IMPACT4SOIL OpenAire Datacite Bielefeld Academic Search Engine (BASE) edoc ProdInra Crossref Microsoft Academic Graph CONICET Digital Europe PubMed Central u:cris Permanent Hosting, Archiving and Indexing of Digital Resources and Assets HAL INRAE LAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas UnpayWall PubMed Central Copenhagen University Research Information System https://scholars.unh.edu/context/faculty_pubs/article/1042/viewcontent/srep08280.pdf https://edoc.unibas.ch/37215/1/srep08280.pdf https://doi.org/10.1038/srep08280 Scientific Reports Open Access 2015-02-06 2015-01-01 2020-05-27 Abstract<p>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 9.8ￂﾰC, soil ￎﾴ15N 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 ￎﾴ15N 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.</p> 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 données Milieux et Changements globaux SDG 15 – Leben an Land Global change SDG 15 - Life on Land 2. Zero hunger 106022 Mikrobiologie Climatic Factors Tropical Forests Ecology Geography Nitrógeno Nutrient Cycling FRACTIONATION Litter Decomposition ECOSYSTEM ECOLOGY Life Sciences ecosystem ecology Cycling Forestry Isótopos 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 – Maßnahmen 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 minéral INORGANIC NITROGEN Geochemistry and Petrology stable isotope analysis Carbono Environmental Chemistry Factores Climáticos 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 Joseph M. Craine, Andrew J. Elmore, Lixin Wang, Laurent Augusto, W. Troy Baisden, E. N. Jack Brookshire, Michael D. Cramer, Niles J. Hasselquist, Erik A. Hobbie, Ansgar Kahmen, Keisuke Koba, J. M. Kranabetter, Michelle C. Mack, E. Marín-Spiotta, Jordan R. Mayor, Kendra K. McLauchlan, Anders Michelsen, Gabriela Bielefeld Nardoto, Rafael S. Oliveira, Steven S. Perakis, Pablo Luís Peri, Carlos Alberto Quesada, Andreas Richter, Louis A. Schipper, Bryan Stevenson, Benjamin L. Turner, Ricardo Augusto Gorne Viani, Wolfgang Wanek, Bernd Zeller, 2015-02-06 journalpaper Abstract<p>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 9.8ￂﾰC, soil ￎﾴ15N 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 ￎﾴ15N 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.</p> Convergence Of Soil Nitrogen Isotopes Across Global Climate Gradients 10.1038/srep08280