1. College of Geographical Science, Fujian Normal University, Fuzhou 350007, China
2. Northwest Institute of Eco-Environmental and Resources Research, Chinese Academy of Sciences, Lanzhou 730000, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
4. Institute of Geography, Fujian Normal University, Fuzhou 350007, China
5. Fujian Provincial Engineering Research Center for Monitoring and Assessing Terrestrial Disasters, Fujian Normal University, Fuzhou 350007, China
6. State Key Laboratory of Subtropical Mountain Ecology (Funded by Ministry of Science and Technology and Fujian Province), Fujian Normal University, Fuzhou 350007, China