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Construction and Optimization of an Ecological Security Pattern Based on the MCR Model: A Case Study of the Minjiang River Basin in Eastern China

Author

Listed:
  • Xinke Wang

    (College Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Xiangqun Xie

    (College Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Zhenfeng Wang

    (College Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Hong Lin

    (College Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Yan Liu

    (College Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Huili Xie

    (College Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Xingzhao Liu

    (College Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
    Innovation Center of Engineering Technology for Monitoring and Restoration of Ecological Fragile Areas in Southeast China, Ministry of Natural Resources, Fuzhou 350013, China)

Abstract

The Minjiang River Basin is one of the first pilot areas for ecological conservation and the restoration of mountain–river–forest–farmland–lake–grass in China. Taking the Minjiang River Basin as an example, this paper selected the importance of ecosystem service functions and ecological sensitivity to evaluate the ecological environment and identify ecological sources. Furthermore, we constructed an ecological resistance surface using artificial and natural interference factors. Through a minimum cumulative resistance model (MCR), the ecological security pattern (ESP) of “two barriers, one belt, many corridors, and many spots” was constructed. Research shows that: (1) In total, 43 ecological sources were identified, with a total area of 523 km 2 , accounting for 0.6% of the total land area. These were mainly distributed in the southwest and northwest of the Minjiang River Basin, such as in Zhangping, covered forest land, and cultivated land. (2) The connectivity of the network was low, and the spatial distribution of the ecological pinch points was uneven. A total of 118 ecological corridors and 22 important ecological pinch points were identified. The total length of the ecological corridor is 3,732,051.88 km, which is dense on the left side and sparse on the right side. (3) The ecological restoration area was composed of a low ecological safety area and a lower ecological safety area; the ecological control area was composed of a medium ecological safety area and a higher ecological safety area; and the ecological conservation area was composed of a high ecological safety area, at 6.5%, 27.7%, and 65.8%, respectively. Constructing the ESP of the Minjiang River Basin is important for promoting harmonious socioeconomic development and ecological protection. In addition, it can provide a reference basis for other experimental areas of mountain–river–forest–farmland–lake–grass.

Suggested Citation

  • Xinke Wang & Xiangqun Xie & Zhenfeng Wang & Hong Lin & Yan Liu & Huili Xie & Xingzhao Liu, 2022. "Construction and Optimization of an Ecological Security Pattern Based on the MCR Model: A Case Study of the Minjiang River Basin in Eastern China," IJERPH, MDPI, vol. 19(14), pages 1-20, July.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:14:p:8370-:d:858901
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    References listed on IDEAS

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    1. Xingxing Jin & Luyao Wei & Yi Wang & Yuqi Lu, 2021. "Construction of ecological security pattern based on the importance of ecosystem service functions and ecological sensitivity assessment: a case study in Fengxian County of Jiangsu Province, China," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(1), pages 563-590, January.
    2. Rong Guo & Tong Wu & Mengran Liu & Mengshi Huang & Luigi Stendardo & Yutong Zhang, 2019. "The Construction and Optimization of Ecological Security Pattern in the Harbin-Changchun Urban Agglomeration, China," IJERPH, MDPI, vol. 16(7), pages 1-18, April.
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    6. Xueman Zuo & Jiazheng Li & Ludan Zhang & Zhilong Wu & Sen Lin & Xisheng Hu, 2023. "Spatio-Temporal Variations in Ecological Quality and Its Response to Topography and Road Network Based on GEE: Taking the Minjiang River Basin as a Case," Land, MDPI, vol. 12(9), pages 1-25, September.
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