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Ecosystem carbon use efficiency in China: Variation and influence factors
Chen, Zhi1,2,3; Yu, Guirui1,2,3; Wang, Qiufeng1,2,3
2018-07-01
Source PublicationECOLOGICAL INDICATORS
ISSN1470-160X
Volume90Pages:316-323
Corresponding AuthorChen, Zhi(chenz@igsnrr.ac.cn) ; Yu, Guirui(yugr@igsnrr.ac.cn)
AbstractEcosystem carbon use efficiency (CUEe), one of the most important ecological indicators of ecosystem, represents the capacity of transferring carbon from atmosphere to potential carbon sink. Understanding the variation of CUEe and its controlling factors is paramount for regional carbon budget evaluation. In this study, we conducted a synthesis of 50 field measurements on CUEe to examine the variations of CUEe across China's terrestrial ecosystems. The results showed that the CUEe values of China's ecosystems varied from - 0.44 to 0.53 with the mean value of 0.19. Grassland had a lower CUEe than forest, cropland and wetland. However, the apparent effects of vegetation types on CUEe were eliminated by accounting for the covariates of climate. Variations of CUEe were correlated with temperature (MAT), precipitation (MAP) and nitrogen deposition (Ndep) in different relationships depend on climate and Ndep condition. CUEe was increased with the augment in MAT only for wet and low Ndep ecosystems. Ndep facilitated the increase of CUEe for wet ecosystems while oppositely restrained the CUEe for dry ecosystems. The results clarify the integrated roles of climate and nitrogen deposition on variations of CUEe that would be valuable for regional ecosystem function evaluation.
KeywordCarbon use efficiency Climate factor Nitrogen deposition China
DOI10.1016/j.ecolind.2018.03.025
WOS KeywordGROSS PRIMARY PRODUCTION ; QINGHAI-TIBETAN PLATEAU ; NITROGEN DEPOSITION ; SOIL RESPIRATION ; EDDY-COVARIANCE ; INNER-MONGOLIA ; CO2 FLUXES ; TERRESTRIAL ECOSYSTEMS ; INTERANNUAL VARIATIONS ; CONSTANT FRACTION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31600347] ; National Natural Science Foundation of China[41671045] ; National Key Research and Development Program of China[2016YFA0600104] ; National Key Research and Development Program of China[2016YFA0600103] ; Science and Technology Service Network Initiative of the Chinese Academy of Sciences[KFJ-SW-STS-169]
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Science and Technology Service Network Initiative of the Chinese Academy of Sciences
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Environmental Sciences
WOS IDWOS:000440266100033
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54311
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChen, Zhi; Yu, Guirui
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Synth Res Ctr Chinese Ecosyst Res Network, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Chen, Zhi,Yu, Guirui,Wang, Qiufeng. Ecosystem carbon use efficiency in China: Variation and influence factors[J]. ECOLOGICAL INDICATORS,2018,90:316-323.
APA Chen, Zhi,Yu, Guirui,&Wang, Qiufeng.(2018).Ecosystem carbon use efficiency in China: Variation and influence factors.ECOLOGICAL INDICATORS,90,316-323.
MLA Chen, Zhi,et al."Ecosystem carbon use efficiency in China: Variation and influence factors".ECOLOGICAL INDICATORS 90(2018):316-323.
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