Construction of ecological security pattern based on ecosystem service evaluation and minimal cumulative resistance model: a case study of Hefei City, China

Xuewei Yang (), Guoyi Wei (), Chaozhong Liang (), Zhao Yang (), Huanying Fang () and Shuiming Zhang ()
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Xuewei Yang: Anhui Agricultural University
Guoyi Wei: Anhui Agricultural University
Chaozhong Liang: Anhui Agricultural University
Zhao Yang: Anhui Agricultural University
Huanying Fang: Anhui Agricultural University
Shuiming Zhang: Anhui Agricultural University

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2024, vol. 26, issue 4, No 99, 10700 pages

Abstract: Abstract As the hot spot and key topic in landscape ecology, the construction of ecological security pattern strives to maintain the integrity of landscape patterns and the continuity of the ecological process, and achieve sustainable development of the region. Taking Hefei City in China as a study area, according to the basal ecological features of Hefei City, the InVEST model was used to select three key indicators of ecosystem service importance (biodiversity, water yield, and carbon storage) to identify ecological sources; the resistance surface based on land use types was modified by the nighttime light (NTL) data; the potential ecological corridors were identified using minimal cumulative resistance model; lastly, the key ecological corridors were extracted using the gravity model. The results showed that: By combining 14 ecological sources, 91 potential ecological corridors, 16 key corridors, and ecological nodes, the ecological security pattern of Hefei City was constructed. Hefei's ecological source area is 1911.7 km2, accounting for 16.68% of the city's total area. It was dominated by water and woodland, which was distributed in the city's eastern and southern regions. The potential ecological corridor was 926.71 km long, while the key ecological corridor was 56.7 km long. Finally, A "One vertical and three horizontal" Hefei City ecological security pattern was built on this foundation. Our research results had important guiding significance for the sustainable utilization of ecological resources in Hefei City and could provide theoretical basis and technical support for ecological protection in Hefei City.

Keywords: Ecological security pattern; Ecosystem services; InVEST; MCR; Hefei City (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10668-023-03170-8

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