基于GIS和AHP的贵阳市环城林带生态敏感性评价

贵阳市环城林带对贵阳市生态环境起着控制和调节作用。近年来,随着城市化建设的发展,环城林带遭到不同程度破坏。为了保护现存环城林带资源,文章根据贵阳市环城林带地质环境条件的调查与测试资料,选择7个生态敏感性影响因子(地层岩性、地质构造、高程、坡度、坡向、地表水域和人类活动),采用GIS技术对各单因子的敏感性进行分区,最后利用层次分析法(AHP)和空间加权叠加技术对林带生态敏感性进行综合分区。结果表明,不敏感林区占林带总面积的4.82%,分布于研究区北部;轻度敏感区占18.01%,分布于南部、东北部及东南部;中度敏感区占42.91%,分布于东部、西部及东北部;高度敏感区占29.61%,分布于北部区域...

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Bibliographic details
Volume: 36
Main Author: 禹艺娜 王中美
Format: Journal Article
Language: Chinese
Place of publication: 贵州大学资源与环境工程学院,贵阳,550025 2017
published in: Zhongguo yan rong Vol. 36; no. 3; pp. 359 - 367
Data of publication: 2017
ISSN: 1001-4810
Alternate Title: Evaluation of ecological sensitivity in the city-encircling forest belt of Guiyang based on GIS and AHP
Classification Codes:
Discipline: Geography
Bibliography: YU Yi'na, WANG Zhongmei (Resource and Environmental Engineering College, Guizhou University, Guiyang, Guizhou 550025, China)
45-1157/P
The city-encircling forest belt in Guiyang controls and regulates the ecological environment of the urban area.With development of urbanization construction recent years,this forest belt is suffering from damage to varied degrees.To protect the existing resources of the urban forest,it is necessary to conduct evaluation of ecological sensitivity.Based on the investigations of the geological environment and experimental data of this forest belt,we choose seven kinds of ecological sensitivity factors,i.e.stratigraphic lithology,geological structure,elevation,gradient,slope direction,the surface water and human activities.We employ GIS technology to make area division of the forest belt for each single factor.Using analytic hierarchy process(AHP)and spatial weighting methods,then we conduct a comprehensive division of ecological sensitivity to the entire forest belt.The results sho
Subjects:
GIS
AHP
GIS
AHP
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