环长株潭城市群地区生态系统服务价值时空演变及其影响因素

doi:10.13438/j.cnki.jdxb.2025.04.018

摘要/Abstract

摘要：在快速城市化背景下，环长株潭城市群作为长江中游核心增长极，面临生态保护与经济发展的尖锐矛盾。厘清其生态系统服务价值的时空演变规律及影响因素，对协调区域可持续发展至关重要。在县域尺度下，整合区域差异系数、生物量因子和社会发展系数修正生态系统服务价值评估模型，量化2005—2023年环长株潭城市群生态系统服务价值时空动态，并结合地理探测器，解析自然环境、社会经济和空间区位对生态系统服务价值的影响效应，结果表明：（1）生态系统服务价值总量持续下降，空间呈“东西高、中间低”格局。高值区集中于雪峰山、幕阜山等生态屏障区，低值区分布于长株潭核心城区。（2）生态系统服务价值驱动因素中，HAI、人口密度和第一产业GDP为前三大影响因素，年均气温和坡度两因素影响显著。从交互效应来看，所有因子组合均呈双因子增强或非线性增强效应，尤以HAI与道路密度、年均气温的协同作用突出，揭示人类活动与自然本底的耦合放大机制。（3）社会-生态系统耦合Ostrom框架分析表明，政策与经济活动的交互通过HAI、路网扩张等途径主导生态系统服务价值衰减，而自然基底调节其作用强度。由此，应构建“绿心-水系-山脉”生态网络，严格管控核心区建设用地扩张；建立基于生态系统服务价值增量的跨区域横向生态补偿机制；推动产业绿色转型，以缓解“生态-经济”失衡矛盾。

关键词： 生态系统服务, 人类活动, 影响因素, 空间异质, 环长株潭城市群

Abstract: As a core growth pole in the middle reaches of the Yangtze River,the urban agglomeration region around Changsha-Zhuzhou-Xiangtan faces acute contradictions between ecological protection and economic development amid rapid urbanization.Clarifying the spatiotemporal evolution patterns and influencing factors of its ecosystem service value (ESV) is crucial for coordinating regional sustainable development.At the county scale,we integrated regional differentiation coefficients,biomass factors,and social development coefficients to refine the ESV assessment model,quantifying spatiotemporal dynamics from 2005 to 2023.Using geographical detectors,we analyzed the impacts of natural environment, socio-economic factors, and spatial location factors,revealing that:(1) Total ESV exhibited continuous decline,spatially presenting a "high-east-west,low-center" pattern,with high-value areas concentrated in ecological barrier zones like Xuefeng and Mufu Mountains,and low-value areas in the urban cores.(2) Human activity intensity (HAI),population density,and primary industry GDP ranked as the top three ESV drivers,while annual temperature and slope showed significant individual effects.All factor interactions demonstrated either two-factor enhancement or nonlinear enhancement,particularly the synergistic effects among HAI,road density,and temperature,revealing coupled amplification mechanisms between human activities and natural backgrounds.(3) Ostrom's social-ecological system framework analysis indicated policy-economic interactions primarily drove ESV decline through HAI and road network expansion,with natural backgrounds modulating their intensities.Accordingly,we propose establishing a "green heart-water-mountain" ecological network with strict construction land control in core areas,developing cross-regional ecological compensation mechanisms based on ESV increments,and promoting green industrial transformation to mitigate eco-economic imbalances.

Key words: ecosystem services, human activities, influencing factors, spatial heterogeneity, the urban agglomeration region around Changsha-Zhuzhou-Xiangtan

蔡沐阳, 黄郴, 夏赞才, 张平. 环长株潭城市群地区生态系统服务价值时空演变及其影响因素[J]. 吉首大学学报（社会科学版）, 2025, 46(4): 163-176.

CAI Muyang, HUANG Chen, XIA Zancai, ZHANG Ping. Spatiotemporal Evolution of Ecosystem Services Value and Influencing Factors in the Urban Agglomeration Region Around Changsha-Zhuzhou-Xiangtan [J]. Journal of Jishou University(Social Sciences Edition), 2025, 46(4): 163-176.

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