A meta-analysis of 1,119 manipulative experiments on terrestrial carbon-cycling responses to global change

dc.contributor.authorSong, Jianen
dc.contributor.authorWan, Shiqiangen
dc.contributor.authorPiao, Shilongen
dc.contributor.authorKnapp, Alan K.en
dc.contributor.authorClassen, Aimee T.en
dc.contributor.authorVicca, Saraen
dc.contributor.authorCiais, Philippeen
dc.contributor.authorHovenden, Mark J.en
dc.contributor.authorLeuzinger, Sebastianen
dc.contributor.authorBeier, Clausen
dc.contributor.authorKardol, Paulen
dc.contributor.authorXia, Jianyangen
dc.contributor.authorLiu, Qiangen
dc.contributor.authorRu, Jingyien
dc.contributor.authorZhou, Zhenxingen
dc.contributor.authorLuo, Yiqien
dc.contributor.authorGuo, Dalien
dc.contributor.authorLangley, J. Adamen
dc.contributor.authorZscheischler, Jakoben
dc.contributor.authorDukes, Jeffrey S.en
dc.contributor.authorTang, Jianwuen
dc.contributor.authorChen, Jiquanen
dc.contributor.authorHofmockel, Kirsten S.en
dc.contributor.authorKueppers, Lara M.en
dc.contributor.authorRustad, Lindsey E.en
dc.contributor.authorLiu, Linglien
dc.contributor.authorSmith, Melinda D.en
dc.contributor.authorTempler, Pamela H.en
dc.contributor.authorThomas, R. Quinnen
dc.contributor.authorNorby, Richard J.en
dc.contributor.authorPhillips, Richard P.en
dc.contributor.authorNiu, Shulien
dc.contributor.authorFatichi, Simoneen
dc.contributor.authorWang, Yingpingen
dc.contributor.authorShao, Pengshuaien
dc.contributor.authorHan, Hongyanen
dc.contributor.authorWang, Dandanen
dc.contributor.authorLei, Lingjieen
dc.contributor.authorWang, Jialien
dc.contributor.authorLi, Xiaonaen
dc.contributor.authorZhang, Qianen
dc.contributor.authorLi, Xiaomingen
dc.contributor.authorSu, Fanglongen
dc.contributor.authorLiu, Binen
dc.contributor.authorYang, Fanen
dc.contributor.authorMa, Gaigaien
dc.contributor.authorLi, Guoyongen
dc.contributor.authorLiu, Yanchunen
dc.contributor.authorLiu, Yinzhanen
dc.contributor.authorYang, Zhonglingen
dc.contributor.authorZhang, Keshengen
dc.contributor.authorMiao, Yuanen
dc.contributor.authorHu, Mengjunen
dc.contributor.authorYan, Chuangen
dc.contributor.authorZhang, Angen
dc.contributor.authorZhong, Mingxingen
dc.contributor.authorHui, Yanen
dc.contributor.authorLi, Yingen
dc.contributor.authorZheng, Mengmeien
dc.contributor.departmentForest Resources and Environmental Conservationen
dc.date.accessioned2020-02-26T18:55:05Zen
dc.date.available2020-02-26T18:55:05Zen
dc.date.issued2019-09en
dc.description.abstractDirect quantification of terrestrial biosphere responses to global change is crucial for projections of future climate change in Earth system models. Here, we synthesized ecosystem carbon-cycling data from 1,119 experiments performed over the past four decades concerning changes in temperature, precipitation, CO2 and nitrogen across major terrestrial vegetation types of the world. Most experiments manipulated single rather than multiple global change drivers in temperate ecosystems of the USA, Europe and China. The magnitudes of warming and elevated CO2 treatments were consistent with the ranges of future projections, whereas those of precipitation changes and nitrogen inputs often exceeded the projected ranges. Increases in global change drivers consistently accelerated, but decreased precipitation slowed down carbon-cycle processes. Nonlinear (including synergistic and antagonistic) effects among global change drivers were rare. Belowground carbon allocation responded negatively to increased precipitation and nitrogen addition and positively to decreased precipitation and elevated CO2. The sensitivities of carbon variables to multiple global change drivers depended on the background climate and ecosystem condition, suggesting that Earth system models should be evaluated using site-specific conditions for best uses of this large dataset. Together, this synthesis underscores an urgent need to explore the interactions among multiple global change drivers in under-represented regions such as semi-arid ecosystems, forests in the tropics and subtropics, and Arctic tundra when forecasting future terrestrial carbon-climate feedback.en
dc.description.adminPublic domain – authored by a U.S. government employeeen
dc.description.notesWe thank J. Wang (Hebei University), S. Yang (Institute of Botany, Chinese Academy of Sciences), L. Zhou (East China Normal University), C. Qiao (Xinyang Normal University) and H. Li (Henan University) for their help in meta-analyses and interaction analyses, and H. Li, Y. Liu (Institute of Tibetan Plateau Research, Chinese Academy of Sciences) and Y. He (Peking University) for their help in plotting figures. This work was financially supported by the National Natural Science Foundation of China (grant nos. 31430015 and 31830012). This study emerged from the INTERFACE Workshop in Beijing, China (https://www.bio.purdue.edu/INTERFACE/) supported by the US NSF DEB-0955771. We also acknowledge support from the ClimMani COST action (ES1308).en
dc.description.sponsorshipNational Natural Science Foundation of ChinaNational Natural Science Foundation of China [31430015, 31830012]; US NSFNational Science Foundation (NSF) [DEB-0955771]; ClimMani COST actionEuropean Cooperation in Science and Technology (COST) [ES1308]en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s41559-019-0958-3en
dc.identifier.issn2397-334Xen
dc.identifier.issue9en
dc.identifier.pmid31427733en
dc.identifier.urihttp://hdl.handle.net/10919/97057en
dc.identifier.volume3en
dc.language.isoenen
dc.rightsCreative Commons CC0 1.0 Universal Public Domain Dedicationen
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/en
dc.titleA meta-analysis of 1,119 manipulative experiments on terrestrial carbon-cycling responses to global changeen
dc.title.serialNature Ecology & Evolutionen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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