基于格网GIS的重点生态功能区生态系统敏感性研究:以贵州省雷山县为例

发布时间：2018-06-04 14:00

本文选题：重点生态功能区 + 生态系统敏感性　；参考：《环境工程》2017年04期

【摘要】：为了科学地诊断出存在的环境问题,实现对生态环境的保护,以重点生态功能区雷山县为例,结合地形、地貌与气候等数据,以格网为评价单元,构建生态系统敏感性评价指标体系。采用层次分析法、区域综合法及格网GIS技术,对评价体系中各指标进行10 m×10 m尺度下的格网化表达,运用栅格数据的空间叠加方法及生态系统敏感性评价模型,综合评价雷山县生态系统敏感性空间格局。结果表明:雷山县生态系统敏感性较高,其中非敏感区和轻度敏感区面积较小,仅占总面积的5%和13.4%;其次是中度敏感区和极度敏感区,分别占总面积的26.3%和17%;高度敏感区面积最大,占总面积的38.3%。
[Abstract]:In order to scientifically diagnose the existing environmental problems and realize the protection of ecological environment, taking Leishan County, a key ecological function area, as an example, combining the data of topography, geomorphology and climate, the grid is used as the evaluation unit. Construct the index system of ecosystem sensitivity evaluation. By using the analytic hierarchy process (AHP) and the GIS technique of the regional comprehensive pass net, the grid representation of each index in the evaluation system is carried out at the scale of 10 m 脳 10 m, and the spatial superposition method of the raster data and the ecosystem sensitivity evaluation model are used. Comprehensive evaluation of the spatial pattern of ecosystem sensitivity in Leishan County. The results showed that the ecological system in Lishan County was highly sensitive, and the area of non-sensitive area and mild sensitive area was smaller, accounting for only 5% and 13.4% of the total area, followed by moderate sensitive area and extremely sensitive area. The area of highly sensitive area was the largest, accounting for 38.3% of the total area.
【作者单位】：贵州师范大学喀斯特研究院;贵州省喀斯特山地生态环境国家重点实验室培育基地;贵州省雷公山国家级自然保护区管理局;国家喀斯特石漠化防治工程技术研究中心;
【基金】：国家自然科学基金地区项目“喀斯特石漠化地区生态资产与区域贫困耦合机制研究”(41661088) 贵州省重大应用基础研究项目“喀斯特石漠化生态修复及生态经济系统优化调控研究”(黔科合JZ字[2014]200201) 贵州省软科学研究项目“国家重点生态功能区生态文明建设与科技支撑研究-以贵州为例”(黔科合R字[2014]2012号)
【分类号】：X826;P208

【相似文献】