【摘要】 乐山地区拥有突出的旅游资源禀赋,其旅游资源的开发利用应遵循生态保护的原则。以国家园林城市乐山市为研究对象,基于自然生态和绿地规划数据,选取土地利用类型、坡度、高程、植被覆盖率、地质灾害和生态敏感因子共六种生态敏感因子,利用AHP法确定因子权重,结合GIS空间分析技术获取乐山市生态敏感性的空间分布图。结果表明,乐山市域生态敏感性总体中等偏低,区域差异明显,极敏感区、高敏感区、中敏感区、低敏感区和非敏感区分别占到研究区总面积的2.44%、15.51%、49.84%、30.25%和1.96%。在此基础上,根据不同生态敏感区划定生态服务区,并提出了相应的用地策略,为乐山城市规划及生态服务区保护及利用提供参考。更多还原

【Abstract】 Leshan area has outstanding tourism resources, and the development and utilization of its tourism resources should follow the principle of ecological protection. Taking Leshan, a national garden city, as the research object, based on the data of natural ecology and green space planning, six ecological sensitive factors including land use type, slope, elevation, vegetation coverage, geological hazard and ecological sensitivity factors are selected; the factor weight is determined by AHP method, and the spatial distribution map of ecological sensitivity of Leshan city is obtained by combining GIS spatial analysis technology. The results show that the overall ecological sensitivity of Leshan is on the low side, and the regional differences are obvious. Extremely sensitive areas, high sensitive areas, medium sensitive areas, low sensitive areas and non-sensitive areas account for 2.44%, 15.51%, 49.84%, 30.25% and 1.96% of the total area of the study area,respectively. On this basis, ecological service areas are designated according to different ecologically sensitive areas, and corresponding land use suggestions are put forward to provide reference for Leshan urban planning and ecological service area protection and utilization.更多还原