We introduce the fish fauna composition and main commercial fishes in Yangtze River estuary. We also analyze the current situation of resources and environment in Yangtze River estuary as well as the influential factors. Finally, related countermeasures are put forward on how to protect and use...

We analyze the causes of food crisis in developing countries according to the global food crisis at present. Finally, we put forward some relevant policy suggestions for coping with the food crisis.