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Land Utilization/The Covering Change Investigates To The County Territory Ecology Health Influence

Posted on:2007-05-11Degree:MasterType:Thesis
Country:ChinaCandidate:C R ChengFull Text:PDF
GTID:2121360185975349Subject:Soil science
Abstract/Summary:PDF Full Text Request
The land utilization change involves the land resource natural attribute and the humanity uses the way the change, the land utilization change research including global and the region two levels, former emphasis land utilization change to whole world environmental variation influence, latter then attention land utilization change to region social economy sustainable development and ecology security function. The land utilization change research is the present whole world change research hot spot and the front question, the land utilization tendency and the driving influence research is study the research front question, the main research natural driving influence and the humanity move to the Earth system change influence function, is the present age international geoscience, in particular Earth surface layer system research area important content.develop and the industrialization, urbanized advancement speeding up, the land utilization change question incisive but prominent, like the land utilization contradictory intensifies, the land utilization structure is incompatible, the land pollution is serious, the land-use capability falls low status, seriously affects the Shawan area social economy and the ecology coordinated development.This article take the Shawan area as the example, the use land ecology and the econology theory and the sustainable development thought, in under the geographic information system technology support,area,town the administration unit for the data statistics unit, according to the land utilization correlation data, the graphic document, the union on-the-spot investigation, the analysis appraisal land utilization situation, and obtains from the land resource using the space and time dynamic change, the basis land utilization dynamic change model, from the many analytic hierarchy during 1997-2004 year the land utilization quantity change, the land utilization structure spatial variation, the land utilization degree change, the land utilization change region difference and so on the dynamic change characteristic, promulgates the home court land utilization change rule, The analysis land utilization change to the ecology healthy situation influence, finally acts according to the Shawan area land utilization change characteristic, proposes the Shawan area land resource sustainable use countermeasure and the measure. Its main content and finally includes following several aspects:(1) Land utilization type change information extraction. Through all previous years land change material and land utilization present situation database and newest land utilization change material, extraction land utilization change information. Using land resource quantity change, land utilization spatial variation, land utilization region difference and land utilization degree change model description land change tendency. Using land resource quantity change, land utilization spatial variation, land utilization region difference and land utilization degree change model...
Keywords/Search Tags:Land utilization change, Ecology health, Appraisal
PDF Full Text Request
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