Li Daoji,^* Dag Daler<sup>**


*</sup>Daoji Li is a professor at the State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China. He graduated from the Marine Department of Ocean University of China (Former Shandong Ocean College) in 1984, and has worked in the Institute of Estuarine and Coastal Research, East China Normal University. During 1989 to 1990, he worked at The Netherlands Institute for Sea Research and the Delta Institute of Hydrobiological Research. He received his PhD from East China Normal University in 1998. At present, he is studying the ecosystem and biogeochemical processes of the Yangtze River Estuary, the East China Sea, and the impacts of environmental pollution of the Yangtze River Basin on the Yangtze River Estuary and the East China Sea. His address: 1 State Laboratory of Estuarine and Coastal Research, East China Normal University Shanghai 200062, P.R. China daojili@sklec.ecnu.edu.cn
^**Dag Daler is Scientific Director of the UNEP/Global International Waters Assessment (UNEP/GIWA). He received his MSc from the University of Trondheim, Norway, in physics and engineering. He also has a MBA from the Heriot-Watt University, Edinburgh. He has 20 years experience from both the public and private sectors as engineering consultant for hydroelectrical power and offshore developments. The last 10 years he has worked with governmental and international organizations with environmental problems in international waters, environmental protection, pollution control, and nuclear safety. His address: GIWA, University of Kalmar, SE-391 82 Kalmar, Sweden. dag.daler@giwa.net