Did ecological engineering projects have a significant effect on large-scale vegetation restoration in Beijing-Tianjin Sand Source Region, China? A remote sensing approach

	Did ecological engineering projects have a significant effect on large-scale vegetation restoration in Beijing-Tianjin Sand Source Region, China? A remote sensing approach
	Li Xiaosong 1; Wang Hongyan 1; Zhou Shufang 1; Sun Bin 1; Gao Zhihai 1
刊名	CHINESE GEOGRAPHICAL SCIENCE
	2016
卷号	26 期号:2 页码:216-228
关键词	SKY RADIANCE MEASUREMENTS OPTICAL-PROPERTIES COAGULATION KERNEL DEPTH CLOUD WATER VARIABILITY PARTICLES INVERSION POLLUTION
通讯作者	Gao, ZH (reprint author), Chinese Acad Forestry, Inst Forest Resources Informat Tech, Beijing 100091, Peoples R China.
英文摘要	Aiming for the restoration of degraded ecosystems, many ecological engineering projects have been implemented around the world. This study investigates the ecological engineering project effectiveness on vegetation restoration in the Beijing-Tianjin Sand Source Region (BTSSR) from 2000 to 2010 based on the rain use efficiency (RUE) trend in relation to the land cover. More than half of the BTSSR experienced a vegetation productivity increase from 2000 to 2010, with the increasing intensity being sensitive to the indicators chosen. A clear tendency towards smaller increasing areas was shown when using the net primary productivity (NPP, 51.30%) instead of the accumulated normalized difference vegetation index (59.30%). The short-term variation in the precipitation and intra-seasonal precipitation distribution had a great impact on the remote sensing-based vegetation productivity. However, the residual trends method (RESTREND) effectively eliminated this correlation, while incorporating the variance and skewness of the precipitation distribution increased the models' ability to explain the vegetation productivity variation. The RUE combined with land cover dynamics was valid for the effectiveness assessment of the ecological engineering projects on vegetation restoration. Particularly, the result based on growing season accumulated normalized difference vegetation index (I NDVI) pound residuals was the most effective, showing that 47.39% of the BTSSR experienced vegetation restoration from 2000 to 2010. The effectiveness of the ecological engineering projects differed for each subarea and was proportional to the strength of ecological engineering. The water erosion region dominated by woodland showed the best restoration, followed by the wind-water erosion crisscross regions, while the wind erosion regions dominated by grassland showed the worst effect. Seriously degraded regions still cover more area in the BTSSR than restored regions. Therefore, more future effort should be put in restoring degraded land.
学科主题	Environmental Sciences & Ecology
类目[WOS]	Environmental Sciences
收录类别	SCI
语种	英语
WOS记录号	WOS:000372238400009
内容类型	期刊论文
源URL	[http://ir.radi.ac.cn/handle/183411/39366]
专题	遥感与数字地球研究所_SCI/EI期刊论文_期刊论文
作者单位	1.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China 2.Twenty First Century Aerosp Technol Co Ltd, Beijing 100096, Peoples R China 3.Chinese Acad Forestry, Inst Forest Resources Informat Tech, Beijing 100091, Peoples R China
推荐引用方式 GB/T 7714	Li Xiaosong,Wang Hongyan,Zhou Shufang,et al. Did ecological engineering projects have a significant effect on large-scale vegetation restoration in Beijing-Tianjin Sand Source Region, China? A remote sensing approach[J]. CHINESE GEOGRAPHICAL SCIENCE,2016,26(2):216-228.
APA	Li Xiaosong,Wang Hongyan,Zhou Shufang,Sun Bin,&Gao Zhihai.(2016).Did ecological engineering projects have a significant effect on large-scale vegetation restoration in Beijing-Tianjin Sand Source Region, China? A remote sensing approach.CHINESE GEOGRAPHICAL SCIENCE,26(2),216-228.
MLA	Li Xiaosong,et al."Did ecological engineering projects have a significant effect on large-scale vegetation restoration in Beijing-Tianjin Sand Source Region, China? A remote sensing approach".CHINESE GEOGRAPHICAL SCIENCE 26.2(2016):216-228.