基于生态系统服务簇分析的福州都市圈生态保护空缺识别研究
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国家自然科学基金项目“自然保护地生态保护成效时空分异格局及驱动机制探究:以福建省为例”(编号:32401461);福建省自然科学基金项目“面向多目标权衡的国家公园周边城乡居民点空间布局智能优化研究”(编号:2022J01613);福建省中青年教师教育科研项目“山地小流域水导向关键景观体系的识别、控制与耦合优化”(编号:JAT220058);2022年度福建农林大学科技创新专项基金项目(社科类)“多源数据支持下武夷山国家公园徒步线路时空动态分析及步道规划优化研究”(编号:KCX22F60A)


Identification of Ecological Protection Gaps in Fuzhou Metropolitan Area Based on Ecosystem Service Bundles Analysis
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    摘要:

    在快速城市化背景下,都市圈面临经济发展和生态保护之间不协调的问题。以福州都市圈为例,运用InVEST模型评估2020年生境质量、碳固存、土壤保持、水源涵养4项关键生态系统服务,分析其空间分布特征,基于此利用SOM聚类分析福州都市圈的生态系统服务簇,识别空间特征和主导生态系统服务簇,进而识别福州都市圈生态保护空缺。结果表明:(1)2020年福州都市圈生态系统服务呈现“西北高,东南低”的空间格局,中部生态系统服务价值低;(2)福州都市圈6类生态系统服务簇空间分布具有异质性;(3)福州都市圈核心生态系统服务簇为B5簇,主要用地类型为林地和草地,碳固存、生境质量和土壤保持服务高,水源涵养服务较低,综合生态价值高,其次为B4和B6簇,B2簇生态系统服务较低;(4)福州都市圈保护空缺区域主要分布于鹫峰山脉和戴云山脉,整体保护空缺率为1.85%。研究结果可为福州都市圈区域生态保护与格局优化提供思路。

    Abstract:

    Against the backdrop of rapid urbanization, the metropolitan area faces the issue of discordance between economic development and ecological preservation. Using the InVEST model, this study evaluates the habitat quality, carbon sequestration, soil retention, and water yield, four key ecosystem services in the Fuzhou metropolitan area in 2020. It analyzes their spatial distribution characteristics and utilizes SOM bundling analysis to identify the ecosystem service bundles in the Fuzhou metropolitan area, recognizing spatial characteristics and dominant service bundles and consequently identifying ecological protection gaps. The results indicate: (1) In 2020, the ecosystem services in the Fuzhou metropolitan area exhibited a spatial pattern of “high in the northwest and low in the southeast,” with low ecological system service value in the central region. (2) The spatial distribution of the six types of ecosystem service bundles in the Fuzhou metropolitan area is heterogeneous. (3) The dominant ecosystem service bundles in the Fuzhou metropolitan area is bundle B5, mainly comprised of forest and grassland, with high carbon sequestration, habitat quality, and soil retention services, but relatively low water yield services, exhibiting high comprehensive ecological value. This is followed by bundle B4 and bundle B6, while the ecosystem services of bundle B2 are nearly exhausted. (4) The protection gaps in the Fuzhou metropolitan area are mainly distributed in the Jiufeng and Daiyun mountain ranges, with an overall protection gap rate of 1.85%. The research results can provide ecological protection and spatial optimization ideas in the Fuzhou metropolitan area.

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  • 在线发布日期: 2025-01-20
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