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Temperature and precipitation control of the spatial variation of terrestrial ecosystem carbon exchange in the Asian region
Chen, Zhi1,2; Yu, Guirui1; Ge, Jianping3; Sun, Xiaomin1; Hirano, Takashi4; Saigusa, Nobuko5; Wang, Qiufeng1; Zhu, Xianjin1,2; Zhang, Yiping6; Zhang, Junhui7; Yan, Junhua8; Wang, Huimin1; Zhao, Liang9; Wang, Yanfen2; Shi, Peili1; Zhao, Fenghua1; Yu, GR (reprint author), Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, 11A,Datun Rd, Beijing 100101, Peoples R China.
2013-12-15
发表期刊AGRICULTURAL AND FOREST METEOROLOGY
ISSN0168-1923
卷号182页码:266-276
文章类型Article
摘要Carbon exchange between terrestrial ecosystems and the atmosphere is one of the most important processes in the global carbon cycle. Understanding the spatial variation and controlling factors of carbon exchange fluxes is helpful for accurately predicting and evaluating the global carbon budget. In this study, we quantified the carbon exchange fluxes of different terrestrial ecosystems in the Asian region, and analyzed their spatial variation and controlling factors based on long-term observation data from ChinaFLUX (19 sites) and published data from AsiaFlux (37 sites) and 32 other sites in Asia. The results indicated that the majority of Asian terrestrial ecosystems are currently large carbon sinks. The average net ecosystem production (NEP) values were 325+/-187, 274+/-207, 236+/-260, 89+/-134g C m(-2) yr(-1) in cropland, forest, wetland and grassland ecosystems, respectively. The spatial variation of gross primary production (GPP) and ecosystem respiration (Re) were mainly controlled by the mean annual temperature (MAT) and the mean annual precipitation (MAP) in the Asian region. There was a clear linear relationship between GPP and MAT, and a strong sigmoid relationship between GPP and MAP. Re was exponentially related to MAT and linearly related to MAP. Interestingly, those response modes were consistent across different ecosystem types. The different responses of GPP and Re to MAT and MAP determined the spatial variation of NEP. The combined effects of MAT and MAP contributed 85%, 81% and 36% to the spatial variations of GPP, Re and NEP, respectively. Our findings confirmed that the spatial variation of carbon exchange fluxes was mainly controlled by climatic factors, which further strongly supports the use of the climate-driven theory in the Asian region. (C) 2013 Elsevier B.V. All rights reserved.; Carbon exchange between terrestrial ecosystems and the atmosphere is one of the most important processes in the global carbon cycle. Understanding the spatial variation and controlling factors of carbon exchange fluxes is helpful for accurately predicting and evaluating the global carbon budget. In this study, we quantified the carbon exchange fluxes of different terrestrial ecosystems in the Asian region, and analyzed their spatial variation and controlling factors based on long-term observation data from ChinaFLUX (19 sites) and published data from AsiaFlux (37 sites) and 32 other sites in Asia. The results indicated that the majority of Asian terrestrial ecosystems are currently large carbon sinks. The average net ecosystem production (NEP) values were 325+/-187, 274+/-207, 236+/-260, 89+/-134g C m(-2) yr(-1) in cropland, forest, wetland and grassland ecosystems, respectively. The spatial variation of gross primary production (GPP) and ecosystem respiration (Re) were mainly controlled by the mean annual temperature (MAT) and the mean annual precipitation (MAP) in the Asian region. There was a clear linear relationship between GPP and MAT, and a strong sigmoid relationship between GPP and MAP. Re was exponentially related to MAT and linearly related to MAP. Interestingly, those response modes were consistent across different ecosystem types. The different responses of GPP and Re to MAT and MAP determined the spatial variation of NEP. The combined effects of MAT and MAP contributed 85%, 81% and 36% to the spatial variations of GPP, Re and NEP, respectively. Our findings confirmed that the spatial variation of carbon exchange fluxes was mainly controlled by climatic factors, which further strongly supports the use of the climate-driven theory in the Asian region. (C) 2013 Elsevier B.V. All rights reserved.
关键词Terrestrial Ecosystem Spatial Variation Carbon Exchange Fluxes Climate Controlling Factors Carbon Source/sink Strength Asian Region
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
关键词[WOS]LAST 2 DECADES ; ATMOSPHERIC CO2 ; WATER-VAPOR ; EAST-ASIA ; SOIL RESPIRATION ; INTERANNUAL VARIABILITY ; TROPICAL FORESTS ; DIOXIDE ; CHINA ; FLUX
收录类别SCI
语种英语
WOS研究方向Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
WOS类目Agronomy ; Forestry ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000327000200027
引用统计
被引频次:82[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/3889
专题中国科学院西北高原生物研究所
通讯作者Yu, GR (reprint author), Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, 11A,Datun Rd, Beijing 100101, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Synth Res Ctr Chinese Ecosyst Res Network, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Beijing Normal Univ, Coll Life Sci, Beijing 100875, Peoples R China
4.Hokkaido Univ, Res Fac Agr, Kita Ku, Sapporo, Hokkaido, Japan
5.Natl Inst Environm Studies, Tsukuba, Ibaraki, Japan
6.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Menglun 666303, Peoples R China
7.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China
8.Chinese Acad Sci, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China
9.Chinese Acad Sci, Northwest Plateau Inst Biol, Xining 810001, Peoples R China
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Chen, Zhi,Yu, Guirui,Ge, Jianping,et al. Temperature and precipitation control of the spatial variation of terrestrial ecosystem carbon exchange in the Asian region[J]. AGRICULTURAL AND FOREST METEOROLOGY,2013,182:266-276.
APA Chen, Zhi.,Yu, Guirui.,Ge, Jianping.,Sun, Xiaomin.,Hirano, Takashi.,...&Yu, GR .(2013).Temperature and precipitation control of the spatial variation of terrestrial ecosystem carbon exchange in the Asian region.AGRICULTURAL AND FOREST METEOROLOGY,182,266-276.
MLA Chen, Zhi,et al."Temperature and precipitation control of the spatial variation of terrestrial ecosystem carbon exchange in the Asian region".AGRICULTURAL AND FOREST METEOROLOGY 182(2013):266-276.
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