干旱区生态环境知识资源中心(Arid): Contributions of ecological programs to vegetation restoration in arid and semiarid China

Arid

DOI	10.1088/1748-9326/abbde9
	Contributions of ecological programs to vegetation restoration in arid and semiarid China
	Cai, Diwen; Ge, Quansheng; Wang, Xunming; Liu, Baoli; Goudie, Andrew S.; Hu, Shi
通讯作者	Ge, QS
来源期刊	ENVIRONMENTAL RESEARCH LETTERS
ISSN	1748-9326
出版年	2020
卷号	15 期号:11
英文摘要	Over the past four decades, large-scale ecological programs, including the 'Great Green Wall Program' (1978-present), 'Grain for Green Program' (1999-present), 'Grassland Ecological Protection Program' (2000-present), and 'Beijing-Tianjin Sandstorm Source Control Project' (2002-present), were launched to restore vegetation, to combat desertification, and to control dust storms in arid and semiarid China. The gross investments of these programs have exceeded 1700 billion RMB (similar to 260 billion USD, accounting for similar to 1% GDP in the region) by now, however, the effects of these programs on vegetation restoration have not been settled. In this study, the vegetation indices, land-uses, and climatic factors were used to estimate the contribution of the above programs on vegetation restoration. The results showed that consistent vegetation restoration has occurred in about 45.3% of the vegetated areas in arid and semiarid China from 1982 to 2000, and the percentage decreased to 33.6% after 2000 despite more ecological programs have been launched. Changes in climatic factors (precipitation, temperature, solar radiation, and wind speed) and elevated atmospheric CO2 concentration contributed more than 50% and 70% to vegetation restoration in periods of 1982-2000 and 2001-2015, respectively, however, the contribution rate of ecological programs kept stable at about 20%. Climate changes in the past forty years played a dominant role, although the ecological programs showed a noticeable effect on vegetation restoration. Further investment in ecological restoration practices might need to be critically evaluated on the cost-effectiveness.
英文关键词	ecological program climate change vegetation restoration arid and semiarid China
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000591065800001
WOS关键词	SCALE AFFORESTATION EFFORTS ; GRAZING EXCLUSION ; CLIMATE-CHANGE ; EAST-ASIA ; DESERTIFICATION ; PRECIPITATION ; REGION ; PRODUCTIVITY ; VARIABILITY ; RESPONSES
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
来源机构	中国科学院地理科学与资源研究所 ; University of Oxford
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/327575
作者单位	[Cai, Diwen; Wang, Xunming; Hu, Shi] Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China; [Cai, Diwen; Ge, Quansheng; Wang, Xunming] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China; [Ge, Quansheng] Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China; [Liu, Baoli; Goudie, Andrew S.] Univ Oxford, Sch Geog & Environm, Oxford OX1 3QY, England
推荐引用方式 GB/T 7714	Cai, Diwen,Ge, Quansheng,Wang, Xunming,et al. Contributions of ecological programs to vegetation restoration in arid and semiarid China[J]. 中国科学院地理科学与资源研究所, University of Oxford,2020,15(11).
APA	Cai, Diwen,Ge, Quansheng,Wang, Xunming,Liu, Baoli,Goudie, Andrew S.,&Hu, Shi.(2020).Contributions of ecological programs to vegetation restoration in arid and semiarid China.ENVIRONMENTAL RESEARCH LETTERS,15(11).
MLA	Cai, Diwen,et al."Contributions of ecological programs to vegetation restoration in arid and semiarid China".ENVIRONMENTAL RESEARCH LETTERS 15.11(2020).