1. Department of Biology, Microbial Ecology Group Lund University Ecology Building Lund SE‐223 62 Sweden
2. CAS Key Laboratory of Mountain Surface Processes and Ecological Regulation Institute of Mountain Hazards and Environment, Chinese Academy of Sciences Chengdu 610041 China
3. Centre for Environmental and Climate Research (CEC) Lund University Ecology Building Lund SE‐223 62 Sweden