Dr. Youzhu Weng earned her PhD in the field of Marine Biology from Xiamen University in 1999. She is now working in Third Institute of Oceanography, State Oceanic Adminstration as a researcher professor. She has long been engaged in aquatic basic biological research and economic animal breeding technology development, and currently engaged in pollutants biological effects and its detection technology research and development. To date, she has hosted and participated in nearly 20 national, provincial and ministerial projects, and published more than 70 academic theses.