1. Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou City, Hainan Province, People’s Republic of China
2. Hainan Danzhou Tropical Agro-ecosystem National Observation and Research Station, Danzhou City, Hainan Province, People’s Republic of China
3. College of Ecology and Environment, Hainan University, Haikou, China
4. School of Life Sciences, Fudan University, Shanghai, People’s Republic of China