Wetland Ecosystem Health Assessment Based On Landscape Pattern Analysis

Urbanization brings a series of landscape pattern change and ecosystem health problems which have worthy of attention and research.Cities as matter and energy exchange and information flow concentration area, often ignored the role of ecological benefit in city.Urban planning and construction, urban wetland in maintaining and protect the health of urban ecosystem has a pivotal role.Shanghai as a national goal of priority to the development of modern region, its greatly speed up the process of urbanization.As part of the urban green space system,urban wetland construction has been related planning of Shanghai municipal government.In songjiang wetland five library as the study area, this paper carried out based on the city under the small scale of artificial wetland ecosystem health assessment.Established the vegetation cover birds, the landscape pattern characteristics, human disturbance, ecosystem services and resilience of the ecosystem health assessment index system.From the aspect of traditional ecology and landscape ecology point of view, the ecosystem health assessment model, and according to the actual situation of urban artificial wetlands is improved, and the final five library of songjiang wetland ecosystem health evaluation.The results showed that five library of artificial wetland ecosystem health, artificial wetland and natural wetland has certain difference, compared human disturbance more traces.Do not have a high level of vegetation diversity of birds, severe pollution on water quality in some indexes, there is a phenomenon of invasive species.Wetland island, beach, water,vegetation for various types of landscape layout exists room for improvement.To optimize birds vegetation habitat, improve wetland ecological value.Artificial buildings scattered distribution, traffic routes, could adjust the wetland various patches for increased connectivity to reduce the disturbance to the ecosystem.At the same time set up the wetland reserve line, control the surrounding the influence of artificial factors.Strengthen the propaganda and policies to guide and improve the consciousness of the protection of the wetland local residents.In the follow-up research and planning should strengthen the continuous daily management of wetlands, introduced digital surveillance equipment into the integrated system of Shanghai urban wetland management for unified management and coordination.