IB-CAS  > 植被与环境变化国家重点实验室
Spatial patterns and climate controls of seasonal variations in carbon fluxes in China's terrestrial ecosystems
Han, Lang; Wang, Qiu-Feng; Chen, Zhi; Yu, Gui-Rui; Zhou, Guang-Sheng; Chen, Shi-Ping; Li, Ying-Nian; Zhang, Yi-Ping; Yan, Jun-Hua; Wang, Hui-Min; Han, Shi-Jie; Wang, Yan-Fen; Sha, Li-Qing; Shi, Pei-Li; Zhang, Yang-Jian; Xiang, Wen-Hua; Zhao, Liang8; Zhang, Qiu-Liang; He, Qi-Hua; Mo, Xing-Guo; Guo, Ji-Xun
2020
Source PublicationGLOBAL AND PLANETARY CHANGE
ISSN0921-8181
Volume189
AbstractSeasonal changes in CO2 exchange determine the strength and dynamics of the carbon budget in terrestrial ecosystems. Knowledge about seasonal and spatial variations in carbon fluxes (net ecosystem productivity (NEP), gross primary productivity (GPP), and ecosystem respiration (RE)) is thus essential to support accurate modeling of carbon flux dynamics. To the best of our knowledge, this study represents the first comprehensive evaluation of how carbon fluxes vary seasonally in different ecoregions in China. Using eddy covariance measurements from ChinaFLUX, we analyzed the spatial variations and climate controls of the phenological and physiological properties of NEP, GPP, and RE across China. Apart from the beginning and ending day of NEP (net carbon uptake), the phenological properties of the carbon fluxes varied significantly with latitude; however, there were no evident trends in the physiological properties of the carbon fluxes with latitude (apart from the annual values of GPP and RE, known as AGPP and ARE). The spatial variation in the physiological properties of GPP and RE was influenced by the precipitation patterns, while the spatial distribution of the phenological properties of GPP and RE was related to air temperature. Moreover, the spatial variation for the end of the growing season changed with the autumn mean soil temperatures. The factors that contributed to the spatial distribution in the annual NEP (ANEP) and annual GPP and RE (AGPP and ARE) were quite different. The mean daily GPP and RE were the main contributors to the spatial variations in AGPP and ARE, while the net carbon uptake period was the main contributor to the spatial variation in ANEP. In this study, we identified a series of ecological parameters and reference values for seasonal patterns that can be used to validate models that simulate changes in regional carbon fluxes.
KeywordCarbon flux components Climatic factors Phenology Physiological properties Seasonal variations Terrestrial ecosystems
Subject AreaGeography, Physical ; Geosciences, Multidisciplinary
DOI10.1016/j.gloplacha.2020.103175
Indexed BySCI
Language英语
WOS KeywordGROSS PRIMARY PRODUCTIVITY ; NET CARBON ; WATER-VAPOR ; INTERANNUAL VARIABILITY ; ENVIRONMENTAL CONTROLS ; DIOXIDE EXCHANGE ; PLANT PHENOLOGY ; TEMPERATE ; FORESTS ; RESPIRATION
WOS Research AreaPhysical Geography ; Geology
WOS IDWOS:000528868200009
PublisherELSEVIER
SubtypeArticle
Publication PlaceAMSTERDAM
EISSN1872-6364
Funding OrganizationNational Key Research and Development Program of China [2016YFA0600104, 2016YFA0600103] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41671045, 31800406, 31600347] ; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA19020302] ; International Partnership Program of Chinese Academy of Sciences [121311KYSB20170004]
Corresponding Author Emailchenz@igsnrr.ac.cn ; yugr@igsnrr.ac.cn
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21787
Collection植被与环境变化国家重点实验室
Affiliation1.[Han, Lang
2.Wang, Qiu-Feng
3.Chen, Zhi
4.Chinese Acad Sci, Synth Res Ctr Chinese Ecosyst Res Network, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
5.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
6.[Zhou, Guang-Sheng
7.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
8.[Li, Ying-Nian
9.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Qinghai, Peoples R China
10.[Zhang, Yi-Ping
11.Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Menglun 666303, Peoples R China
12.Chinese Acad Sci, Key Lab Vegetat Restorat & Management Degraded o, South China Bot Garden, Guangzhou 510650, Peoples R China
13.[Wang, Hui-Min
14.Shi, Pei-Li
15.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
16.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China
17.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
18.Cent South Univ Forestry & Technol, Fac Life Sci & Technol, Changsha 410004, Hunan, Peoples R China
19.Inner Mongolia Agr Univ, Coll Forestry, Hohhot 010019, Peoples R China
20.Chinese Acad Sci, Chengdu Inst Biol, Key Lab Mt Ecol Restorat & Bioresource Utilizat, Chengdu 610041, Peoples R China
21.Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat & Biodivers Conservat Key Lab Sichu, Chengdu 610041, Peoples R China
22.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
23.Northeast Normal Univ, Inst Grassland Sci, Key Lab Vegetat Ecol, Minist Educ, Changchun 130024, Peoples R China
Recommended Citation
GB/T 7714
Han, Lang,Wang, Qiu-Feng,Chen, Zhi,et al. Spatial patterns and climate controls of seasonal variations in carbon fluxes in China's terrestrial ecosystems[J]. GLOBAL AND PLANETARY CHANGE,2020,189.
APA Han, Lang.,Wang, Qiu-Feng.,Chen, Zhi.,Yu, Gui-Rui.,Zhou, Guang-Sheng.,...&Guo, Ji-Xun.(2020).Spatial patterns and climate controls of seasonal variations in carbon fluxes in China's terrestrial ecosystems.GLOBAL AND PLANETARY CHANGE,189.
MLA Han, Lang,et al."Spatial patterns and climate controls of seasonal variations in carbon fluxes in China's terrestrial ecosystems".GLOBAL AND PLANETARY CHANGE 189(2020).
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