1. State Key Laboratory of Grassland Agroecosystems, Center for Grassland Microbiome, Lanzhou University, Lanzhou, People’s Republic of China
2. College of Pastoral, Agriculture Science and Technology, Lanzhou University, Lanzhou, People’s Republic of China
3. Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
4. Erguna Forest-Steppe Ecotone Research Station, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, People’s Republic of China
5. Department of Biology, Evolutionary Ecology of Plants, Philipps University Marburg, Marburg, Germany