基于生态安全格局的国土空间生态修复关键区域识别——以吉林省松原市为例

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Abstract From the perspective of ecosystem integrity and structural connectivity in the context of ecological civilization construction, this paper takes Songyuan City, Jilin Province, as the study area. This paper integrated MSPA analysis, landscape connectivity evaluation, and circuit theory to construct an ecological security pattern and identify key areas for ecological restoration in Songyuan City. The results showed that:In Songyuan, a total of 9 ecological sources covering an area of 787.95km² have been identified, with water and grassland being the main components, that plays an important role in regional ecological security. A total of 23 ecological corridors are identified in Songyuan, including 16 primary corridors and 7secondary corridors, with a total length of 1458.18km. Based on the ecological security pattern, the key areas of ecological restoration in Songyuan City are identified, including 16 ecological pinch points with an area of 180.70km² and 24 ecological barrier points with an area of 298.11km². Based on a comprehensive analysis of the spatial distribution and land use status of key ecological restoration areas, targeted ecological restoration strategies are proposed.

Key words： ecological security pattern ecological restoration for territorial space MSPA circuit theory Songyuan City

Received: 09 November 2021

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X171

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	CAO Xiu-feng
	LIU Zhao-shun
	LI Shu-jie
	GAO Zhen-jun
	SUN Bei-wen
	LI Ying-xue

Cite this article:

CAO Xiu-feng,LIU Zhao-shun,LI Shu-jie等. Identification of key areas of ecological protection and restoration based on the pattern of ecological security:A case of Songyuan City, Jilin province[J]. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(6): 2779-2787.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2022/V42/I6/2779

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