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A Study Of Environmental Impact Assessment On Land Use Status

Posted on:2007-10-06Degree:MasterType:Thesis
Country:ChinaCandidate:R CengFull Text:PDF
GTID:2121360182987838Subject:Physical geography
Abstract/Summary:PDF Full Text Request
The keys of comprehensive land use planning are to confirm or adjust land use structure and arrangement, and to control in the nation scale and balance the proportion of land use. That the implementation of Comprehensive land use planning and the readjustment of land-use type, structure and arrangement in certain regions, has changed the initial state of regional land resources, impacted the environment directly or indirectly, banefully or harmfully. This paper chose Xiangtan County as the study object;it aims to discussing the applicability and feasibility of "environmental impact assessment on land use" in County administrative unit scale, and to providing reference for how to environmental construction and protection comprehensively in new County Comprehensive land use planning.The core of the paper includes the following 6 parts:The first part of the paper is exordium. It is to introduce significance and background of the study, the trends on environmental impact assessment of planning both at home and abroad, and to enlighten the contents and emphasis of the study.The second one is the theoretic frame of "environmental impact assessment on land use" . It discusses theoretical basis of "environmental impact assessment on land use status" , which contains the theories of systems, control, eco-economics, sustainable development and the national policies.The third one is the analysis of the environmental impact resulting from land use in Xiangtan County. It points out the main environmental problem in the process of land use in Xiangtan County by the analysis of land use status and dynamics on the basic of features of social, economic and environment in the region.The forth one is the environmental impact assessment onland use of Xiangtan County. It assesses the principle of"environmental impact assessment on land use" , took steps to"environmental impact assessment on land use status" inXiangtan County, designs the index system, gave index weightby objective weighting method, assesses comprehensively byusing fuzzy comprehensive assessment, and narrates theassessing process in detail.The fifth one is the model application and results analysis. Taking Baishi town in Xiangtan County for example, the paper ranks the environmental sensitivity grades of its by using the model. And then the paper gets the results of the grading assessment on environmental sensitivity of other 22 towns in the same way.On the basis of the sensitivity assessments, the sixth part put forwards to perfect land-use some measures, which are resulted from the features of social, economic, and environmental problems in land-use of each town.
Keywords/Search Tags:land-use, environmental impact assessment, fuzzy comprehensive assessment, measure, Xiangtan County
PDF Full Text Request
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