Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.ecoleng.2015.04.098 |
Response of vegetation activity dynamic to climatic change and ecological restoration programs in Inner Mongolia from 2000 to 2012 | |
Tian, Haijing1,2; Cao, Chunxiang1; Chen, Wei1; Bao, Shanning1,2; Yang, Bin1,2; Myneni, Ranga B.3 | |
通讯作者 | Cao, Chunxiang |
来源期刊 | ECOLOGICAL ENGINEERING
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ISSN | 0925-8574 |
EISSN | 1872-6992 |
出版年 | 2015 |
卷号 | 82页码:276-289 |
英文摘要 | To address devastating land desertification and soil erosion and to improve human well-being, central government in China has implemented a number of ecological restoration programs. It is essential to rigorously monitor the dynamic of vegetation activity and evaluate the effectiveness of these programs, not only to provide scientific support for ecosystem monitoring in arid and semi-arid region, but also to assess the efficiency of ecological restoration policy. Taking Inner Mongolia as study area, we used 13 years (2000-2012) of both climatic data and MODIS NDVI data to (1) assess the spatiotemporal vegetation dynamic and map areas of significant vegetation restoration and degradation, (2) analyze the impacts of climatic changes on vegetation activity and map areas where vegetation activity dynamic was significantly affected by climatic change, (3) map main driving forces of significant vegetation restoration or degradation, (4) validate the zones where vegetation significant restoration were mainly impacted by ecological restoration programs with vegetation fractional cover data in 2000 and 2012. Results showed an overall greening (15.38% significant NDVI increasing) and partial degradation (1.64% significant NDVI decreasing) in Inner Mongolia. It was estimated that annual precipitation most strongly and significantly limited vegetation growth over 45.1% of Inner Mongolia, whereas sunlit hours significantly limited growth over 3.37% and air temperature significantly over 0.73% of Inner Mongolia. Among the 15.38% significant greening region, 5.86% was caused by climatic changes, 5.67% was caused by ecological restoration programs, and the other 3.8% was caused by multi-factors. Among the 1.64% significant degradation region, 0.17% was caused by climatic changes and other 1.47% can be explained by human activities, such as population growth and city expansion. (C) 2015 Elsevier B.V. All rights reserved. |
英文关键词 | Ecological restoration programs NDVI Climate change Inner Mongolia Vegetation activity MODIS |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China ; USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000360189100031 |
WOS关键词 | SAND SOURCE REGION ; NDVI TIME-SERIES ; AVHRR NDVI ; CHINA ; TEMPERATURE ; DESERTIFICATION ; PRODUCTIVITY ; VARIABILITY ; PHENOLOGY ; RAINFALL |
WOS类目 | Ecology ; Engineering, Environmental ; Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Engineering |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/186785 |
作者单位 | 1.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Key Lab Remote Sensing Sci, Ctr Applicat Spatial Informat Technol Publ Hlth, Beijing, Peoples R China; 2.Univ Chinese Acad Sci, Beijing, Peoples R China; 3.Boston Univ, Dept Earth & Environm, Boston, MA 02215 USA |
推荐引用方式 GB/T 7714 | Tian, Haijing,Cao, Chunxiang,Chen, Wei,et al. Response of vegetation activity dynamic to climatic change and ecological restoration programs in Inner Mongolia from 2000 to 2012[J],2015,82:276-289. |
APA | Tian, Haijing,Cao, Chunxiang,Chen, Wei,Bao, Shanning,Yang, Bin,&Myneni, Ranga B..(2015).Response of vegetation activity dynamic to climatic change and ecological restoration programs in Inner Mongolia from 2000 to 2012.ECOLOGICAL ENGINEERING,82,276-289. |
MLA | Tian, Haijing,et al."Response of vegetation activity dynamic to climatic change and ecological restoration programs in Inner Mongolia from 2000 to 2012".ECOLOGICAL ENGINEERING 82(2015):276-289. |
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