1. Inst. of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking Univ. Beijing China
2. Center for Macroecology, Evolution and Climate, GLOBE Inst., Univ. of Copenhagen Copenhagen Denmark
3. Inst. of Innovation Ecology, Lanzhou Univ. Lanzhou Gansu China
4. Key Laboratory of Bio‐Resource and Eco‐Environment of Ministry of Education, College of Life Sciences, Sichuan Univ. Chengdu Sichuan China
5. Inst. of General and Experimental Biology, Siberian Branch of Russian Academy of Science Ulan‐Ude Russia
6. Dept of Ecology and Ecological Engineering, College of Resources and Environmental Sciences, and Key Laboratory of Biodiversity and Organic Farming of Beijing City, China Agricultural Univ. Beijing PR China
7. Dept of Natural History, Univ. Museum of Bergen, Univ. of Bergen Bergen Norway