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Exploring the variability in elastic properties of roots in Alpine tree species

Journal of forest science (Praha), 2021-01, Vol.67 (7), p.338-356 [Peer Reviewed Journal]

2021. This work is published under https://www.agriculturejournals.cz/web/about/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1212-4834 ;EISSN: 1805-935X ;DOI: 10.17221/4/2021-JFS

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  • Title:
    Exploring the variability in elastic properties of roots in Alpine tree species
  • Author: Cislaghi, Alessio
  • Subjects: biomechanical properties ; Biomechanics ; Diameters ; elastic modulus ; Elastic properties ; Environmental conditions ; Fibers ; Interspecific ; Landslides ; Mechanical properties ; Modulus of elasticity ; Plant species ; protection of forests ; root reinforcement ; Roots ; Soil stabilization ; Statistical analysis ; Strain ; Stress-strain curves ; Tensile tests ; Tortuosity
  • Is Part Of: Journal of forest science (Praha), 2021-01, Vol.67 (7), p.338-356
  • Description: Quantifying the soil reinforcement provided by roots is essential for assessing the contribution of forests to reducing shallow landslide susceptibility. Many soil-root models were developed in the literature: from standard single root model to fibre bundle model. The input parameters of all models are the geometry of roots (diameter and length) and the biomechanical properties (maximum tensile force and elastic modulus). This study aims to investigate the elastic properties estimated by the stress-strain curves measured during tensile tests. A standard procedure detected two different moduli of elasticity: one due to the root tortuosity, and the other due to the woody fibres of roots. Based on a large dataset of tensile tests on different Alpine tree species, the relationships between elastic modulus and root diameter was estimated for each series. Further, the interspecific and intraspecific variability in such relationships was investigated by a statistical analysis. The results showed more intraspecific differences in the elastic modulus vs. root diameter relationships compared to the interspecific ones. This outcome could be an important criterion of discrimination to explain the variability of the elastic properties and to provide representative biomechanical properties for specific environmental conditions.
  • Publisher: Prague: Czech Academy of Agricultural Sciences (CAAS)
  • Language: English;Czech;Slovak
  • Identifier: ISSN: 1212-4834
    EISSN: 1805-935X
    DOI: 10.17221/4/2021-JFS
  • Source: TestCollectionTL3OpenAccess
    Alma/SFX Local Collection
    ProQuest Central
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