1. Research Center of Forest Management Engineering of State Forestry Administration Beijing Forestry University Beijing China
2. Department of Renewable Resources University of Alberta Edmonton Alberta Canada
3. Jilin Provincial Academy of Forestry Sciences Changchun China
4. Faculty of Forestry and Forest Ecology Georg‐August‐University Göttingen Göttingen Germany
5. Department of Forest and Wood Science University of Stellenbosch Stellenbosch South Africa