1. Institute of Hydrobiology Chinese Academy of Sciences 430072 Wuhan PR China
2. Key Laboratory of Algal Biology, Institute of Hydrobiology Chinese Academy of Sciences 430072 Wuhan PR China
3. College of Resources and Environment University of Chinese Academy of Sciences 100049 Beijing PR China
4. College of Environment Chengdu University of Technology 610059 Chengdu PR China
5. Central Station of Environmental Monitoring Changjiang River Administration of Affairs, Ministry of Transport 430010 Wuhan PR China