[1] Chinese Academy of Sciences,Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology
[2] Fujian Agriculture and Forestry University,College of Computer and Information
[3] Indiana University-Purdue University,Department of Earth Sciences
[4] University of Chinese Academy of Sciences,Universities Service Centre for China Studies
[5] Chinese University of Hong Kong,School of Computer and Information
[6] Hefei University of Technology,undefined