient cycle", "cycle de l'azote", "CARBON", "Agricultural and Biological Sciences", "Soil", "Terrestrial ecosystem", "Isotopes", "https://purl.org/becyt/ford/1.6", "Soil water", "SDG 13 - Climate Action", "N-15 NATURAL-ABUNDANCE", "Climate change", "croisement de donn\u00e9es", "Milieux et Changements globaux", "SDG 15 \u2013 Leben an Land", "Global change", "SDG 15 - Life on Land", "2. Zero hunger", "106022 Mikrobiologie", "Climatic Factors", "Tropical Forests", "Ecology", "Geography", "Nitr\u00f3geno", "Nutrient Cycling", "FRACTIONATION", "Litter Decomposition", "ECOSYSTEM ECOLOGY", "Life Sciences", "ecosystem ecology", "Cycling", "Forestry", "Is\u00f3topos", "Carbon cycle", "04 agricultural and veterinary sciences", "Nitrogen Cycle", "Soil carbon", "6. Clean water", "Organic-Matter", "Earth and Planetary Sciences", "ORGANIC-MATTER", "Chemistry", "PRECIPITATION", "SDG 13 \u2013 Ma\u00dfnahmen zum Klimaschutz", "Physical Sciences", "106022 Microbiology", "carbone du sol", "Stable Isotope Analysis of Groundwater and Precipitation", "Ecosystem Functioning", "570", "STABLE ISOTOPE", "Biogeochemical Cycling of Nutrients in Aquatic Ecosystems", "Stable isotope analysis", "Nitrogen", "[SDE.MCG]Environmental Sciences/Global Changes", "Soil Science", "stable isotope analysis;ecosystem ecology", "Article", "Environmental science", "LITTER DECOMPOSITION", "sol min\u00e9ral", "INORGANIC NITROGEN", "Geochemistry and Petrology", "stable isotope analysis", "Carbono", "Environmental Chemistry", "Factores Clim\u00e1ticos", "https://purl.org/becyt/ford/1", "Biology", "Ecosystem", "0105 earth and related environmental sciences", "Soil science", "Soil organic matter", "Soil Fertility", "climat", "AVAILABILITY", "Nitrogen Dynamics", "15. Life on land", "Carbon", "Inorganic", "NITROGEN", "MODEL", "[SDE.MCG] Environmental Sciences/Global Changes", "13. Climate action", "FOS: Biological sciences", "Environmental Science", "PATTERNS", "0401 agriculture", " forestry", " and fisheries", "Soil Carbon Dynamics and Nutrient Cycling in Ecosystems"]}, "links": [{"href": "https://scholars.unh.edu/context/faculty_pubs/article/1042/viewcontent/srep08280.pdf"}, {"href": "https://edoc.unibas.ch/37215/1/srep08280.pdf"}, {"href": "https://doi.org/10.1038/srep08280"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Scientific%20Reports", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1038/srep08280", "name": "item", "description": "10.1038/srep08280", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1038/srep08280"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2015-02-06T00:00:00Z"}}, {"id": "10.17221/445/2015-pse", "type": "Feature", "geometry": null, "properties": {"updated": "2026-05-24T16:19:27Z", "type": "Journal Article", "created": "2016-05-26", "description": "Soil nitrogen (N) cycling is an important factor in terrestrial ecosystems, including grasslands. Understanding the effects of grazing on nitrogen cycling in grassland ecosystems is critical for better management and for improving knowledge of the mechanisms underlying grassland degradation and can provide basic information for sustainable development in grassland ecosystems. In this study, in situ incubation in intact soil cores was used to measure seasonal changes in soil nitrogen mineralization and nitrification in the meadow steppe of the Hulunber grasslands of northeastern China. Soil plots were subjected to varying intensities of cattle grazing, and soil characteristics including several aspects of the nitrogen cycle were analysed. The findings demonstrate that soil inorganic N pools and nitrogen mineralization peaked in August and that moderate grazing intensity produced higher seasonal mean net N mineralization (Amin); net nitrogen mineralization rate (Rmin); net ammonification rate (Ramm) and net nitrification rate (Rnit). Seasonal mean net mineralization rate was increased by 6-15% in the lightly and moderately grazed plots (0.34-0.46 AU cow/ha) and by 4-5% in the heavily grazed plots (0.69-0.92 AU cow/ha). Also it was found that soil moisture was significantly positively correlated with inorganic N, Amin, Ramm and Rmin and significantly negatively correlated with Rnit, while soil temperature exhibited the opposite effect. The obtained results demonstrated net nitrogen mineralization and ammonium rates, which were strongly linked to grazing intensity, soil temperature and soil moisture.", "keywords": ["Plant culture", "nutrient cycling", "inorganic nitrogen", "04 agricultural and veterinary sciences", "nitrogen", "SB1-1110", "grazing intensity", "climate change", "nutrient cycling in ecosystems", "environmental factors", "terrestrial ecosystem", "0401 agriculture", " forestry", " and fisheries", "ecosystems", "climate"]}, "links": [{"href": "http://www.agriculturejournals.cz/publicFiles/184724.pdf"}, {"href": "https://doi.org/10.17221/445/2015-pse"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plant%2C%20Soil%20and%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.17221/445/2015-pse", "name": "item", "description": "10.17221/445/2015-pse", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.17221/445/2015-pse"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2016-05-31T00:00:00Z"}}, {"id": "10.3390/ijerph8051491", "type": "Feature", "geometry": null, "properties": {"updated": "2026-05-24T16:20:26Z", "type": "Journal Article", "created": "2011-05-11", "description": "Application of poultry litter (PL) to soil may lead to nitrogen (N) losses through ammonia (NH3) volatilization and to potential contamination of surface runoff with PL-derived phosphorus (P). Amending litter with acidified biochar may minimize these problems by decreasing litter pH and by retaining litter-derived P, respectively. This study evaluated the effect of acidified biochars from pine chips (PC) and peanut hulls (PH) on NH3 losses and inorganic N and P released from surface-applied or incorporated PL. Poultry litter with or without acidified biochars was surface-applied or incorporated into the soil and incubated for 21 d. Volatilized NH3 was determined by trapping it in acid. Inorganic N and P were determined by leaching the soil with 0.01 M of CaCl2 during the study and by extracting it with 1 M KCl after incubation. Acidified biochars reduced NH3 losses by 58 to 63% with surface-applied PL, and by 56 to 60% with incorporated PL. Except for PH biochar, which caused a small increase in leached NH4+-N with incorporated PL, acidified biochars had no effect on leached or KCl-extractable inorganic N and P from surface-applied or incorporated PL. These results suggest that acidified biochars may decrease NH3 losses from PL but may not reduce the potential for P loss in surface runoff from soils receiving PL.
", "keywords": ["2. Zero hunger", "Water Pollution", "04 agricultural and veterinary sciences", "Phosphorus Compounds", "15. Life on land", "Article", "Poultry", "6. Clean water", "Manure", "acidified biochar; poultry litter; inorganic nitrogen; inorganic phosphorus; ammonia volatilization", "Ammonia", "13. Climate action", "Charcoal", "Animals", "0401 agriculture", " forestry", " and fisheries", "Volatilization", "Nitrogen Compounds"], "contacts": [{"organization": "William P. Miller, Sarah A. Doydora, Keshav C. Das, Julia W. Gaskin, Leticia Sonon, Miguel L. 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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 ZALF Datenerfassung's research activities.\" Although every care has been taken in preparing and testing the data, the ZALF Datenerfassung and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the ZALF Datenerfassung 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 ZALF Datenerfassung and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. 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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 Centre's research activities.\" Although every care has been taken in preparing and testing the data, the BonaRes Centre and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the BonaRes Centre 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 Centre and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner / author.", "updated": "2023-04-04", "type": "Service", "created": "2022-08-16", "language": "eng", "title": "Web Map Service of the dataset 'Earthworms increase soil mineral nitrogen content \u2013 \u200b\u200ba meta-analysis (mineral soil nitrogen - soil mineral nitrogen'", "description": "This Web Map Service includes spatial information used by datasets 'Web Map Service of the dataset 'Earthworms increase mineral soil nitrogen content \u2013 a meta-analysis''", "formats": [{"name": "CSV"}], "keywords": ["infoMapAccessService", "Soil", "Ammonium", "ecological groups", "inorganic nitrogen", "mineralization", "nitrate", "nitrogen cycle", "soil fauna", "soil functions"], "contacts": [{"name": "Birgit Lang", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "lang.biologie@gmail.com"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0002-7514-4573", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Bibiana Betancur-Corredor", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "bibiana.betancurcorredor@senckenberg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0003-1942-4527", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "David J. 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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 ZALF Datenerfassung's research activities.\" Although every care has been taken in preparing and testing the data, the ZALF Datenerfassung and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the ZALF Datenerfassung 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 ZALF Datenerfassung and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner / author.", "updated": "2024-04-17", "type": "Dataset", "created": "2022-07-01", "language": "eng", "title": "LTE Bad Lauchstaedt: Extended Static Fertilization Experiment V120a", "description": "The Extended Static Fertilization Experiment Bad Lauchst\u00e4dt, is the only long-term experiment in which the effect of different organic and mineral fertilization can be investigated starting from an experimentally adjusted SOC content in the soil. After more than 40 years, this experiment is not yet in equilibrium and is therefore particularly useful for modeling the C and N dynamics in the soil.\nLand Use Type: Arable land\nResearch Theme: Interdisciplinary environmental research, yield, modeling\nLTE Category: Fertilization\nFarming Category: Conventional\n\nReference to data published externally: https://www.ufz.de/index.php?en=39226", "keywords": ["Soil", "field size", "field shape", "plot design", "yields", "winter wheat", "spring barley", "sugar beet", "potatoes", "maize", "farmyard manure", "inorganic fertilizers", "inorganic nitrogen", "nitrogen content", "phosphorus content", "soil organic carbon", "total nitrogen", "opendata", "Dauerfeldversuch", "Dauerversuch", "Langzeitfeldversuch", "Langzeitversuch", "Dauerd\u00fcngungsversuch", "Langzeitd\u00fcngungsversuch", "DFV", "DDV", "DV", "Long-Term Field Experiment", "Long-Term Experiment", "Long-Term Trial", "Long-Term Field Trial", "Long-Term Fertilizer Experiment", "Long-Term Soil Experiment", "LTFE LTE", "LTSE", "silage maize", "mineral fertilization", "potassium content", "Langzeitversuch", "Landwirtschaft", "agriculture", "Field experimentation", "Agricultural research", "Research methods", "Boden", "Versuchsanlage"], "contacts": [{"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Ines Merbach", "organization": "Helmholtz Centre for Environmental Research (UFZ), Research Station Bad Lauchst\u00e4dt", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "ines.merbach@ufz.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0003-4482-5437", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Ines Merbach", "organization": "Helmholtz Centre for Environmental Research (UFZ), Research Station Bad Lauchst\u00e4dt", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "ines.merbach@ufz.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0003-4482-5437", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"organization": "Helmholtz Centre for Environmental Research (UFZ), Research Station Bad Lauchst\u00e4dt", "roles": ["contributor"]}]}, "links": [{"href": "https://www.ufz.de/index.php?en=39226", "rel": "information"}, {"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=8f23ee30-8f84-481a-9a47-9eb6c65af3c4", "rel": "information"}, {"rel": "self", "type": "application/geo+json", "title": "8f23ee30-8f84-481a-9a47-9eb6c65af3c4", "name": "item", "description": "8f23ee30-8f84-481a-9a47-9eb6c65af3c4", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/8f23ee30-8f84-481a-9a47-9eb6c65af3c4"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "1978-01-01T00:00:00Z"}}, {"id": "1b958c1a-671f-4f1d-962c-f9e21fb9d5f5", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "mineralization"}, {"id": "nitrates"}, {"id": "nitrogen cycle"}, {"id": "soil fauna"}, {"id": "soil functions"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "opendata"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}, {"concepts": [{"id": "Ammonium"}, {"id": "inorganic nitrogen"}, {"id": "mesofauna"}, {"id": "mineralization"}, {"id": "nematodes"}, {"id": "nitrate"}, {"id": "nitrogen cycle"}, {"id": "soil fauna"}, {"id": "soil functions"}, {"id": "trophic groups"}], "scheme": "free keywords"}], "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 Centre's research activities.\" Although every care has been taken in preparing and testing the data, the BonaRes Centre and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the BonaRes Centre 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 Centre and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data.", "updated": "2023-07-19", "type": "Dataset", "created": "2023-06-25", "language": "eng", "title": "Soil mineral nitrogen content is increased by soil mesofauna and nematodes \u2013 a meta-analysis", "description": "Using meta-analysis, we quantified effects of soil mesofauna and nematodes on soil mineral nitrogen and investigated the influence of controlling factors. Data were compiled from 21 articles, yielding 428 data points. The dataset contains information on geographical location, soils (soil texture, organic carbon, CN ratio of soils and litter), experimental details (laboratory or field experiment, application of organic material, experimental duration, temperature, replication, initial mineral nitrogen content), organisms (taxonomic group, size class, species, trophic group, abundance), and the effect sizes and variance calculated for each observation.\n\nResearch domain: Other\n\nResearch question: The main objectives were (1) to estimate the impact of meso- and microfaunal activity on the nitrogen compounds ammonium, nitrate and total mineral nitrogen; (2) to assess whether faunal effects depend on functional characteristics or faunal density; or (3) were modulated by experimental conditions or soil characteristics.", "formats": [{"name": "CSV"}], "keywords": ["Soil", "mineralization", "nitrates", "nitrogen cycle", "soil fauna", "soil functions", "opendata", "Boden", "Ammonium", "inorganic nitrogen", "mesofauna", "mineralization", "nematodes", "nitrate", "nitrogen cycle", "soil fauna", "soil functions", "trophic groups"], "contacts": [{"name": "Birgit Lang", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "lang.biologie@gmail.com"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0002-7514-4573", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "David J. Russell", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "david.russell@senckenberg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0002-0129-0375", "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": "Bibiana Betancur-Corredor", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "bibetaco@gmail.com"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0003-1942-4527", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "David J. Russell", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "david.russell@senckenberg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org", "protocol": null, "protocol_url": "", "name": "0000-0002-0129-0375", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "roles": ["contributor"]}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=1b958c1a-671f-4f1d-962c-f9e21fb9d5f5", "rel": "download"}, {"rel": "self", "type": "application/geo+json", "title": "1b958c1a-671f-4f1d-962c-f9e21fb9d5f5", "name": "item", "description": "1b958c1a-671f-4f1d-962c-f9e21fb9d5f5", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/1b958c1a-671f-4f1d-962c-f9e21fb9d5f5"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-07-19T00:00:00Z"}}, {"id": "fe5aadf7-5ecf-493f-9590-3bf201c8b049", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "mineralization"}, {"id": "nitrogen cycle"}, {"id": "soil fauna"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Ammonium"}, {"id": "ecological groups"}, {"id": "inorganic nitrogen"}, {"id": "mineralization"}, {"id": "nitrate"}, {"id": "nitrogen cycle"}, {"id": "soil fauna"}, {"id": "soil functions"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}], "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 Centre's research activities.\" Although every care has been taken in preparing and testing the data, the BonaRes Centre and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the BonaRes Centre 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 Centre and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner / author.", "updated": "2023-04-04", "type": "Dataset", "created": "2022-08-16", "language": "eng", "title": "Earthworms increase soil mineral nitrogen content \u2013 \u200b\u200ba meta-analysis (mineral soil nitrogen - soil mineral nitrogen)", "description": "Using meta-analysis, we quantified earthworm effects on mineral soil nitrogen and investigated the influence of controlling factors (Lang, B., Betancur-Corredor, B., Russell, D.J., submitted). We compiled data from 24 articles, yielding 411 data points. In the supplementary data file, we give information on geographical location, soils (soil texture, organic carbon, , total nitrogen, CN ratio of soils and litter, pH), experimental details (laboratory or field experiment, sampling depth, experimental duration, temperature, replication, initial mineral nitrogen content), organisms (species, earthworm ecological group, biomass, abundance), and the effect sizes and variance calculated for each observation.\n\nResearch domain: Other\n\nResearch question: The main objectives were to (1) estimate the impact of earthworm activity on the various nitrogen compounds; (2) assess whether the direction and magnitude of earthworm effects depend on ecological (life-form) groups, earthworm biomass or abundance; and (3) test whether effect sizes were modulated by soil characteristics or experimental design.", "formats": [{"name": "CSV"}], "keywords": ["Soil", "mineralization", "nitrogen cycle", "soil fauna", "Ammonium", "ecological groups", "inorganic nitrogen", "mineralization", "nitrate", "nitrogen cycle", "soil fauna", "soil functions", "Boden"], "contacts": [{"name": "Birgit Lang", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "lang.biologie@gmail.com"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org/", "protocol": null, "protocol_url": "", "name": "0000-0002-7514-4573", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Bibiana Betancur-Corredor", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "bibiana.betancurcorredor@senckenberg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org/", "protocol": null, "protocol_url": "", "name": "0000-0003-1942-4527", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "David J. Russell", "organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "david.russell@senckenberg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org/", "protocol": null, "protocol_url": "", "name": "0000-0002-0129-0375", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "David J. Russell", "organization": "Organisation Senckenberg Museum of Natural History G\u00f6rlitz", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "david.russell@senckenberg.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": "https://orcid.org/", "protocol": null, "protocol_url": "", "name": "0000-0002-0129-0375", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"organization": "Senckenberg Museum of Natural History G\u00f6rlitz", "roles": ["contributor"]}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=fe5aadf7-5ecf-493f-9590-3bf201c8b049", "rel": "download"}, {"rel": "self", "type": "application/geo+json", "title": "fe5aadf7-5ecf-493f-9590-3bf201c8b049", "name": "item", "description": "fe5aadf7-5ecf-493f-9590-3bf201c8b049", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/fe5aadf7-5ecf-493f-9590-3bf201c8b049"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-04-04T00:00:00Z"}}], "links": [{"rel": "self", "type": "application/geo+json", "title": "This document as GeoJSON", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=INORGANIC+NITROGEN&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=INORGANIC+NITROGEN&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=INORGANIC+NITROGEN&", "hreflang": "en-US"}, {"rel": "last", "type": "application/geo+json", "title": "items (last)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=INORGANIC+NITROGEN&offset=9", "hreflang": "en-US"}], "numberMatched": 9, "numberReturned": 9, "distributedFeatures": [], "timeStamp": "2026-05-25T10:14:28.534367Z"}