基于三生空间耦合的生态安全格局构建与优化&#x02014;&#x02014;以扬州市为例

郭天威; 陆春锋; 王君櫹; 刘瑞程; 周生路

doi:10.12302/j.issn.1000-2006.202004045

基于三生空间耦合的生态安全格局构建与优化——以扬州市为例

郭天威, 陆春锋, 王君櫹, 刘瑞程, 周生路

南京林业大学学报（自然科学版） ›› 2021, Vol. 45 ›› Issue (5) : 133-142.

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南京林业大学学报（自然科学版） ›› 2021, Vol. 45 ›› Issue (5) : 133-142. DOI: 10.12302/j.issn.1000-2006.202004045

研究论文

基于三生空间耦合的生态安全格局构建与优化——以扬州市为例

郭天威 ¹ ,
陆春锋 ² ,
王君櫹 ¹ ,
刘瑞程 ¹ ,
周生路 ¹^,^*

作者信息 +

Construction and optimization of ecological security pattern based on the coupling of ecological-production-living spaces: taking Yangzhou City as an example

Author information +

文章历史 +

摘要

【目的】 充分考量生态、生产和生活空间(三生空间)的相互影响,为生态安全格局优化提供新的思路,并为扬州市在保护生态安全前提下优化空间开发格局提供决策参考。【方法】 以扬州市为例,基于1:5 000土地利用变更调查数据,综合考虑未来城镇扩张和生产空间缓冲作用对生态安全格局的影响,借助多情景基础方案冲突协调评价和环形梯度分析的方法,从三生耦合角度对区域生态安全格局进行构建并优化。【结果】 构建了“三生主体功能量化-多情景基础方案冲突协调评价-基于三生规律分析分区协调情景评价”三生耦合优化框架,扬州市生态安全格局网络优化后,生态源地与廊道面积共计2 444.63 km²,占全域面积的36.85%;研究区生态安全格局网络由底线功能用地、缓冲功能用地、连通功能用地组成,占全域的面积比例分别为23.16%、12.01%和1.68%。【结论】 本研究形成的三生耦合优化框架,可以为区域生态安全格局优化提供新思路,进而有效指导相关规划。

Abstract

【Objective】 By considering the interactions among ecology, production and living spaces, this paper provided a new idea for the optimization of ecological security patterns, as well as a decision reference for Yangzhou City to optimize its spatial development pattern under the premise of protecting ecological security.【Method】 This study uses Yangzhou as an example and is based on survey data of land use change at a scale of 1:5 000. This study has taken into consideration, future urban expansion and the impact of production space cushions on the ecological security pattern. From the perspective of good coupling, multi-scenario-based conflict coordination program evaluation and circular gradient analysis method are used to build and optimize regional ecological security patterns.【Result】 The ecological-production-living coupling optimization framework of “Ecological-production-living main function quantification-Multi-scenario basic scheme conflict coordination evaluation-Analysis of sub-region coordination scenario evaluation based on the ecological-production-living rule” was formed. Based on the coordination plan, the results showed that after the optimization of the ecological security pattern network, the area of ecological sources and corridors of Yangzhou City was 2 444.63 km², accounting for 36.85% of the total area. The ecological security pattern network in the research area comprised the baseline function land, buffer function land, and connection function land, and their corresponding area proportions of the whole area were 23.16%, 12.01% and 1.68%, respectively.【Conclusion】 In this study, the ecological-production-living coupling optimization framework could provide new ideas for regional ecological security pattern optimization and effectively guide relevant planning.

导出引用

郭天威, 陆春锋, 王君櫹, 等. 基于三生空间耦合的生态安全格局构建与优化——以扬州市为例[J]. 南京林业大学学报（自然科学版）. 2021, 45(5): 133-142 https://doi.org/10.12302/j.issn.1000-2006.202004045

GUO Tianwei, LU Chunfeng, WANG Junxiao, et al. Construction and optimization of ecological security pattern based on the coupling of ecological-production-living spaces: taking Yangzhou City as an example[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2021, 45(5): 133-142 https://doi.org/10.12302/j.issn.1000-2006.202004045

中图分类号： X321

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