Abstract:The first nuclear power plant of China, Daya Bay Nuclear Power Plant (DBNPP), is located on the western shore of subtropical Daya Bay in Guangdong province. The phases one and two began commercial operation in early 1994 and May 2003, respectively. The total capacity of DBNPP is 4 000 megawatt (MW). Currently the power plant discharges thermal waste water into the Daya Bay at a maximum rate of 200m~3/s. The effects of discharged thermal water from the DBNPP on the marine organisms and ecological environment...