1. Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing, China
2. Key Laboratory of Forest Ecology and Environment, State Forestry Administration, Chinese Academy of Forestry, Beijing, China
3. Dagangshan National Key Field Observation and Research Station for Forest Ecosystem, Fenyi, Jiangxi, P.R. China
4. Research Center for Terrestrial Biodiversity of the South China Sea, Hainan University, Haikou, China
5. Experimental Center for Subtropical Forestry, Chinese Academy of Forestry, Fenyi, Jiangxi, P.R. China