IB-CAS  > 植被与环境变化国家重点实验室
Phosphorus alleviation of nitrogen-suppressed methane sink in global grasslands
Zhang, Lihua1,3; Yuan, Fenghui4; Bai, Junhong5; Duan, Hongtao6; Gu, Xueying3; Hou, Longyu3; Huang, Yao3; Yang, Mingan7; He, Jin-Sheng; Zhang, Zhenhua8; Yu, Lijun9; Song, Changchun1; Lipson, David A.; Zona, Donatella2; Oechel, Walter2; Janssens, Ivan A.; Xu, Xiaofeng1,2
Source PublicationECOLOGY LETTERS
AbstractGrassland ecosystems account for more than 10% of the global CH4 sink in soils. A 4-year field experiment found that addition of P alone did not affect CH4 uptake and experimental addition of N alone significantly suppressed CH4 uptake, whereas concurrent N and P additions suppressed CH4 uptake to a lesser degree. A meta-analysis including 382 data points in global grasslands corroborated these findings. Global extrapolation with an empirical modelling approach estimated that contemporary N addition suppresses CH4 sink in global grassland by 11.4% and concurrent N and P deposition alleviates this suppression to 5.8%. The P alleviation of N-suppressed CH4 sink is primarily attributed to substrate competition, defined as the competition between ammonium and CH4 for the methane mono-oxygenase enzyme. The N and P impacts on CH4 uptake indicate that projected increases in N and P depositions might substantially affect CH4 uptake and alter the global CH4 cycle.
KeywordGrassland methane nitrogen phosphorus substrate competition theory
Subject AreaEcology
Indexed BySCI
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000515513100001
Publication PlaceHOBOKEN
Funding OrganizationNortheast Institute of Geography and Agroecology, Chinese Academy of SciencesChinese Academy of Sciences ; Top Notch program in China ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41125001, 41371111] ; National Key Research and Development Program of China [2016YFC0500601] ; SPRUCE project - Office of Biological and Environmental Research in the Department of Energy Office of Science ; NGEE Arctic project - Office of Biological and Environmental Research in the Department of Energy Office of Science ; Interdisciplinary Research Funds of Beijing Normal University ; European Research Council Synergy Grant IMBALANCE-P [ERC-2013-SyG-610028] ; Natural Environment Research CouncilUK Research & Innovation (UKRI)Natural Environment Research Council (NERC) [NE/P002552/1] Funding Source: researchfish
Corresponding Author Emailjunhongbai@163.com ; xxu@sdsu.edu
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Minzu Univ China, Coll Life & Environm Sci, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Peoples R China
3.San Diego State Univ, Biol Dept, San Diego, CA 92182 USA
4.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
5.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest Ecol & Management, Shenyang 110016, Peoples R China
6.Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China
7.Chinese Acad Sci, Inst Geog & Limnol, Key Lab Watershed Geog Sci, Nanjing 210008, Peoples R China
8.San Diego State Univ, Div Epidemiol & Biostat, San Diego, CA 92182 USA
9.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Peoples R China
10.Chinese Acad Sci, Inst Atmospher Phys, LAPC, Beijing 100029, Peoples R China
11.Janssens, Ivan A.] Univ Antwerp, Dept Biol, Antwerp, Belgium
Recommended Citation
GB/T 7714
Zhang, Lihua,Yuan, Fenghui,Bai, Junhong,et al. Phosphorus alleviation of nitrogen-suppressed methane sink in global grasslands[J]. ECOLOGY LETTERS,2020,23(5):821-830.
APA Zhang, Lihua.,Yuan, Fenghui.,Bai, Junhong.,Duan, Hongtao.,Gu, Xueying.,...&Xu, Xiaofeng.(2020).Phosphorus alleviation of nitrogen-suppressed methane sink in global grasslands.ECOLOGY LETTERS,23(5),821-830.
MLA Zhang, Lihua,et al."Phosphorus alleviation of nitrogen-suppressed methane sink in global grasslands".ECOLOGY LETTERS 23.5(2020):821-830.
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