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Open AccessArticle

Implementation of Nature-Based Solutions for Hydro-Meteorological Risk Reduction in Small Mediterranean Catchments: The Case of Portofino Natural Regional Park, Italy

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Istituto di Ricerca per la Protezione Idrogeologica, Consiglio Nazionale delle Ricerche, Strada della Cacce 73, 10135 Torino, Italy
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Dipartimento di Scienze della Terra dell’Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
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Geographical Information System International Group (GISIG), Via Piacenza 54, 16138 Genoa, Italy
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Department of Engineering, Parthenope University of Naples, Via Amm. F. Acton 38, 80133 Naples, Italy
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IHE Delft Institute for Water Education, Westvest 7, 2611 AX Delft, The Netherlands
*
Authors to whom correspondence should be addressed.
Sustainability 2020, 12(3), 1240; https://doi.org/10.3390/su12031240
Received: 10 December 2019 / Revised: 5 February 2020 / Accepted: 6 February 2020 / Published: 8 February 2020
(This article belongs to the Special Issue Nature-Based Solutions—Concept, Evaluation, and Governance)
Nature-based solutions (NBS) are usually defined as complementary or alternative solutions to “grey infrastructures” (traditionally made with cement) aimed at conserving and regenerating the functionality of natural and semi-natural ecosystems. The research to date shows a considerable potential of NBS to address the current challenges related to climate change and geo-hydrological risks. Despite significant interest in NBS by researchers and practitioners, knowledge concerning their practical implementation, monitoring, and evaluation is still lacking. This is particularly true for large-scale NBS. The present paper discusses how such solutions can be implemented in the context of hydro-meteorological risk reduction in small Mediterranean catchments with a strong tourist vocation. The work presented here is situated within the RECONECT Project (Regenerating ECOsystems with Nature-based solutions for hydro-meteorological risk rEduCTion), which aims to contribute to a European reference framework on NBS by demonstrating, upscaling, and replicating large-scale NBS in rural and natural areas. The Italian case study of RECONECT is the Portofino Natural Regional Park, which represents a unique natural landscape element with high ecologic, social, and economic (touristic) value, which is threatened by a range of geo-hydrological hazards, such as flash floods, hyper-concentrated floods, shallow landslides, rockfalls, and storm surges. This paper also presents details of NBS interventions in two pilot catchments (San Fruttuoso and Paraggi) visited by thousands of tourists throughout the year. It addresses some of the key aspects related to monitoring meteorological and hydrological processes, as well as remote sensing activities (i.e., LiDAR surveys), which are necessary for the identification of critical-instability areas along waterways and the reconstruction of dry stone walls. Lastly, a discussion of relevant mitigation and adaptation strategies that are potentially replicable at national and international levels is also provided. View Full-Text
Keywords: nature-based solutions; hydro-meteorological risk reduction; Portofino Natural Regional Park, Liguria; Italy nature-based solutions; hydro-meteorological risk reduction; Portofino Natural Regional Park, Liguria; Italy
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Turconi, L.; Faccini, F.; Marchese, A.; Paliaga, G.; Casazza, M.; Vojinovic, Z.; Luino, F. Implementation of Nature-Based Solutions for Hydro-Meteorological Risk Reduction in Small Mediterranean Catchments: The Case of Portofino Natural Regional Park, Italy. Sustainability 2020, 12, 1240.

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