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

GUO Tianwei, LU Chunfeng, WANG Junxiao, LIU Ruicheng, ZHOU Shenglu

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2021, Vol. 45 ›› Issue (5) : 133-142.

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

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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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.

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ecological security pattern / ecospace / living space / machine learning / coupled model / coordination plan / Yangzhou City

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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

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