1. State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou, China
2. School of Geographical Sciences, Fujian Normal University, Fuzhou, China
3. State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
4. School of Environmental & Resource Sciences, Zhejiang A&F University, Hangzhou, China
5. Institute of Forest Resources Information Technique, Chinese Academy of Forestry, Beijing, China