1. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, PR China
2. School of Food & Biological Engineering, Jiangsu University, Zhenjiang, PR China
3. Department of Environmental Science, Aarhus Institute of Advanced Studies, Aarhus University, Denmark
4. Department of Environmental Science, Aarhus University, Roskilde 4000, Denmark
5. Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou, PR China