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Effects of an ecological conservation and restoration project in the Three-River Source Region, China
Shao, Quanqin; Cao, Wei; Fan, Jiangwen; Huang, Lin; Xu, Xinliang
2017-02-01
Source PublicationJOURNAL OF GEOGRAPHICAL SCIENCES
ISSN1009-637X
Volume27Issue:2Pages:183-204
Corresponding AuthorHuang, Lin(huanglin@igsnrr.ac.cn)
AbstractThe first-stage of an ecological conservation and restoration project in the Three-River Source Region (TRSR), China, has been in progress for eight years. However, because the ecological effects of this project remain unknown, decision making for future project implementation is hindered. Thus, in this study, we developed an index system to evaluate the effects of the ecological restoration project, by integrating field observations, remote sensing, and process-based models. Effects were assessed using trend analyses of ecosystem structures and services. Results showed positive trends in the TRSR since the beginning of the project, but not yet a return to the optima of the 1970s. Specifically, while continued degradation in grassland has been initially contained, results are still far from the desired objective, 'grassland coverage increasing by an average of 20%-40%'. In contrast, wetlands and water bodies have generally been restored, while the water conservation and water supply capacity of watersheds have increased. Indeed, the volume of water conservation achieved in the project meets the objective of a 1.32 billion m(3) increase. The effects of ecological restoration inside project regions was more significant than outside, and, in addition to climate change projects, we concluded that the implementation of ecological conservation and restoration projects has substantially contributed to vegetation restoration. Nevertheless, the degradation of grasslands has not been fundamentally reversed, and to date the project has not prevented increasing soil erosion. In sum, the effects and challenges of this first-stage project highlight the necessity of continuous and long-term ecosystem conservation efforts in this region.
KeywordThree-River Source Region ecological conservation and restoration ecosystem monitoring and assessment ecological effects
DOI10.1007/s11442-017-1371-y
WOS KeywordPATTERNS
Indexed BySCI
Language英语
Funding ProjectNational Nature Sciences Foundation of China[41571504] ; National Key Technology Research and Development Program[2013BAC03B00]
Funding OrganizationNational Nature Sciences Foundation of China ; National Key Technology Research and Development Program
WOS Research AreaPhysical Geography
WOS SubjectGeography, Physical
WOS IDWOS:000390068200004
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/65257
Collection中国科学院地理科学与资源研究所
Corresponding AuthorHuang, Lin
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Shao, Quanqin,Cao, Wei,Fan, Jiangwen,et al. Effects of an ecological conservation and restoration project in the Three-River Source Region, China[J]. JOURNAL OF GEOGRAPHICAL SCIENCES,2017,27(2):183-204.
APA Shao, Quanqin,Cao, Wei,Fan, Jiangwen,Huang, Lin,&Xu, Xinliang.(2017).Effects of an ecological conservation and restoration project in the Three-River Source Region, China.JOURNAL OF GEOGRAPHICAL SCIENCES,27(2),183-204.
MLA Shao, Quanqin,et al."Effects of an ecological conservation and restoration project in the Three-River Source Region, China".JOURNAL OF GEOGRAPHICAL SCIENCES 27.2(2017):183-204.
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