1. Key Laboratory of the Three Gorges Reservoir's Eco-Environments, Ministry of Education, Chongqing University, Chongqing 400045, China
2. Chongqing Water Group Co. Ltd, Chongqing 400015, China
3. Faculty of Urban Construction and Environmental Engineering, Chongqing University, 174 Shazheng Street, 400045 Chongqing, China