1. Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11A Datun Road, Chaoyang District, 100101 Beijing, China
2. Department of Microbiology and Ecosystem Science, Terrestrial Ecosystem Research, University of Vienna, Althanstrasse 14, A‐1090 Wien, Austria
3. Northwest Institute of Plateau Biology, Chinese Academy of Sciences, NO. 23 Xinning Road, 810008 Xining, China
4. Department of Soil Science of Temperate Ecosystems, University of Göttingen, 37077 Göttingen, Germany
5. Department of Agricultural Soil Science, University of Göttingen, 37077 Göttingen, Germany