CRAINE, Joseph M.; ELMORE, Andrew J.; WANG, Lixin; ARANIBAR, Julieta; BAUTERS, Marijn; BOECKX, Pascal; CROWLEY, Brooke E.; DAWES, Melissa A.; DELZON, Sylvain; FAJARDO, Alex; FANG, Yunting; FUJIYOSHI, Lei; GRAY, Alan; GUERRIERI, Rossella; GUNDALE, Michael J.; HAWKE, David J.; HIETZ, Peter; JONARD, Mathieu; KEARSLEY, Elizabeth; KENZO, Tanaka; MAKAROV, Mikhail; MARAÑON-JIMENEZ, Sara; MCGLYNN, Terrence P.; MCNEIL, Brenden E.; MOSHER, Stella G.; NELSON, David M.; PERI, Pablo L.; ROGGY, Jean-Christophe; SANDERS-DEMOTT, Rebecca; SONG, Minghua; SZPAK, Paul; TEMPLER, Pamela H.; VAN DER COLFF, Dewidine; WERNER, Christiane; XU, Xingliang; YANG, Yang; YU, Guirui; ZMUDCZYŃSKA-SKARBEK, Katarzyna

doi:10.1038/s41559-018-0694-0

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CRAINE, Joseph M.
Jonah Ventures

ELMORE, Andrew J.
Appalachian Laboratory

WANG, Lixin
Indiana University

CRAINE, Joseph M.
Jonah Ventures

ELMORE, Andrew J.
Appalachian Laboratory

WANG, Lixin
Indiana University

ARANIBAR, Julieta
Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] [CONICET]

BAUTERS, Marijn
Universiteit Gent = Ghent University = Université de Gand [UGENT]

BOECKX, Pascal
Universiteit Gent = Ghent University = Université de Gand [UGENT]

CROWLEY, Brooke E.
University of Cincinnati [UC]

DAWES, Melissa A.
Swiss Federal Institute for Forest, Snow and Landscape Research WSL

DELZON, Sylvain
Biodiversité, Gènes & Communautés [BioGeCo]

FAJARDO, Alex
Centro de Investigación en Ecosistemas de la Patagonia [CIEP]

FANG, Yunting
Chinese Academy of Sciences [CAS]

FUJIYOSHI, Lei
Research Institute for Humanity and Nature [RIHN]

GRAY, Alan
Centre for Ecology and Hydrology [CEH]

GUERRIERI, Rossella
Centre for Ecological Research and Forestry Applications [CREAF]

GUNDALE, Michael J.
Department of Forest Ecology and Management

HAWKE, David J.
Ara Institute of Canterbury

HIETZ, Peter
Institute of Botany

JONARD, Mathieu
Earth and Life Institute [Louvain-La-Neuve] [ELI]

KEARSLEY, Elizabeth
Universiteit Gent = Ghent University = Université de Gand [UGENT]

KENZO, Tanaka
Forestry and Forest Products Research Institute [FFPRI]

MAKAROV, Mikhail
Lomonosov Moscow State University [MSU]

MARAÑON-JIMENEZ, Sara
Universidad de Granada = University of Granada [UGR]
Centre for Ecological Research and Forestry Applications [CREAF]
Consejo Superior de Investigaciones Cientificas [España] = Spanish National Research Council [Spain] [CSIC]

MCGLYNN, Terrence P.
California State University
Smithsonian National Museum of Natural History [NMNH]

MCNEIL, Brenden E.
Department of Geology and Geography

MOSHER, Stella G.
Department of Geology

NELSON, David M.
Appalachian Laboratory

PERI, Pablo L.
Instituto Nacional de Tecnología Agropecuaria [UNPA, Argentina]

ROGGY, Jean-Christophe
Ecologie des forêts de Guyane [UMR ECOFOG]

SANDERS-DEMOTT, Rebecca
Department of Biology [Gainesville] [UF|Biology]
University of New Hampshire [UNH]

SONG, Minghua
Chinese Academy of Sciences [CAS]

SZPAK, Paul
Department of Anthropology

TEMPLER, Pamela H.
Department of Biology [Gainesville] [UF|Biology]

VAN DER COLFF, Dewidine
South African National Biodiversity Institute

WERNER, Christiane
Albert-Ludwigs-Universität Freiburg = University of Freiburg

XU, Xingliang
University of New Hampshire [UNH]

YANG, Yang
Chinese Academy of Sciences [CAS]

YU, Guirui
Chinese Academy of Sciences [CAS]
College of Resources and Environment

ZMUDCZYŃSKA-SKARBEK, Katarzyna
University of Gdańsk [UG]

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Article de revue

Ce document a été publié dans

Nature Ecology & Evolution. 2018, vol. 2, n° 11, p. 1735-1744

Nature

Résumé en anglais

Human societies depend on an Earth system that operates within a constrained range of nutrient availability, yet the recent trajectory of terrestrial nitrogen (N) availability is uncertain. Examining patterns of foliar N concentrations and isotope ratios (δ15N) from more than 43,000 samples acquired over 37 years, here we show that foliar N concentration declined by 9% and foliar δ15N declined by 0.6–1.6‰. Examining patterns across different climate spaces, foliar δ15N declined across the entire range of mean annual temperature and mean annual precipitation tested. These results suggest declines in N supply relative to plant demand at the global scale. In all, there are now multiple lines of evidence of declining N availability in many unfertilized terrestrial ecosystems, including declines in δ15N of tree rings and leaves from herbarium samples over the past 75–150 years. These patterns are consistent with the proposed consequences of elevated atmospheric carbon dioxide and longer growing seasons. These declines will limit future terrestrial carbon uptake and increase nutritional stress for herbivores.< Réduire

DOI

http://dx.doi.org/10.1038/s41559-018-0694-0

Project ANR

CEnter of the study of Biodiversity in Amazonia

Origine

Importé de hal

Unités de recherche

BioGeCo (Biodiversité Gènes & Communautés) - UMR 1202