State Key Laboratory of Soil and Sustainable Agriculture,Institute of Soil Science,Chinese Academy of Sciences,Nanjing 210008,China

Zigui Three Gorges Reservoir Ecosystem,Observation and Research Station of Ministry of Water Resources of the People's Republic of China,Yichang 443605,China

University of Chinese Academy of Sciences,Beijing 100049,China

College of Nanjing,University of Chinese Academy of Sciences,Nanjing 211135,China

Faculty of Energy and Environment,Northumbria University,Newcastle-upon-Tyne NE1 8QH,UK

Department of Microbiology,College of Life Sciences,Nanjing Agricultural University,Key Laboratory of Agricultural and Environmental Microbiology,Ministry of Agriculture and Rural Affairs,Nanjing 210095,China

College of Urban Construction,Nanjing Tech University,Nanjing 211816,China

Department of Civil and Environmental Engineering,Princeton University,Princeton NJ 08540,USA

Biodesign Swette Center for Environmental Biotechnology,Arizona State University,Tempe AZ 85287-5701,USA