Institution: | XU Yong 1,YANG Bo 1,2,TANG Qing 1,LIU Guobin 3,LIU Puling 3 1 Institute of Geographic Sciences and Natural Resources Research,CAS,Beijing 100101,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China 3 Institute of Soil and Water Conservation,Yangling Shaanxi 712100,China |