1. State Key Laboratory of Grassland and Agro‐Ecosystems, School of Life Sciences Lanzhou University Lanzhou Gansu Province P. R. China
2. Ecology and Biodiversity Group, Department of Biology Utrecht University Utrecht The Netherlands
3. Department of Ecology, State Key Laboratory of Biocontrol and School of Life Sciences Sun Yat‐sen University Guangzhou Guangdong Province P. R. China
4. School of Earth, Environment and Biological Sciences Queensland University of Technology Brisbane Queensland Australia
5. Department of Bioagricultural Sciences and Pest Management, Graduate Degree Program in Ecology Colorado State University Fort Collins Colorado
6. Institute of Arid Ecology and Environment Xinjiang University Urumqi Xinjiang Province P. R. China