1. Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, People’s Republic of China
2. College of Environment, Hohai University, Nanjing, People’s Republic of China
3. Ministry of Ecology and Environment, Nanjing Institute of Environmental Sciences, Nanjing, People’s Republic of China
4. Geosystems Research Institute, Mississippi State University, Mississippi State, MS, USA