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Article

Application of Bioengineering Techniques as Geo-Hydrological Risk Mitigation Measures in a Highly Valuable Cultural Landscape: Experiences from the Cinque Terre National Park (Italy)

1
Department of Earth, Environment and Life Sciences (DISTAV), University of Genoa, Corso Europa 26, 16132 Genova, Italy
2
GeoScape Soc. Coop., Via Varese 2, 16122 Genova, Italy
3
Private Consultant, Via Valle 31, 19020 Vezzano Ligure, Italy
4
Private Consultant, Via Provinciale 64/4, 28855 Masera, Italy
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Department of Earth, Environmental and Resource Sciences (DiSTAR), Federico II University of Naples, Complesso Universitario di Monte Sant’Angelo, Via Cinthia 21, 80126 Napoli, Italy
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Geologic Risks Studies Center of the Cinque Terre National Park, 19017 Riomaggiore, Italy
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Cinque Terre National Park, Via Discovolo snc-c/o Stazione Manarola, Manarola, 19017 Riomaggiore, Italy
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(20), 8653; https://doi.org/10.3390/su12208653
Received: 7 September 2020 / Revised: 14 October 2020 / Accepted: 16 October 2020 / Published: 19 October 2020
In this work, experiences from the use of bioengineering techniques as geo-hydrological risk mitigation measures within the territory of Cinque Terre National Park (Eastern Liguria, Italy) after an extreme rainfall event that occurred on 25 October 2011 are described. This rainstorm was responsible for intense erosive processes and triggered numerous shallow landslides, causing severe structural and economic damage. After this disastrous event, many bioengineering interventions were planned to stabilize the most unstable slopes and the most problematic streams. Based on multidisciplinary studies and field surveys, an inventory of the executed bioengineering works was compiled. Subsequently, on the basis of expert judgement, both the efficiency and effectiveness of the works three years after their construction were examined. Furthermore, the compliance of the executed works with the design requirements was analysed. This study revealed that some of the investigated works lack post-intervention maintenance and require the adoption of remedial measures aimed at improving the biotechnical functions of live materials, which are often ineffective. This case study highlights the importance of technical aspects that should be considered during the design phase of bioengineering works, especially when implemented within protected areas. Specifically, it would be greatly helpful to define instructions for post-intervention maintenance and monitoring and to perform vegetational studies. Considering the great cultural and natural heritage of the study area, the obtained results are expected to provide useful information for the definition of guidelines for the best practices to be adopted when future bioengineering works are planned for geo-hydrological risk management purposes. View Full-Text
Keywords: bioengineering; Cinque Terre; cultural landscapes; geo-hydrological risk; shallow landslides; slope stabilization bioengineering; Cinque Terre; cultural landscapes; geo-hydrological risk; shallow landslides; slope stabilization
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MDPI and ACS Style

Pepe, G.; Baudinelli, E.; Zanini, M.; Calcaterra, D.; Cevasco, A.; Scarpellini, P.; Firpo, M. Application of Bioengineering Techniques as Geo-Hydrological Risk Mitigation Measures in a Highly Valuable Cultural Landscape: Experiences from the Cinque Terre National Park (Italy). Sustainability 2020, 12, 8653. https://doi.org/10.3390/su12208653

AMA Style

Pepe G, Baudinelli E, Zanini M, Calcaterra D, Cevasco A, Scarpellini P, Firpo M. Application of Bioengineering Techniques as Geo-Hydrological Risk Mitigation Measures in a Highly Valuable Cultural Landscape: Experiences from the Cinque Terre National Park (Italy). Sustainability. 2020; 12(20):8653. https://doi.org/10.3390/su12208653

Chicago/Turabian Style

Pepe, Giacomo, Elena Baudinelli, Matteo Zanini, Domenico Calcaterra, Andrea Cevasco, Patrizio Scarpellini, and Marco Firpo. 2020. "Application of Bioengineering Techniques as Geo-Hydrological Risk Mitigation Measures in a Highly Valuable Cultural Landscape: Experiences from the Cinque Terre National Park (Italy)" Sustainability 12, no. 20: 8653. https://doi.org/10.3390/su12208653

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