1. Centre for Integrative Conservation, Community Ecology and Conservation Group, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, China
2. University of Chinese Academy of Science, Beijing, China
3. Resource Ecology Group, Wageningen University and Research Centre, Wageningen, The Netherlands
4. School of Life Sciences, Westville Campus, University of KwaZulu-Natal, Durban, South Africa
5. Forestry Research Institute of Ghana, Council for Scientific and Industrial Research, Kumasi, Ghana
6. Nature Conservation and Plant Ecology Group, Wageningen University and Research Centre, Wageningen, The Netherlands