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

Jia Li, Xia Wang (), Haixia Jia, Yang Liu, Yunfei Zhao, Changming Shi and Furong Zhang
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Jia Li: Lanzhou University
Xia Wang: Lanzhou University
Haixia Jia: Lanzhou University
Yang Liu: Lanzhou University
Yunfei Zhao: Lanzhou University
Changming Shi: Lanzhou University
Furong Zhang: Lanzhou University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2022, vol. 112, issue 3, No 20, 2337-2360

Abstract: 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

Keywords: Shallow landslides; Soil reinforcement; Vegetation restoration; Slope stability; Root density (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s11069-022-05268-0

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