生态安全格局时空演变分析——以太原城市群为例

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Abstract Taking the Taiyuan urban agglomeration as an instance, Morphological Spatial Pattern Analysis (MSPA) was applied to explore the changes in ecological source areas in the years of 2000, 2010, and 2020, and circuit theory was adopted to identify ecological corridors, ecological pinch points, and ecological barrier points, so as to construct a regional ecological security pattern, clarify the evolution trend of ecological security pattern, recognize the key areas for ecological restoration, and formulate targeted restoration measures. The research showed that the ecological source area of the study area increased from 3083.38km² in 2000 to 3144.17km² in 2020 with time, which faced the challenge of uneven spatial distribution, showing a spatial structure of sufficiency in the west and inadequacy in the central and eastern regions. Influenced by the increased ecological source areas, the number of ecological corridors in the region increased from 69 in 2000 to 90 in 2020, enhancing landscape connectivity, of which, the western ecological corridors showed the features of large quantities and short distances, while the eastern and western ecological corridors were of long lengths and high resistance. During the research period, the overall area of ecological pinch points showed an increasing trend, with an increased area of 47.64km² in 2000 to 97.98km² in 2010 and a decreased area of 83.77km²; the area of barrier points showed a decreasing trend, with a decreased area of 451.78km² in 2000 to 395.95km² in 2020. Those areas should be deemed as a crucial area for ecological protection and restoration. This study was of great significance, providing guidance for regional ecological restoration and landscape planning.

Key words： morphological spatial pattern analysis model circuit theory ecological security patterns ecological restoration

Received: 03 March 2023

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X87

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	QI Qiang-qiang
	XU Zhan-jun

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QI Qiang-qiang,XU Zhan-jun. Analysis on the spatio-temporal evolution of ecological security patterns: A case study over Taiyuan Urban Agglomeration[J]. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(11): 5987-5997.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2023/V43/I11/5987

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