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Construction of an Ecological Security Pattern in Yangtze River Delta Based on Circuit Theory

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  • Jiaquan Duan

    (College of Environmental and Geographic Sciences, Shanghai Normal University, Shanghai 200234, China)

  • Yue ‘e Cao

    (College of Environmental and Geographic Sciences, Shanghai Normal University, Shanghai 200234, China)

  • Bo Liu

    (College of Environmental and Geographic Sciences, Shanghai Normal University, Shanghai 200234, China)

  • Yinyin Liang

    (College of Environmental and Geographic Sciences, Shanghai Normal University, Shanghai 200234, China)

  • Jinyu Tu

    (College of Environmental and Geographic Sciences, Shanghai Normal University, Shanghai 200234, China)

  • Jiahui Wang

    (College of Environmental and Geographic Sciences, Shanghai Normal University, Shanghai 200234, China)

  • Yeyang Li

    (College of Environmental and Geographic Sciences, Shanghai Normal University, Shanghai 200234, China)

Abstract

Ecological corridors can improve the connectivity between different habitat regions, ultimately halting the loss of biodiversity and habitat fragmentation. Building ecological corridors is a crucial step in protecting biodiversity. Ecological corridors had previously been built primarily on nature reserves, ignoring ecosystem services. In this study, a novel approach to building ecological corridors is put forth that takes into account a variety of ecosystem services, morphological spatial pattern analysis (MSPA), and connectivity methodologies to identify significant ecological sources. Ecological corridors and significant strategic nodes are created based on the minimum cumulative resistance model (MCR) and circuit theory in order to construct the Yangtze River Delta’s ecological security pattern. The research found that: (1) the identified ecological sources are 90,821.84 km 2 , and the total length of ecological corridors is 4704.03 km. (2) In total, 141 ecological restoration areas are identified, with a total area of 2302.77 km 2 ; 151 ecological protection areas are identified, with a total area of 5303.43 km 2 . This study can provide valuable insights into the establishment of ecological patterns and the construction of priority restoration and protection areas in the ecological restoration of the Yangtze River Delta.

Suggested Citation

  • Jiaquan Duan & Yue ‘e Cao & Bo Liu & Yinyin Liang & Jinyu Tu & Jiahui Wang & Yeyang Li, 2023. "Construction of an Ecological Security Pattern in Yangtze River Delta Based on Circuit Theory," Sustainability, MDPI, vol. 15(16), pages 1-16, August.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:16:p:12374-:d:1217279
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    References listed on IDEAS

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    1. Brad H McRae & Sonia A Hall & Paul Beier & David M Theobald, 2012. "Where to Restore Ecological Connectivity? Detecting Barriers and Quantifying Restoration Benefits," PLOS ONE, Public Library of Science, vol. 7(12), pages 1-12, December.
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    3. Yanping Yang & Jianjun Chen & Renjie Huang & Zihao Feng & Guoqing Zhou & Haotian You & Xiaowen Han, 2022. "Construction of Ecological Security Pattern Based on the Importance of Ecological Protection—A Case Study of Guangxi, a Karst Region in China," IJERPH, MDPI, vol. 19(9), pages 1-22, May.
    4. Wenbo Cai & Tong Wu & Wei Jiang & Wanting Peng & Yongli Cai, 2020. "Integrating Ecosystem Services Supply–Demand and Spatial Relationships for Intercity Cooperation: A Case Study of the Yangtze River Delta," Sustainability, MDPI, vol. 12(10), pages 1-24, May.
    5. Jiaquan Duan & Xuening Fang & Cheng Long & Yinyin Liang & Yue ‘e Cao & Yijing Liu & Chentao Zhou, 2022. "Identification of Key Areas for Ecosystem Restoration Based on Ecological Security Pattern," Sustainability, MDPI, vol. 14(23), pages 1-18, November.
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