国土空间视角下长三角城市群自然保护地连通性评估与生态修复重点区域识别

刘琪琪, 刘媛媛, 唐晓岚

南京林业大学学报(自然科学版) ›› 2025, Vol. 49 ›› Issue (5) : 227-234.

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南京林业大学学报(自然科学版) ›› 2025, Vol. 49 ›› Issue (5) : 227-234. DOI: 10.12302/j.issn.1000-2006.202307038
研究论文

国土空间视角下长三角城市群自然保护地连通性评估与生态修复重点区域识别

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Assessment of natural protected areas connectivity and identification of key ecological restoration areas in the Yangtze River Delta urban agglomeration from the perspective of territorial spatial planning

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摘要

【目的】在城市化进程迅速推进的背景下,构建自然保护地(NPAs)生态安全格局(ESP)对于提升自然保护地的连通性以及推动国土空间生态修复实践具有重要的参考价值。【方法】以长江三角洲(简称长三角)城市群为研究区域,基于生态系统服务价值,结合形态学空间格局分析法(MSPA)与现有自然保护地数据识别生态源地。运用层次分析法(AHP)构建综合阻力面,并利用最小累积阻力模型(MCR)提取生态廊道,从而构建“生态源地-综合阻力面-生态廊道”模式的生态安全格局。系统评估研究区自然保护地的连通性特征,进而识别并划定国土空间生态修复的重点区域。【结果】在长三角城市群自然保护地共识别出145个生态源地,提取323条生态廊道和34条潜在生态廊道;同时,识别出1个低水平生态安全区、179个生态夹点和35个生态障碍点。【结论】研究揭示了长三角城市群自然保护地连通性面临的主要困境,提出了国土空间背景下提升自然保护地连通性与优化生态修复重点区域的策略。具体建议:推动跨区域生态廊道建设,聚焦生态修复重点区域,实施差异化分区修复措施。研究结果可为长三角城市群自然保护地连通性的提升与区域生态修复工作提供科学、可行的参考。

Abstract

【Objective】In the context of rapid urbanization, establishing an ecological security pattern (ESP) for natural protected areas (NPAs) is crucial for enhancing connectivity and guiding territorial spatial ecological restoration practices.【Method】Taking the Yangtze River Delta urban agglomeration (YRDUA) as the study area, ecological sources were identified based on ecosystem service value by integrating morphological spatial pattern analysis (MSPA) with data on existing NPAs. A comprehensive resistance surface was constructed using the analytic hierarchy process (AHP), and ecological corridors were extracted via the minimum cumulative resistance (MCR) model. There by constructing an ESP with the model of “Ecological sources-Resistance surface-Ecological corridors”. Connectivity characteristics of NPAs were systematically assessed to pinpoint key areas for territorial spatial ecological restoration. 【Result】The study identified 145 ecological sources, 323 ecological corridors, and 34 potential corridors. Critical restoration targets included one low-security zone, 179 ecological pinch points, and 35 ecological barriers. 【Conclusion】This research reveals significant connectivity challenges among NPAs in the YRDUA and proposes connectivity enhancement strategies within territorial spatial planning: (1) Breaking administrative boundaries to promote cross-regional ecological corridor development. (2) Implementing differentiated restoration in priority zones. These findings provide scientific support for optimizing NPA connectivity and regional ecological restoration.

关键词

国土空间规划 / 自然保护地 / 生态安全格局 / 连通性评估 / 生态修复 / 长三角城市群

Key words

territorial spatial planning / natural protected areas (NPAs) / ecological security pattern / connectivity assessment / ecological restoration / Yangtze River Delta urban agglomeration (YRDUA)

引用本文

导出引用
刘琪琪, 刘媛媛, 唐晓岚. 国土空间视角下长三角城市群自然保护地连通性评估与生态修复重点区域识别[J]. 南京林业大学学报(自然科学版). 2025, 49(5): 227-234 https://doi.org/10.12302/j.issn.1000-2006.202307038
LIU Qiqi, LIU Yuanyuan, TANG Xiaolan. Assessment of natural protected areas connectivity and identification of key ecological restoration areas in the Yangtze River Delta urban agglomeration from the perspective of territorial spatial planning[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2025, 49(5): 227-234 https://doi.org/10.12302/j.issn.1000-2006.202307038
中图分类号: X826;TU98   

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基金

江苏省研究生科研与实践创新计划项目(KYCX22_1102)
2022年度教育部人文社会科学研究规划基金项目(22YJA760075)
2021年国家林业和草原局林业遗产与森林环境史研究中心项目(2021LYYB02)

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