1. State Key Laboratory of Vegetation and Environmental Change Institute of Botany, Chinese Academy of Sciences Beijing China
2. University of Chinese Academy of Sciences Beijing China
3. Botanic Garden and Research Institute Mongolian Academy of Sciences Ulaanbaatar Mongolia
4. Key Laboratory of Vegetation Ecology of the Ministry of Education, Institute of Grassland Science Northeast Normal University Jilin China
5. Institute of Wetland Research, Chinese Academy of Forestry Beijing China
6. Systems Ecology, A‐LIFE Vrije Universiteit Amsterdam The Netherlands