基于GIS与组合权重的巴马瑶族自治县生态敏感性评价  

Ecological Sensitivity Evaluation of Bama Yao Autonomous County Based on GIS and Combined Weight

作　　者：马培润 陈炳超 龚本海 谢伟东[1] MA Peirun;CHEN Bingchao;GONG Benhai;XIE Weidong(Forestry College,Guangxi University,Nanning 530004,China;Nanning Normal University,Nanning 530001,China;Guangxi Tourism Planning and Design Institute,Nanning 530012,China)

机构地区：[1]广西大学林学院,南宁530004 [2]南宁师范大学,南宁530001 [3]广西旅游规划设计院,南宁530012

出　　处：《河南科学》2023年第12期1746-1754,共9页Henan Science

基　　金：国家自然科学基金(52268007);广西哲学社会科学规划研究课题(22FGL025)。

摘　　要：以喀斯特地区的巴马瑶族自治县为研究对象,选取6个指标因子,利用层次分析法和变异系数法,构建县域生态敏感性评价模型.结果表明:研究区内高敏感性集中于北部与西南部的喀斯特地貌区域,不敏感性集中于中心城区,生态敏感性由县外围向中心城区呈逐渐降低趋势.其中高敏感性、中敏感性、低敏感性、不敏感性占比分别为35.10%、36.72%、20.61%、7.57%.根据生态敏感性的不同,可在高敏感性区建立喀斯特地貌生态保护区,中敏感性区发展乡村生态旅游,低敏感性区发展长寿品牌为导向的农林畜牧业,不敏感性区发展旅游城市建设.This study focuses on Bama Yao Autonomous County,a karst region,and constructs a county-level ecological sensitivity assessment model using six selected indicator factors,employing the Analytic Hierarchy Process(AHP)and the Coefficient of Variation method.The results reveal that high ecological sensitivity is concentrated in the northern and southwestern karst terrain regions within the research area,while low ecological sensitivity is centered around the central urban area.Ecological sensitivity gradually decreases from the county’s periphery towards the central urban area.The proportions of high sensitivity,moderate sensitivity,low sensitivity,and insensitivity are 35.10%,36.72%,20.61%,and 7.57%,respectively.Based on these varying ecological sensitivities,recommendations include establishing karst landscape ecological protection zones in high-sensitivity areas,promoting rural ecological tourism in moderate-sensitivity areas,developing agriculture,forestry and animal husbandry with a focus on longevity brands in low-sensitivity areas,and investing in tourism city development in insensitivity areas.

关 键 词：巴马瑶族自治县 生态敏感性 喀斯特地区 GIS 

分 类 号：X826[环境科学与工程—环境工程]