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生态系统服务空间分异及其驱动因素识别是构建区域生态安全格局与实施国土空间差异化治理的重要基础。本文以国家新型城镇化规划中的山西中部城市群为研究对象,整合2000年、2010年和2020年多源数据,定量评估产水量、土壤保持、粮食供给和碳储量4项生态系统服务,综合地理探测器与SOM-K-means聚类分析其时空演变特征、影响因素并进行生态系统服务分区。结果表明:(1)2000—2020年研究区产水量、土壤保持与粮食供给分别增长64.9%、42.5%和37.8%,碳储量下降约1.7%,调节服务高值区主要分布于林草覆盖较高的山地,粮食供给高值区集中于盆地和河谷农业区;(2)2020年生态系统服务空间分异受自然与社会经济因子共同影响,DEM对碳储量的解释力最高(q=0.820 7),气候和植被因子对产水量、土壤保持的解释力较高;在排除NDVI结构性关联后,人口密度和人均GDP是粮食供给解释力较高的独立因子,多数因子组合呈增强效应;(3)研究区可划分为城乡生活区、生态保育区与农林结合区,3类分区的服务结构与人类活动、地形、气候及土地利用等主要影响因素具有对应关系。研究结果可为资源型城市群生态修复和国土空间精细化治理提供依据。
Abstract：Indentifying the spatial heterogeneity of ecosystem services and its driving factors is essential for regional ecological security and differentiated territorial spatial governance.Taking the Central Shanxi Urban Agglomeration as the study area,this study quantified water yield,carbon storage,soil retention,and food supply using multi-source data for 2000,2010 and 2020.On the basis of muti-period pattern comparisons, the 2020 data were used for GeoDetector analysis to explore driving factors, and SOM-K-means clustering was applied to identify ecosystem service zones.The results are shown as follows.(1) From 2000 to2020,water yield,soil retention,and food supply increased by 64.9 %,42.5%,and 37.8%,respectively,whereas carbon storage decreased by approximately 1.7% and remained generally stable.High-value areas of regulating services were mainly distributed in forest-and grassland-dominated mountains, while high-value areas of food supply occurred in basin and valley agricultural zones.(2) In 2020,the spatial heterogeneity of ecosystem services was influenced by both natural and socioeconomic factors.DEM had the highest explanatory power for carbon storage(q=0.820 7),while climatic and vegetation factors showed relatively high explanatory power for water yield and soil retention.After excluding the structural association of NDVI with the grain-supply model,population density and per capita GDP were the independent factors with relatively high explanatory power for food supply.Most two-factor combinations showed enhancement effects.(3) The study area was classified into urban-rural living zones,ecological conservation zones,and agroforestry integration zones.Their service structures corresponded to human activities,topographic-climatic conditions, and land-use patterns, respectively.These findings provide a basis for ecological restoration and refined territorial governance in resource-based urban agglomerations.
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基本信息:
中图分类号:X171.1
引用信息:
[1]林菲,王韫韬,孙丽娜,等.山西中部城市群生态系统服务空间分异驱动因素及服务分区[J].地理与地理信息科学().
基金信息:
山西省哲学社会科学规划课题(2022YJ098); 山西省科技战略研究专项计划(202404030401145); 太原师范学院研究生教改项目(SYYJSJG-2514)
2026-09-23
2026-09-23
2026-09-23