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- W2373841443 abstract "Wetland is a kind of important natural resources and ecosystem. In recent years, the potential and function of wetland have been destroyed by various contradictions among population, resource) environment and development. Therefore, it is vital to protect wetland, to assess and thus reduce all kinds of pressures with which wetland are confronted, to analyze the status of wetland and to explore evolutionary rules. By using GIS and the remote sensing data obtained in 1986 and 2000 as basic information resource, the spatial information database of Sanjiang Plain wetland is established in this paper. A set of assessment indicators of wetland eco-environment is also established according to the pressure-state-response (PSR) model. The dynamic change of wetland eco-environment is analyzed by selecting assessment indicators as pressure, statues and response, etc. Three essential conclusions are drawn as follows. Firstly, because of the human activity during the past 15 years, the area of artificial wetland increased and that of natural wetland decreased. It is a reflection of the decrease of wetland ecosystem service function. Secondly, the changes obviously occur in the structure and status of wetland. The fragileness and degeneration of wetland are very severe. Finally, the response of wetland is that its area is decreasing while the response of human beings is that the area of wetland reserve is increasing." @default.
- W2373841443 created "2016-06-24" @default.
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- W2373841443 date "2006-01-01" @default.
- W2373841443 modified "2023-09-26" @default.
- W2373841443 title "Change Analysis of Wetland Eco-environment in Sanjiang Plain" @default.
- W2373841443 hasPublicationYear "2006" @default.
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