1. Faculty of Geography, Yunnan Normal University, Kunming 650500, China
2. Key Laboratory of Resources and Environmental Remote Sensing for Universities in Yunnan Kunming, Kunming 650500, China
3. Center for Geospatial Information Engineering and Technology of Yunnan Province, Kunming 650500, China
4. Council for Geoscience, Pretoria 0001, South Africa
5. Center for Sustainable Forest Management and Remote Sensing, Volga State University of Technology, Yoshkar-Ola 424000, Russia
6. School of Geographical Science, Fujian Normal University, Fuzhou 350007, China