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Construction of Ecological Security Pattern Based on the Importance of Ecological Protection—A Case Study of Guangxi, a Karst Region in China

Author

Listed:
  • Yanping Yang

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China)

  • Jianjun Chen

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin 541004, China)

  • Renjie Huang

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China)

  • Zihao Feng

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China)

  • Guoqing Zhou

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin 541004, China)

  • Haotian You

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin 541004, China)

  • Xiaowen Han

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin 541004, China)

Abstract

The ecological security pattern is an important way to coordinate the contradiction between regional economic development and ecological protection and is conducive to promoting regional sustainable development. This study examines Guangxi, a karst region in China. The ecosystem service function and ecological environment sensitivity were both selected to evaluate the ecological conservation importance, and based on the results of the ecological conservation importance evaluation, suitable patches were selected as ecological sources. Meanwhile, resistance factors were selected from both natural factors and human activities to construct a comprehensive resistance surface, circuit theory was used to identify ecological corridors, ecological pinch points, and ecological barrier points, and ecological protection suggestions were then proposed. The results show that there are 50 patches of ecological sources in Guangxi, with a total area of 60,556.99 km 2 ; 115 ecological corridors, with the longest corridor reaching 194.97 km; 301 ecological pinch points, whose spatial distribution is fragmented; and 286 ecological barrier points, most of which are concentrated in the central part of Guangxi. The results of this study provide a reference for the construction of ecological security patterns and ecological conservation in developing countries and karst areas.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:9:p:5699-:d:810470
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    References listed on IDEAS

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    3. Yu Chen & Shuangshuang Liu & Wenbo Ma & Qian Zhou, 2023. "Assessment of the Carrying Capacity and Suitability of Spatial Resources and the Environment and Diagnosis of Obstacle Factors in the Yellow River Basin," IJERPH, MDPI, vol. 20(4), pages 1-26, February.
    4. Qiaoyin Zhang & Yan Wu & Zhiqiang Zhao, 2024. "Identification of Harbin Ecological Function Degradation Areas Based on Ecological Importance Assessment and Ecological Sensitivity," Sustainability, MDPI, vol. 16(16), pages 1-17, August.
    5. Yanping Lan & Jianjun Chen & Yanping Yang & Ming Ling & Haotian You & Xiaowen Han, 2023. "Landscape Pattern and Ecological Risk Assessment in Guilin Based on Land Use Change," IJERPH, MDPI, vol. 20(3), pages 1-19, January.
    6. Xinlei Xu & Siyuan Wang & Gege Yan & Xinyi He, 2023. "Ecological Security Assessment Based on the “Importance–Sensitivity–Connectivity” Index and Pattern Construction: A Case Study of Xiliu Ditch in the Yellow River Basin, China," Land, MDPI, vol. 12(7), pages 1-23, June.
    7. Jinfeng Wang & Ya Li & Sheng Wang & Qing Li & Lingfeng Li & Xiaoling Liu, 2023. "Assessment of Multiple Ecosystem Services and Ecological Security Pattern in Shanxi Province, China," IJERPH, MDPI, vol. 20(6), pages 1-18, March.

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