1. Zhejiang Tiantong Forest Ecosystem National Observation and Research Station Research Center of Global Change and Complex Ecosystems School of Ecological and Environmental Sciences East China Normal University Shanghai P. R. China
2. Shanghai Institute of Pollution Control and Ecological Security Shanghai P.R. China
3. Biodiversity Research Centre and Department of Botany University of British Columbia Vancouver Canada
4. Forest Ecology and Forest Management Group Wageningen University Wageningen the Netherlands
5. Department of Renewable Resources University of Alberta Edmonton Canada
6. Government of Alberta Department of Agriculture, Forestry and Rural Economic Development Edmonton Canada
7. Key Laboratory for Subtropical Mountain Ecology Ministry of Science and Technology and Fujian Province Funded School of Geographical Sciences Fujian Normal University Fuzhou P. R. China
8. State Key Laboratory of Grassland Agro‐ecosystems, and College of Pastoral, Agriculture Science and Technology Lanzhou University Lanzhou P. R. China