College of Environment University 210098;
Pearl River Water Resources Research Institute 510611;
Key Laboratory of the Pearl River Estuary Regulation and Protection of Ministry of Water Resources 510611;
Guangdong Provincial Engineering Technology Research Center for Life and Health of River&Lake 510611;
Key Laboratory for Information System of Mountainous Area and Protection of Ecological Environment of Guizhou Province Normal University 550001;
Bureau of Ecological Environment of Xunwu County of Jiangxi Province 342200;
community stability; functional group stability; phytoplankton diversity; resource utilization effi ciency; RESERVOIR;