基于生态安全格局与生态脆弱性评价的生态修复关键区域识别与诊断——以汶上县为例

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Abstract Selecting Wenshang County, Jining, Shandong Province as the study area, ecological security pattern was constructed based on the minimum resistance model, then the critical areas of ecological restoration were identified by using vulnerability assessment. Finally this study makes recommendations for protecting and restorating the ecology of the critical areas respectively. The results showed that Wenshang County contained 11ecological source areas, occupying 38.72km², this county also had 35 ecological corridors with total length of 259.55km; the moderate and severe vulnerability area (594.32km²) dominated and shared 67.64% of total study area in Wenshang County. What’s more, the vulnerability of the central urban area was relatively high, and vulnerability of the southwestern low-lying area was low. In addition, five key areas of ecological restoration were identified, with a total area of 107.14km², and they were mainly distributed in and around the central urban area. According to the location characteristics, these key areas were divided into three categories, and the strategies of ecological restoration were put forward separately to provide references for the overall protection and restoration of the ecosystem.

Key words： eco-security pattern ecological vulnerability assessment key areas restoration measures Wenshang County

Received: 27 December 2021

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X171

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	LIU Jin-hua
	YANG Shuo
	Lü Yong-qiang

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LIU Jin-hua,YANG Shuo,Lü Yong-qiang. Identification and diagnosis of critical areas for ecological rehabilitation based on eco-security patterns and ecological vulnerability assessment - a case study over Wenshang County[J]. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(7): 3343-3352.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2022/V42/I7/3343

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