Isotopic evidence for oligotrophication of terrestrial ecosystems

doi:10.1038/s41559-018-0694-0

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	Isotopic evidence for oligotrophication of terrestrial ecosystems
	Craine, Joseph M.2; Elmore, Andrew J.3; Wang, Lixin 4; Aranibar, Julieta 5; Bauters, Marijn 6,7; Boeckx, Pascal 6; Crowley, Brooke E.8,9; Dawes, Melissa A.10; Delzon, Sylvain 11; Fajardo, Alex 12
刊名	NATURE ECOLOGY & EVOLUTION
	2018-11-01
卷号	2 期号:11 页码:1735-1744
ISSN号	2397-334X
DOI	10.1038/s41559-018-0694-0
通讯作者	Craine, Joseph M.(josephmcraine@gmail.com)
英文摘要	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 (delta N-15) from more than 43,000 samples acquired over 37 years, here we show that foliar N concentration declined by 9% and foliar delta N-15 declined by 0.6-1.6 parts per thousand. Examining patterns across different climate spaces, foliar delta N-15 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 delta N-15 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.
资助项目	BRIDGE Project ; 'Investissement d'Avenir' grant[ANR-10-LABX-0025] ; European Research Council through the Advanced Grant Project TREEPEACE[FP7-339728] ; Cluster of Excellence COTE[ANR-10-LABX-45] ; NASA[NNX12AK56G] ; EU MSCA individual fellowship[705432] ; EU MSCA individual fellowship[750252] ; COILEX[CGL2008-01671] ; ECOLPIN[AGL2011-24296] ; Russian Science Foundation[16-14-10208]
WOS研究方向	Environmental Sciences & Ecology ; Evolutionary Biology
语种	英语
出版者	NATURE PUBLISHING GROUP
WOS记录号	WOS:000447964800016
资助机构	BRIDGE Project ; 'Investissement d'Avenir' grant ; European Research Council through the Advanced Grant Project TREEPEACE ; Cluster of Excellence COTE ; NASA ; EU MSCA individual fellowship ; COILEX ; ECOLPIN ; Russian Science Foundation
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/130028]
专题	金属研究所_中国科学院金属研究所
通讯作者	Craine, Joseph M.
作者单位	1.Res Inst Humanity & Nat, Kyoto, Japan 2.Jonah Ventures, Boulder, CO 80301 USA 3.Univ Maryland, Ctr Environm Sci, Appalachian Lab, Frostburg, MD USA 4.Indiana Univ Purdue Univ, Dept Earth Sci, Indianapolis, IN 46202 USA 5.Consejo Nacl Invest Cient & Tecn, Inst Argentino Nivol Glaciol & Ciencias Ambiental, UNCuyo, FCEN, Mendoza, Argentina 6.Univ Ghent, MB Isotope Biosci Lab ISOFYS, Ghent, Belgium 7.Univ Ghent, CAVElab, Computat & Appl Vegetat Ecol, Ghent, Belgium 8.Univ Cincinnati, Dept Geol, Cincinnati, OH USA 9.Univ Cincinnati, Dept Anthropol, Cincinnati, OH USA 10.Swiss Fed Inst Forest Snow & Landscape Res, WSL Forest Soils & Biogeochem, Birmensdorf, Switzerland
推荐引用方式 GB/T 7714	Craine, Joseph M.,Elmore, Andrew J.,Wang, Lixin,et al. Isotopic evidence for oligotrophication of terrestrial ecosystems[J]. NATURE ECOLOGY & EVOLUTION,2018,2(11):1735-1744.
APA	Craine, Joseph M..,Elmore, Andrew J..,Wang, Lixin.,Aranibar, Julieta.,Bauters, Marijn.,...&Zmudczynska-Skarbek, Katarzyna.(2018).Isotopic evidence for oligotrophication of terrestrial ecosystems.NATURE ECOLOGY & EVOLUTION,2(11),1735-1744.
MLA	Craine, Joseph M.,et al."Isotopic evidence for oligotrophication of terrestrial ecosystems".NATURE ECOLOGY & EVOLUTION 2.11(2018):1735-1744.