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GIS - based evaluation of ecological forestry analysis

Author: GaoRunQin
Tutor: LeiJinHui
School: Kunming University of Science and Technology
Course: Applied Computer Technology
Keywords: Ecological forest Ecological benefits GIS Buffer Thematic maps
CLC: S718.56
Type: Master's thesis
Year: 2009
Downloads: 88
Quote: 0
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Abstract


Public Welfare for the maintenance and improvement of the ecological environment and maintaining ecological balance , conservation of biological diversity and meet the ecology of human society , the needs of society and sustainable development as the main function , the main provider of the product or service of the public welfare , social forest . In the context of today's global natural resources drying up , the worsening of the ecological environment , forest public service performance is fully reflected in the building of the Public Welfare also become an important part of improving the ecological environment . Now , the application of GIS in forestry is more and more widely , such as the management of forest resources , forest fire prevention , returning farmland to forest . However, the introduction of GIS Public Welfare 's also unusual , GIS introduction of the evaluation and analysis of ecological forestry is much less . Therefore , based on the analysis of GIS ecological forestry evaluation becomes a very important and challenging research topic , which is the starting point of this study . Firstly summarized depth evaluation of ecological forestry -based GIS analysis research purpose , meaning and GIS in Forestry Research . Then in the detailed analysis of the basic concepts of GIS spatial analysis , GIS spatial analysis methods on the basis of the method of system , the basic functions of GIS secondary development of technology , the definition of ecological forestry species and evaluation methods , and from GIS spatial analysis process to start , focus on the buffer build algorithms and thematic map production mode . Finally , in the spatial analysis model based on the implementation of GIS spatial analysis functions , such as spatial query , buffer analysis and thematic map production and explore the spatial analysis of GIS secondary development method based on ArcGIS Engine technology . On the basis of theoretical studies , design and realization of a GIS-based Ecological Benefit Evaluation and Analysis System , and evaluation of the system of ecological forestry in Shilin County . The study showed that the full use of GIS spatial analysis techniques to establish the the ecological forestry spatial analysis model , evaluation and analysis of ecological forestry .

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CLC: > Agricultural Sciences > Forestry > Forestry basic science > Forest Biology > Forest Ecology > The ecological benefits of forests
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