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Construction and Optimization of an Ecological Network in the Yellow River Source Region Based on MSPA and MCR Modelling

Author

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  • Jia Liu

    (College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China
    Shenzhen Data Management Center of Planning and Natural Resources (Shenzhen Geospatial Information Center), Shenzhen 518040, 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)

  • Yanping Yang

    (College of Geomatics and Geoinformation, 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 source region of the Yellow River (SRYR) is an important water conservation and farming area in China. Under the dual influence of the natural environment and external pressure, ecological patches in the region are becoming increasingly fragmented, and landscape connectivity is continuously declining, which directly affect the landscape patch pattern and SRYR sustainable development. In the SRYR, morphological spatial pattern analysis (MSPA) and landscape index methods were used to extract ecologically important sources. Based on the minimum cumulative resistance model (MCR), Linkage Mapper was used to generate a potential corridor, and then potential stepped stone patches were identified and extracted by the gravity model and betweenness centrality to build an optimal SRYR ecological network. The distribution of patches in the core area of the SRYR was fragmented, accounting for 80.53% of the total grassland area. The 10 ecological sources based on the landscape connectivity index and 15 important corridors identified based on the MCR model were mainly distributed in the central and eastern regions of the SRYR. Through betweenness centrality, 10 stepped stone patches were added, and 45 planned ecological corridors were obtained to optimize the SRYR ecological network and enhance east and west connectivity. Our research results can provide an important reference for the protection of the SRYR ecosystem, and have important guiding significance and practical value for ecological network construction in ecologically fragmented areas.

Suggested Citation

  • Jia Liu & Jianjun Chen & Yanping Yang & Haotian You & Xiaowen Han, 2023. "Construction and Optimization of an Ecological Network in the Yellow River Source Region Based on MSPA and MCR Modelling," IJERPH, MDPI, vol. 20(4), pages 1-17, February.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:4:p:3724-:d:1074008
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    References listed on IDEAS

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    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.
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    Cited by:

    1. Zhonghua Yang & Caihong Ma & Yuanyuan Liu & Honghong Zhao & Yuqi Hua & Shengya Ou & Xin Fan, 2023. "Provincial-Scale Research on the Eco-Security Structure in the Form of an Ecological Network of the Upper Yellow River: A Case Study of the Ningxia Hui Autonomous Region," Land, MDPI, vol. 12(7), pages 1-22, July.
    2. Jiaqi Hu & Sheng Jiao & Huiwen Xia & Qiaoyun Qian, 2023. "Construction of Rural Multifunctional Landscape Corridor Based on MSPA and MCR Model—Taking Liukeng Cultural and Ecological Tourism Area as an Example," Sustainability, MDPI, vol. 15(16), pages 1-19, August.

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