Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow Landslides

In the present work, Raman, Fourier Transform Infrared (FTIR) and elemental Laser-Induced Breakdown Spectroscopy (LIBS) spectroscopic techniques were used for the assessment of the influence of plant root composition towards shallow landslide occurrence. For this purpose, analyses were directly carr...

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Main Authors: Lorenzo Marzini, Daniele Ciofini, Juri Agresti, Leonardo Ciaccheri, Enrico D’Addario, Leonardo Disperati, Salvatore Siano, Iacopo Osticioli
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Forests
Subjects:
Online Access:https://www.mdpi.com/1999-4907/14/4/825
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author Lorenzo Marzini
Daniele Ciofini
Juri Agresti
Leonardo Ciaccheri
Enrico D’Addario
Leonardo Disperati
Salvatore Siano
Iacopo Osticioli
author_facet Lorenzo Marzini
Daniele Ciofini
Juri Agresti
Leonardo Ciaccheri
Enrico D’Addario
Leonardo Disperati
Salvatore Siano
Iacopo Osticioli
author_sort Lorenzo Marzini
collection DOAJ
description In the present work, Raman, Fourier Transform Infrared (FTIR) and elemental Laser-Induced Breakdown Spectroscopy (LIBS) spectroscopic techniques were used for the assessment of the influence of plant root composition towards shallow landslide occurrence. For this purpose, analyses were directly carried out on root samples collected from chestnut forests of the Garfagnana basin (northern Apennines, Italy) in different areas devoid and affected by shallow landslides due to frequent heavy rain events. Results have highlighted a correlation between the biochemical constituents of wooden roots and the sampling areas. In particular, different content of lignin/cellulose, as well as minerals nutrients, have been detected in roots collected where shallow landslides occurred, with respect to more stable areas. The results achieved are in line with the scientific literature which has demonstrated the link between the chemical composition of roots with their mechanical properties and, in particular, tensile strength and cohesion. Finally, portable spectroscopic instrumentations were employed without the need for either any sample preparation for Raman and LIBS spectroscopy or minimal preparation for FTIR spectroscopy. This novel and fast approach has allowed achieving information on the content of the major constituents of the root cell, such as cellulose and lignin, as well as their mineral nutrients. This approach could be reasonably included among the vegetation protection actions towards instability, as well as for the evaluation of shallow landslide susceptibility, combining geological, vegetational and biochemical parameters with sustainability.
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spelling doaj.art-fc241502ecfb4c4d839fc4678404dbf32023-11-17T19:18:25ZengMDPI AGForests1999-49072023-04-0114482510.3390/f14040825Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow LandslidesLorenzo Marzini0Daniele Ciofini1Juri Agresti2Leonardo Ciaccheri3Enrico D’Addario4Leonardo Disperati5Salvatore Siano6Iacopo Osticioli7Dipartimento di Scienze Fisiche, della Terra e dell’Ambiente, Università degli Studi di Siena, 53100 Siena, ItalyIstituto di Fisica Applicata “N. Carrara”, Consiglio Nazionale delle Ricerche (IFAC-CNR), 50019 Florence, ItalyIstituto di Fisica Applicata “N. Carrara”, Consiglio Nazionale delle Ricerche (IFAC-CNR), 50019 Florence, ItalyIstituto di Fisica Applicata “N. Carrara”, Consiglio Nazionale delle Ricerche (IFAC-CNR), 50019 Florence, ItalyDipartimento di Scienze Fisiche, della Terra e dell’Ambiente, Università degli Studi di Siena, 53100 Siena, ItalyDipartimento di Scienze Fisiche, della Terra e dell’Ambiente, Università degli Studi di Siena, 53100 Siena, ItalyIstituto di Fisica Applicata “N. Carrara”, Consiglio Nazionale delle Ricerche (IFAC-CNR), 50019 Florence, ItalyIstituto di Fisica Applicata “N. Carrara”, Consiglio Nazionale delle Ricerche (IFAC-CNR), 50019 Florence, ItalyIn the present work, Raman, Fourier Transform Infrared (FTIR) and elemental Laser-Induced Breakdown Spectroscopy (LIBS) spectroscopic techniques were used for the assessment of the influence of plant root composition towards shallow landslide occurrence. For this purpose, analyses were directly carried out on root samples collected from chestnut forests of the Garfagnana basin (northern Apennines, Italy) in different areas devoid and affected by shallow landslides due to frequent heavy rain events. Results have highlighted a correlation between the biochemical constituents of wooden roots and the sampling areas. In particular, different content of lignin/cellulose, as well as minerals nutrients, have been detected in roots collected where shallow landslides occurred, with respect to more stable areas. The results achieved are in line with the scientific literature which has demonstrated the link between the chemical composition of roots with their mechanical properties and, in particular, tensile strength and cohesion. Finally, portable spectroscopic instrumentations were employed without the need for either any sample preparation for Raman and LIBS spectroscopy or minimal preparation for FTIR spectroscopy. This novel and fast approach has allowed achieving information on the content of the major constituents of the root cell, such as cellulose and lignin, as well as their mineral nutrients. This approach could be reasonably included among the vegetation protection actions towards instability, as well as for the evaluation of shallow landslide susceptibility, combining geological, vegetational and biochemical parameters with sustainability.https://www.mdpi.com/1999-4907/14/4/825RamanFTIRLIBStensile strengthroot reinforcement
spellingShingle Lorenzo Marzini
Daniele Ciofini
Juri Agresti
Leonardo Ciaccheri
Enrico D’Addario
Leonardo Disperati
Salvatore Siano
Iacopo Osticioli
Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow Landslides
Forests
Raman
FTIR
LIBS
tensile strength
root reinforcement
title Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow Landslides
title_full Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow Landslides
title_fullStr Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow Landslides
title_full_unstemmed Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow Landslides
title_short Exploring the Potential of Portable Spectroscopic Techniques for the Biochemical Characterization of Roots in Shallow Landslides
title_sort exploring the potential of portable spectroscopic techniques for the biochemical characterization of roots in shallow landslides
topic Raman
FTIR
LIBS
tensile strength
root reinforcement
url https://www.mdpi.com/1999-4907/14/4/825
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