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汾河流域是山西省人口与产业高度集聚区，也是黄河中游重要生态屏障，在城镇扩张、交通建设、矿产开发等多重人类活动扰动下，识别并优化流域生态安全格局对提升生态连通性、支撑分区精准修复与国土空间可持续治理具有重要意义。本文以汾河流域为研究区，选取2002—2023年多源时空数据，采用形态学空间格局分析（MSPA）识别生态源地；在常规阻力因子基础上引入矿区指标，基于层次分析法（AHP）赋权构建综合阻力面；利用电路理论识别生态廊道、生态夹点与障碍点，分析流域生态安全格局的时空变化；综合生态源地增减、稳定生态廊道、持续障碍点及生态夹点分布，识别生态修复关键区并提出针对性建议。结果表明：2002—2023年汾河流域生态源地分布呈“山地集中、盆地稀疏”特点，面积约减少9.0%；综合阻力在中部河谷偏高，两侧山地偏低；生态廊道网络先扩展后调整，一级廊道连通性总体仍优于2002年；生态夹点主要位于山地到盆地过渡带及中南段生态廊道，部分障碍点长期存在；最终识别出“三核三线两区”修复重点，为推进流域生态修复提供依据。
Abstract：The Fenhe River Basin is an area of high population and industrial concentration in Shanxi Province and serves as a critical ecological barrier in the middle reaches of the Yellow River.Under the combined disturbances of urban expansion,transportation infrastructure development,and mineral resource exploitation,identifying and optimizing the basin-scale ecological security pattern is of great significance for enhancing ecological connectivity,supporting targeted restoration by zone,and promoting sustainable territorial spatial governance.Taking the Fenhe River Basin as the study area and aiming to meet regional ecological security needs,this study integrated multi-source spatiotemporal data from 2002 to 2023.Morphological spatial pattern analysis was employed to identify ecological source areas.A mining-area related factor was incorporated into the conventional resistance-factor system,the analytic hierarchy process was applied to weight each factor and construct a comprehensive resistance surface.Circuit theory was subsequently applied to identify ecological corridors,ecological pinch points,and barrier points,and to analyze the spatiotemporal changes of the ecological security pattern of the basin during the study period.On this basis,key areas for ecological restoration were identified and targeted recommendations were proposed by integrating changes in ecological source areas,stable ecological corridors,persistent barrier points,and the distribution of ecological pinch points.The results showed that the total area of ecological sources decreased by approximately 9.0% from 2002 to 2023,displaying a spatially heterogeneous distribution concentrated in mountainous areas and sparse in basins.Comprehensive resistance was relatively high in the central river valley but low in the flanking mountains.The ecological corridor network initially expanded and subsequently underwent structural adjustment,yet the overall connectivity of first-order corridors remained higher than that in 2002.Ecological pinch points were mainly distributed in mountain-to-basin transition zones and along ecological corridors in the central and southern parts of the basin,whereas some barrier points persisted over a long period.Ultimately,a priority restoration pattern characterized by "three cores,three corridors,and two zones" was identified,providing a scientific basis for advancing ecological restoration across the Fenhe River Basin.
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基本信息:
中图分类号:X171.4
引用信息:
[1]刘馨蔚,张琪,陈宇,等.汾河流域生态安全格局时空演变与生态修复关键区识别[J].地理与地理信息科学().
基金信息:
汾河流域地表过程与资源生态安全山西省重点实验室开放基金项目（FHKF202407）; 江苏省优秀青年基金项目（BK20250206）
2026-09-23
2026-09-23
2026-09-23