1. State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science Beijing Normal University Beijing China
2. School of Natural Resources, Faculty of Geographical Science Beijing Normal University Beijing China
3. CSIC, Global Ecology Unit CREAF‐CSIC‐UAB Cerdanyola del Vallès Catalonia Spain
4. CREAF Cerdanyola del Vallès Catalonia Spain
5. Institute for Global Change Biology University of Michigan Ann Arbor Michigan USA
6. Department of Forest Resources University of Minnesota St. Paul Minnesota USA