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Landscape Ecological Security of the Lijiang River Basin in China: Spatiotemporal Evolution and Pattern Optimization

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  • Jinlong Hu

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China
    Institute of Guangxi Tourism Industry, Guilin University of Technology, Guilin 541004, China)

  • Guo Qing

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China)

  • Yingxue Wang

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China
    Institute of Guangxi Tourism Industry, Guilin University of Technology, Guilin 541004, China)

  • Sicheng Qiu

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China)

  • Nan Luo

    (College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin 541004, China
    Institute of Guangxi Tourism Industry, Guilin University of Technology, Guilin 541004, China)

Abstract

The ecological security of karst basins is receiving increased attention as a result of intense human activity and climate change. However, how ecological security evolves in spacetime and the optimization of ecological security patterns still remain unclear. This study developed a methodological framework for evaluating ecological security and optimizing ecological security patterns of the Lijiang River Basin (LRB). The 3S technology was used to analyze the current status and evolution characteristics of landscape ecological security in the LRB from 1990 to 2020. This study identified and optimized ecological security patterns by adhering to the basic paradigm of “source identification–resistance surface construction–corridor extraction–node determination”. The results showed that the overall ecological security of the LRB was at a medium to high level, with an index showing an initial increase followed by a decrease. The LRB exhibited 24 ecological pinch points, 74 ecological corridors, 30 ecological sources, and 6 ecological barrier points. The predominant landscape types found within these pinch points and barrier points encompass forests, cultivated land, and urban areas. A scheme of “three cores, two belts, and six zones” was proposed to optimize the ecological security pattern of the LRB. This study provides a theoretical basis and technical references for the integrated management of the rivers, grasslands, farmlands, mountains, lakes, forests, and sands in the LRB, as well as for the ecological restoration of other regions.

Suggested Citation

  • Jinlong Hu & Guo Qing & Yingxue Wang & Sicheng Qiu & Nan Luo, 2024. "Landscape Ecological Security of the Lijiang River Basin in China: Spatiotemporal Evolution and Pattern Optimization," Sustainability, MDPI, vol. 16(13), pages 1-22, July.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:13:p:5777-:d:1430246
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    References listed on IDEAS

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    1. Rachel Guillain & Julie Le Gallo, 2010. "Agglomeration and Dispersion of Economic Activities in and around Paris: An Exploratory Spatial Data Analysis," Environment and Planning B, , vol. 37(6), pages 961-981, December.
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    1. Danning Chen & Weifeng Chen & Xincun Zhu & Shugang Xie & Peiyu Du & Xiaolong Chen & Dong Lv, 2025. "Multi-Scenario Simulation and Restoration Strategy of Ecological Security Pattern in the Yellow River Delta," Sustainability, MDPI, vol. 17(20), pages 1-28, October.
    2. Zihan Dong & Haodong Liu & Hua Liu & Yongfu Chen & Xinru Fu & Yang Zhang & Jiajia Xia & Zhiwei Zhang & Qiao Chen, 2025. "Analysis of Habitat Quality Changes in Mountainous Areas Using the PLUS Model and Construction of a Dynamic Restoration Framework for Ecological Security Patterns: A Case Study of Golog Tibetan Autono," Land, MDPI, vol. 14(8), pages 1-23, July.
    3. Pei-Xian Liu & Ying Liu & Tie-Nan Li & Wei-Wei Guo & A-Long Yang & Xiao Yang & En-Zhong Li & Zheng-Jun Wang, 2024. "Identification and Trend Analysis of Ecological Security Pattern in Mudanjiang City Based on MSPA-MCR-PLUS Model," Sustainability, MDPI, vol. 16(22), pages 1-24, November.
    4. Yuchi Cai & Hong Li & Wancong Li, 2024. "Optimization of a “Social-Ecological” System Pattern from the Perspective of Ecosystem Service Supply and Demand: A Case Study of Jilin Province," Land, MDPI, vol. 13(10), pages 1-31, October.
    5. Onggarbek Alipbeki & Pavel Grossul & Daniyar Rakhimov & Przemyslaw Kupidura & Chaimgul Alipbekova & Gauhar Musaif & Rimma Turekeldiyeva & Kairat Augambaev & Maira Begaliyeva, 2025. "Ecosystem Health Assessment of the Zerendy District, Kazakhstan," Sustainability, MDPI, vol. 17(1), pages 1-25, January.
    6. Jinlong Hu & Tingting Huang & Zhenhong Bin & Yingxue Wang, 2024. "Spatiotemporal Changes in Ecological Network Structure and Enhancing Territorial Space Management in Guilin, China," Sustainability, MDPI, vol. 16(24), pages 1-22, December.

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