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The Spatial Pattern of Land Use under the Different Ecoregion in the Middle of Inner Mongolia

XU Xia, WANG Jingai, JIA Haikun, GAO Qiong ( Key Laboratory of Environmental Change and Natural Disaster, Ministry of Education of China, Beijing Normal University; College of Resources Science and Technology, Beijing Normal University ,Beijing 100875, China; College of Geography and Remote Sensing Sciences,Beijing Normal University , Beijing 100875, China)  
The research of land use is significant to global environmental change and sustainable development. The environmental effect of land use change is profound to water cycle, environment quality, biodiversity, productivity and response capacity of terrestrial ecosystem. The factor of nature and socity effects the spatial feature of land use. Based on the technology of GIS,the article studies several factors synthetically and unifies different units of social data and natural data. After analysis of the spatial feature under the different physical ecoregion in the middle of Inner Mongolia, it is shown that the constraint to the spatial feature of land use is different under different physical ecoregions. The pattern of quantity and space is more different under different physical ecoregions.
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