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Research and Development of Spatial Management Decision Support System for Wetland Restoration Area in Chongming Island

Author: YangXiaoFei
Tutor: WangKaiYun
School: East China Normal University
Course: Ecology
Keywords: Chongming Island Wetland restoration area Space management decision support system
CLC: X37
Type: Master's thesis
Year: 2011
Downloads: 58
Quote: 1
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Abstract


Wetlands is distributed between terrestrial ecosystems and aquatic ecosystems has unique hydrological, soil, vegetation, and biological characteristics of ecosystems, land and water interact to form unique natural complex. Wetlands not only has to maintain water, water purification, flood storage the huge ecological functions of droughts and regulating climate, and at the same time it is also a biodiversity rich area, is the world's most dynamic ecosystem, is a hot research field of Resources and Environment a. Chongming Dongtan wetland environment through natural changes and long-term socio-economic activities of the human impact on ecosystems, natural - social - economic complex ecosystem. Use patterns and their effect in reclaimed tidal status quo analysis showed that the wetland ecosystem due to differences in environmental factors, their own conditions, management measures, the level of ecological processes and produce a series of functional characteristics and risks of space differentiation characteristics, and because The time series of changes in the growth and development of environmental factors and the organism itself, wetland ecosystem is always in a state of dynamic change management strategy can not be static, these problems to be solved for the sustainable use and scientific management decision support wetland spatial decision support system construction necessity requirements. The paper first describes the Chongming Island, shoals wet ground of the status quo characteristics and utilization mode, focusing on analysis of the development and utilization of shoals wet ground of its wetland system produces the water and soil environment, vegetation succession and other interference effects; Second, the combination of theoretical basis, dissect space decision-making Support System (SDSS) of the basic structure of the building, according to the actual situation of the Chongming Dongtan Wetland Park, to build a data management system framework for wetland conservation decision support model and display interface, rely on the GIS grid technology to build a set of periodic testing, mass data storage, data quantitative analysis, visualization, interaction with policy makers and other functions in one of the Chongming Dongtan wetland restoration area space management decision support system, the space-time process simulation of the Wetland Park ecosystem moisture, nutrients and carbon dynamics. Reclamation area of ??Chongming Dongtan wetland space management decision support system software developed by the Institute has four functions: wetland management warning, online measured data monitoring, database maintenance of display terminals and wetlands. The core of the system decision-making warning by a group of wetland ecosystem process model, including tourists Comfort indicators released water warning. System process model group is mainly constituted by the convergence of dynamic wave model of runoff and sediment dynamic model, the two-dimensional water pollutant dispersion model, carbon, water and nutrient cycling models, landscape pattern model as well as the flow of people carrying and comfort evaluation model. The system dynamic simulation of the process of a body of water - soil - vegetation continuum, coastal wetland conservation and sustainable use of scientific management support.

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CLC: > Environmental science, safety science > Administration of Environmental Protection > Rational development of natural resources and environmental protection
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