1. Department of Agricultural and Forestry Science and Technology, Chongqing Three Gorges Vocational College, Chongqing 404000, China
2. School of Hydrology and Water Resources, Nanjing University of Information Science and Technology, Nanjing 210044, China
3. Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir, Chongqing Three Gorges University, Chongqing 404100, China