1. Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, China
2. Key Laboratory of Forestry Remote Sensing and Information System, National Forestry and Grassland Administration, Beijing, China
3. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
4. Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing, China
5. Research Institute of Protected Area, Chinese Academy of Forestry, Beijing, China
6. Key Laboratory of Biodiversity Conservation of National Forestry and Grassland Administration, Beijing, China
7. Institute of Photogrammetry and Remote Sensing, Chinese Academy of Surveying and Mapping, Beijing, China