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《Journal of Anhui Agricultural Sciences》 2011-34
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Assessment of Desert Ecosystem Health in the Typical Regions of Eastern China

XUAN Yong(National Disaster Reduction Center of China,Ministry of Civil Affairs,Beijing 100124)  
Based on information of RS and socio-economic,we selected soil erosion,terrain and LUCC indexes,the construction of desert eco-system health assessment model in Yuli County were studied,and the health condition of eco-system health assessment model in Yuli County in 2000 were evaluated preliminarily.We found that the first grade health desert-ecosystem covered 3.14% of total eco-system area in Yuli County;the second grade covered 5.79%;the third grade covered 8.10%;the forth grade covered 4.2%.The research concluded that the unbalanced distribution of water resources and impacts of human disturbance were the main factors for the healthy level of desert ecosystem.
【Fund】: 国家科技部863重点项目(2009AA122002-2);; 国家科技支撑计划项目(2008BAK52B04)
【CateGory Index】: X826
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