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Grassland ecosystem responses to climate change and human activities within the Three-River Headwaters region of China
Han, Ze1; Song, Wei1; Deng, Xiangzheng1,2; Xu, Xinliang3
2018-06-13
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8Pages:13
Corresponding AuthorSong, Wei(songw@igsnrr.ac.cn)
AbstractThe Three-River Headwaters region (TRHR) of China is an important part of the Qinghai-Tibetan Plateau. Although the TRHR is rich in grassland resources, the ecosystem of this area is extremely fragile. Natural and artificial interference have been key to the development of grassland ecosystem spatiotemporal heterogeneity, although the intensity and mode of their influence on ecological processes varies depending on scale; analyses in this area are therefore also scale-dependent. We use multi-scale nested data to analyze the mechanisms underlying the influence of climate change and human activities on grassland net primary productivity (NPP) by applying a multi-level modeling approach. The results of this study show that: (1) The annual grassland NPP of the TRHR has risen in a wavelike pattern over time, increasing by 39.88% overall; (2) Differences of 54.9% and 41.1% in temporal grassland NPP can be attributed to variations between these watersheds as well as county characteristics, and; (3) Although the 'warm and moist' climate trend seen over the course of this study has proved beneficial in enhancing grassland NPP, the rate of increase has tended to be faster in relatively dry and warm regions. Economic development and population growth have both exerted negative impacts on grassland NPP.
DOI10.1038/s41598-018-27150-5
WOS KeywordNET PRIMARY PRODUCTIVITY ; LAND-USE ; TERRESTRIAL ECOSYSTEMS ; QINGHAI PROVINCE ; TIBETAN PLATEAU ; TRAIT PATTERNS ; VEGETATION ; MODEL ; RESTORATION ; MANAGEMENT
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41671177] ; National Natural Science Foundation of China[91325302] ; National Natural Science Foundation of China[41501192] ; National Basic Research Program of China[2015CB452702] ; National Key Research and Development Plan of China[2016YFA0602402]
Funding OrganizationNational Natural Science Foundation of China ; National Basic Research Program of China ; National Key Research and Development Plan of China
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000435077300022
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54741
Collection中国科学院地理科学与资源研究所
Corresponding AuthorSong, Wei
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Ctr Chinese Agr Policy, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Han, Ze,Song, Wei,Deng, Xiangzheng,et al. Grassland ecosystem responses to climate change and human activities within the Three-River Headwaters region of China[J]. SCIENTIFIC REPORTS,2018,8:13.
APA Han, Ze,Song, Wei,Deng, Xiangzheng,&Xu, Xinliang.(2018).Grassland ecosystem responses to climate change and human activities within the Three-River Headwaters region of China.SCIENTIFIC REPORTS,8,13.
MLA Han, Ze,et al."Grassland ecosystem responses to climate change and human activities within the Three-River Headwaters region of China".SCIENTIFIC REPORTS 8(2018):13.
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