Ms Yuan-yuan Dai is working at Tianjin Fisheries Research Institute. She graduated from Tianjin Agricultural College, China in 2004, and got her Master degree from Dalian Ocean University, China in 2010. Her interest lies in marine ecology, ecotoxicology, environmental biology, aquaculture ecology, construction of marine pastureland and artificial reef, persistent organic pollutant and so on. The related results have been published in Marine Pollution Bulletin and Chemosphere.