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Effect of herbaceous plant root density on slope stability in a shallow landslide-prone area

Author

Listed:
  • Jia Li

    (Lanzhou University
    Gansu Academy of Sciences)

  • Xia Wang

    (Lanzhou University
    Key Laboratory for Environmental Pollution Prediction and Control)

  • Haixia Jia

    (Lanzhou University
    Key Laboratory for Environmental Pollution Prediction and Control)

  • Yang Liu

    (Lanzhou University
    Gansu Academy of Sciences)

  • Yunfei Zhao

    (Lanzhou University
    Key Laboratory for Environmental Pollution Prediction and Control)

  • Changming Shi

    (Lanzhou University
    Gansu Academy of Sciences)

  • Furong Zhang

    (Lanzhou University
    Gansu Academy of Sciences)

Abstract

To evaluate the effects of herbaceous plants’ roots density on soil structure and slope stability in a shallow landslide-affected area, we determined the mechanical characteristics of roots of four herbs (Cynodon dactylon, Artemisia sacrorum, Digitaria sanguinalis, and Clematis florida) growing on slopes prone to landslides and analyzed their effects on soil physicochemical properties. Root tensile strength and shear strength of root–soil composites were determined at different root densities. The slope safety factor was simulated using the strength reduction method. Compared with bare land soil, rhizosphere soils were characterized by higher bulk density, porosity, nutrient content, aggregate content, and greater stability (p

Suggested Citation

  • Jia Li & Xia Wang & Haixia Jia & Yang Liu & Yunfei Zhao & Changming Shi & Furong Zhang, 2022. "Effect of herbaceous plant root density on slope stability in a shallow landslide-prone area," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 112(3), pages 2337-2360, July.
    • Handle: RePEc:spr:nathaz:v:112:y:2022:i:3:d:10.1007_s11069-022-05268-0
    DOI: 10.1007/s11069-022-05268-0
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    References listed on IDEAS

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    1. G. Wang, 2013. "Lessons learned from protective measures associated with the 2010 Zhouqu debris flow disaster in China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 69(3), pages 1835-1847, December.
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    Cited by:

    1. Yongsheng Yao & Peiyi Xu & Jue Li & Hengwu Hu & Qun Qi, 2024. "Advancements and Applications of Life Cycle Assessment in Slope Treatment: A Comprehensive Review," Sustainability, MDPI, vol. 16(1), pages 1-28, January.

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