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. Key Laboratory of Tree Breeding and Cultivation of State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
4. College of Geomatics, Xi’an University of Science and Technology, Xi’an, China
5. Academy of Inventory and Planning, National Forestry and Grassland Administration, Beijing, China
6. College of Forestry, Hebei Agricultural University, Baoding, China
7. College of Forestry, Northeast Forestry University, Harbin, China
8. Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Beijing, China