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

doi:10.12302/j.issn.1000-2006.202004045

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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

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^,^*()

1. 南京大学地理与海洋学院,江苏南京 210093
2. 江苏第二师范学院城市与资源环境学院,江苏南京 210013

收稿日期:2020-04-22 接受日期:2021-04-13 出版日期:2021-09-30 发布日期:2021-09-30
通讯作者: 周生路
基金资助:
江苏省自然资源科技项目(KJXM2019018);江苏省自然资源科技项目(KJXM2020006);自然资源部海岸带开发与保护重点实验室开放基金项目(2019CZEPK01);国家自然科学基金项目(41771243)

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

GUO Tianwei¹(), LU Chunfeng², WANG Junxiao¹, LIU Ruicheng¹, ZHOU Shenglu¹^,^*()

1. School of Geography and Ocean Scinence,Nanjing University,Nanjing 210093,China
2. Department of City and Resources of Environment, Jiangsu Second Normal University, Nanjing 210013,China

Received:2020-04-22 Accepted:2021-04-13 Online:2021-09-30 Published:2021-09-30
Contact: ZHOU Shenglu

摘要/Abstract

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。

关键词: 生态安全格局, 生态空间, 生活空间, 机器学习, 耦合模型, 协调规划, 扬州市

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.

Key words: ecological security pattern, ecospace, living space, machine learning, coupled model, coordination plan, Yangzhou City

中图分类号:

X321

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.

GUO Tianwei, LU Chunfeng, WANG Junxiao, LIU Ruicheng, ZHOU Shenglu. 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 (Natural Science Edition), 2021, 45(5): 133-142.DOI: 10.12302/j.issn.1000-2006.202004045.

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主体空间 main space	类别 category	赋分 score
生态主体空间 ecological space	环保部门生态红线I级区∩生态主体空间	4
	环保部门生态红线II级区∩生态主体空间	3
	(江淮生态大走廊规划∪生态廊道)∩ 生态主体空间	2
	生态主体空间独有部分	1
生活主体空间 living space	优化开发区	4
	重点开发区	3
	限制开发区	2
	禁止开发区	1
生产主体空间 production space	评价结果标准化分级	4~1

耦合情景 coupling scene	类型 category	面积/ km² area	占冲突斑块总面积比例/% proportion of total conflict plaque area
生态保护优先 priority scenarios for ecological protection	优先划入	24.37	37.67
	应当划入	19.24	29.76
	建议划入	0.41	0.64
	合计	44.02	68.07
优先发展 priority development scenario	优先划入	5.03	7.77
	应当划入	23.13	35.76
	建议划入	13.71	21.20
	合计	41.87	64.73
融合发展 integrated development scenarios	优先划入	24.36	37.66
	应当划入	3.80	5.88
	建议划入	15.70	24.28
	合计	43.86	67.81

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

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

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