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《Journal of Anhui Agricultural Sciences》 2013-11
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Remote Sensing Monitoring on Major Eco-Environmental Degradation of Maqu County,Gansu Province in Recent 10a

WANG Wei-hong(Gansu Environmental Science Design Institute,Lanzhou,Gansu 730020)  
Based on RS and GIS technique,Landsat images in 2000,2005 and 2010 were used to monitor the status of ecological environment of Maqu County in Gansu Province.The results showed that the ecologic environment has been deteriorated,but the degree has been reduced.The area of the vegetation coverage of mild recovery is accounted for more than 45% of the total area.Desertification area reduced,and the degree of it decreased.The area of marsh wetland has been reduced,which has been mainly into the grassland.The eco-environment deterioration was mainly caused by both over grazing and population increasing.
【CateGory Index】: X835
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