1. State Key Laboratory of Geobiology and Environmental Geology China University of Geosciences Wuhan P. R. China
2. School of Environmental Studies China University of Geosciences Wuhan P. R. China
3. Department of Earth, Atmospheric and Planetary Sciences Massachusetts Institute of Technology Cambridge Massachusetts USA
4. Department of Microbial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
5. CAGS/Key Laboratory of Karst Dynamics, Institute of Karst Geology Chinese Academy of Geological Sciences Guilin P. R. China
6. State Key Laboratory of Microbial Resources, Institute of Microbiology Chinese Academy of Sciences Beijing P. R. China