1. College of Life Sciences; University of Chinese Academy of Sciences; Beijing China
2. Institute of International Rivers and Eco-Security; Yunnan University; Kunming China
3. Key Laboratory of Environment Change and Resources Use in Beibu Gulf; Guangxi Teachers Education University, Ministry of Education; Nanning China
4. College of Resources and Environment; University of Chinese Academy of Sciences; Beijing China
5. Institute of Tibetan Plateau Research; Chinese Academy of Sciences; Beijing China