1 State Key Laboratory of Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
2 State Key Laboratory of Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China; Academy of Disaster Reduction and Emergency Management, Ministry of Emergency Management and Ministry of Education, Beijing Normal University, Beijing 100875, China.
3 College of Geographical Science, Qinghai Normal University, Xining 810016, China.
4 College of Life Science, Qinghai Normal University, Xining 810016, China.
5 State Key Laboratory of Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China; Academy of Disaster Reduction and Emergency Management, Ministry of Emergency Management and Ministry of Education, Beijing Normal University, Beijing 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
6 Academy of Disaster Reduction and Emergency Management, Ministry of Emergency Management and Ministry of Education, Beijing Normal University, Beijing 100875, China; State Key Laboratory of Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China.
7 Academy of Plateau Science and Sustainability, People's Government of Qinghai Province and Beijing Normal University, Xining 810016, China; Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
8 Academy of Plateau Science and Sustainability, People's Government of Qinghai Province and Beijing Normal University, Xining 810016, China; College of Life Science, Qinghai Normal University, Xining 810016, China.
9 State Key Laboratory of Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China; Academy of Plateau Science and Sustainability, People's Government of Qinghai Province and Beijing Normal University, Xining 810016, China; Academy of Disaster Reduction and Emergency Management, Ministry of Emergency Management and Ministry of Education, Beijing Normal University, Beijing 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China. Electronic address: spj@bnu.edu.cn.