1. State Key Laboratory of Vegetation and Environmental Change Institute of Botany Chinese Academy of Sciences Beijing100093China
2. School of Ecology and Environment Inner Mongolia University Hohhot010021China
3. Department of Biology Western Washington University Bellingham Washington98225USA
4. Department of Grassland Science College of Ecology and Environmental Science Inner Mongolia Agricultural University Hohhot010019China
5. School of Environmental and Forest Sciences University of Washington Seattle Washington98195USA
6. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Deutscher Platz 5e Leipzig04103Germany
7. Department of Community Ecology Helmholtz Centre for Environmental Research‐UFZ Theodor‐Lieser‐Str. 4 Halle06120Germany
8. Department of Ecology Universidade Federal do Rio Grande do Norte Natal Brazil
9. Department of Ecosystem Science and Management Texas A&M University College Station Texas77843USA
10. Institute of Crop Science and Plant Breeding ‐ Grass and Forage Science/Organic Agriculture Christian‐Albrechts‐University Hermann‐Rodewald‐Str. 9 Kiel24118Germany
11. College of Life Sciences University of Chinese Academy of Sciences Beijing100049China
12. College of Resources and Environment University of Chinese Academy of Sciences Beijing100049China