1. State Key Laboratory of Grassland Agro-Ecosystems, Center for Grassland Microbiome, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China
2. Grasslands Research Centre, AgResearch, Palmerston North, New Zealand
3. Huaiyin Institute of Agricultural Sciences of Xuhuai Region in Jiangsu, Jiangsu, China
4. School of Geographical Science, Lingnan Normal University, Zhanjiang, China