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Ecological Restoration Strategies for the Topography of Loess Plateau Based on Adaptive Ecological Sensitivity Evaluation: A Case Study in Lanzhou, China

Author

Listed:
  • Honglei Cui

    (School of Architecture, Harbin Institute of Technology, Shenzhen 518055, China)

  • Mei Liu

    (School of Architecture, Harbin Institute of Technology, Shenzhen 518055, China)

  • Chen Chen

    (School of Art and Design, Guangdong University of Technology, Guangzhou 510006, China)

Abstract

Existing studies related to ecological sensitivity evaluation are comparatively mature; however, few approaches are concerned with distinctive topographical conditions that enable response to specific environmental restoration requirements. In this paper, an adaptive ecological sensitivity evaluation framework is established according to a representative plateau topography (i.e., the Loess Plateau region) via a case study of Gaolan County, China. Through the process of factor selection, index system construction, formula adaption, factor weight determination by analytic hierarchy process (AHP) as well as the support of RS and GIS technology, the ecological sensitivity of the research region has been evaluated and analyzed in combination with land use types and typical gully problems. The results show that high sensitivity areas account for 11.16 percent of the total area in the research region and a tendency for fragmentation in spatial distribution. Forest lands with steep slopes in gullies’ upstream have the highest ecological sensitivity, the proportion of forest and garden land dominated by trees in the highest sensitivity area is around 80 percent. Evidence-based ecological restoration strategies are proposed in terms of the topography of Loess Plateau. This study shows possibilities to adapt existing sensitivity evaluation model for medium-scaled specific topography problems and provides useful clues as a basis for knowledge acquisition that can feed into spatial design, planning and restoration processes.

Suggested Citation

  • Honglei Cui & Mei Liu & Chen Chen, 2022. "Ecological Restoration Strategies for the Topography of Loess Plateau Based on Adaptive Ecological Sensitivity Evaluation: A Case Study in Lanzhou, China," Sustainability, MDPI, vol. 14(5), pages 1-17, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:5:p:2858-:d:761728
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    References listed on IDEAS

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    1. Yiping Liu & Chengpeng Lu & Jinhuang Mao & Jiaxing Pang & Zhiliang Liu & Muchen Hou, 2021. "Comprehensive Evaluation of the Importance of Ecological Land in Arid Hilly Cities in Northwest China: A Case Study of the Core Urban Area of Lanzhou," Land, MDPI, vol. 10(9), pages 1-18, September.
    2. 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.
    3. Jon Bergengren & Duane Waliser & Yuk Yung, 2011. "Ecological sensitivity: a biospheric view of climate change," Climatic Change, Springer, vol. 107(3), pages 433-457, August.
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    Cited by:

    1. Shufei Wang & Yining Zhuang & Yingui Cao & Kai Yang, 2022. "Ecosystem Service Assessment and Sensitivity Analysis of a Typical Mine–Agriculture–Urban Compound Area in North Shanxi, China," Land, MDPI, vol. 11(9), pages 1-16, August.
    2. Guanglong Dong & Zhonghao Liu & Yuanzhao Niu & Wenya Jiang, 2022. "Identification of Land Use Conflicts in Shandong Province from an Ecological Security Perspective," Land, MDPI, vol. 11(12), pages 1-18, December.
    3. 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.

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