[1]Key Laboratory of Marine Ecology and Environmental Science Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 China;
[2]Laboratory of Marine Ecology and Environmental Science Qingdao National Laboratory for Marine Science and Technology Qingdao 266237 China;
[3]Center for Ocean Mega-Science Chinese Academy of Sciences Qingdao 266071 China;
[4]University of Chinese Academy of Sciences Beijing 100049 China;
eutrophication assessment; integrated methodology; Northwest Pacifi c Action Plan (NOWPAP) Common Procedure; Jiaozhou Bay;