1. College of Geography and Tourism, Jilin Normal University, Siping, Jilin, People’s Republic of China
2. National Key Laboratory of Science and Technology on Remote Sensing Information and Image Analysis, Beijing Research Institute of Uranium Geology, Beijing, People’s Republic of China
3. School of Earth Sciences and Resources, China University of Geosciences, Beijing, People’s Republic of China
4. Institute of Politics and Law, Taiyuan University of Technology, Taiyuan, People’s Republic of China
5. School of Economics and Management, Sichuan University of Science and Engineering, Zigong, People’s Republic of China
6. State Key Laboratory Breeding Base of Humid Subtropical Mountain Ecology, Key Laboratory of Plant Physiology and Ecology of Fujian Province, College of Geographical Sciences, Fujian Normal University, Fuzhou, People’s Republic of China