Ecological Restoration On Wetland Of The Loushan River Estuary, Jiaozhou Bay, Qingdao

The Coastal wetlands are important ecosystems between land and sea ecosystems, which provide important habitats for fish and wildlife, maintain the coastal biological diversity. However,people develop wetlands so excess that decrease their areas and quantities,and this behavior induces serious environment and developmentproblems.Along with the increasing of polulation and the continuance development of economy, the disturbance to the coastal wetland grows in intensity, and the coastal wetland has become a more frangibal ecosystem all over the world. Now the coastal wetlands of China are confronting serious threaten of wetland loss and eco-environmental deterioration.So, when we pay attention to expoitation, we should take the restoration of wetlands into accout. Accordingly, it is a light pot of the wetland research.Land reclamation, city and port development, pollution and excessive use of coastal biologic resource are considered as the main environmental forcing factors to the degradation of coastal wetlands.This paper integrates the director's fund project"Marine environmental protection program of Qingdao". The research approach of the paper is an analysis of the data from collecting second-hand statistic information and data, according with from fieldwork.The study Emphasises on the facet of restoration. Wetland of the Loushan River Estuary inJiaozhou Bay is a representative example of ecological destruction.From the perspective of ecological restoration, reviews the current situation and cause of Loushan river estuary pollute and ecological destroy, and analyzes the current distribution and characteristics of white mud and other polutants. This paper constructs a tidal current numerical models of Jiaozhou Bay and a convection- dispersion model, analysis and predictes the distribution of concentration when the sewage of Loushan River is discharged concentratively, and chooses COD, inorganic nitrogen, inorganic phosphorusas and oil pollutants as the index factor of pollution. This paper has a detailed discussion on several restoration methods. Moreover, its possibility, feasibility and impact on nearby sea area and environment. The results can provide scientific basis for the ecological restoration and wetland protection of Qingdao.