1. Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden Chinese Academy of Sciences Guangzhou China
2. Center for Plant Ecology, Core Botanical Gardens Chinese Academy of Sciences Guangzhou China
3. Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden Chinese Academy of Sciences Guangzhou China
4. University of Chinese Academy of Sciences Beijing China
5. Center for Ecological Research Northeast Forestry University Harbin China
6. Center for Ecosystem Science and Society Northern Arizona University Flagstaff AZ