Inst. of Environmental Sciences, Beijing Normal University, Beijing 100875, China;
Inst. of Environmental Sciences, Beijing Normal University, Beijing 100875, China;
Inst. of Environmental Sciences, Beijing Normal University, Beijing 100875, China;
Dept. of Resources and Environmental Science, Beijing Normal University, Beijing 100875,China;
Dept. of Resources and Environmental Science, Beijing Normal University, Beijing 100875,China;
Dept. of Resources and Environmental Science, Beijing Normal University, Beijing 100875,China;
Qinghai-Tibet Plateau; environmental assessment; remote sensing; GIS;