Reduction of land-based pollution in the region’s coastal areas and major river basins to make treated effluent conform with discharge standards so as to improve the aquatic environment;?

     Ensure that Landscaping of the constructed wetlands promotes the integration of aesthetic values with ecological functions, providing opportunities for wildlife habitat, environmental education and human enjoyment, and resulting in an environmental friendly environment that is to help build a future in which humans live in harmony with nature;

    Construction of a natural buffer area between water and shore that provides a good habitat for wildlife and restores the ecological system of the reclaimed wetland along Hangzhou Bay to prevent the degradation of the large marine ecological system.