Estuary locates the intersecting zone between ocean and river

it is the wetland ecosystem type with great resources potent and environmental values. Besides it can provide a lot of foods

materials and water resources

it can keep regional eco-balance

maintain biodiversity and rare species

regulate water resources

control flood and fight natural adversities

degrade pollutions and provide trip etc.. However

owing to the unreasonable exploitation and utilization for a long time

the living environment has degenerated

biodiversity has decreased seriously

the environmental pollution

erosion of coast and estuary deposition have been aggravated. It is imperative to conserve and utilize reasonably estuary resources. The menaces faced with of estuaries and the main problems during the management

conservation and utilization of Chinese estuaries are analyzed

and the sustainable management countermeasures are put forward.