Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project

In the Mediterranean Sea, restoration of marine habitats has mostly focused on the endemic seagrass <i>Posidonia oceanica</i>. Despite several transplanting experiments, large-scale projects are rare, and their success is poorly known. The present work describes a restoration project of...

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Main Authors: Mario De Luca, Luigi Piazzi, Ivan Guala, Maria Francesca Cinti, Paolo Marras, Arianna Pansini, Federico Pinna, Alessandra Puccini, Antonio Santonastaso, Myriam Stelletti, Patrizia Stipcich, Vincenzo Pascucci
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Journal of Marine Science and Engineering
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Online Access:https://www.mdpi.com/2077-1312/13/1/3
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author Mario De Luca
Luigi Piazzi
Ivan Guala
Maria Francesca Cinti
Paolo Marras
Arianna Pansini
Federico Pinna
Alessandra Puccini
Antonio Santonastaso
Myriam Stelletti
Patrizia Stipcich
Vincenzo Pascucci
author_facet Mario De Luca
Luigi Piazzi
Ivan Guala
Maria Francesca Cinti
Paolo Marras
Arianna Pansini
Federico Pinna
Alessandra Puccini
Antonio Santonastaso
Myriam Stelletti
Patrizia Stipcich
Vincenzo Pascucci
author_sort Mario De Luca
collection DOAJ
description In the Mediterranean Sea, restoration of marine habitats has mostly focused on the endemic seagrass <i>Posidonia oceanica</i>. Despite several transplanting experiments, large-scale projects are rare, and their success is poorly known. The present work describes a restoration project of a large, degraded area in northern Sardinia (Italy) using cuttings harvested from a donor meadow that was destined for destruction due to harbor expansion. The receiving site was selected through a multidisciplinary study including acoustic mapping, ROV surveys, sediment assessment, and analyses of satellite images across ten years to evaluate the site suitability. Plants were manually uprooted from the donor meadow and cuttings were selected and transplanted within 24 h by environmental engineering techniques. The cuttings were transplanted onto degradable mats of natural coconut nets coupled with a double-twist steel mesh and anchored to the bottom. Overall, 7000 patches, each containing 20 cuttings, were transplanted in three periods: June–July 2022, October–November 2022, and February–March 2023. One year after the restoration, all the patches were in situ, with an overall cutting survival of 59%. The results are comparable to those of previous small-scale projects using the same technique and also endorse its suitability for the restoration of large, degraded areas.
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spelling doaj-art-ae77f44439a749db9b87642009ca50942025-01-24T13:36:30ZengMDPI AGJournal of Marine Science and Engineering2077-13122024-12-01131310.3390/jmse13010003Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension ProjectMario De Luca0Luigi Piazzi1Ivan Guala2Maria Francesca Cinti3Paolo Marras4Arianna Pansini5Federico Pinna6Alessandra Puccini7Antonio Santonastaso8Myriam Stelletti9Patrizia Stipcich10Vincenzo Pascucci11Department of Architecture, Design and Urban Planning, University of Sassari, 07100 Sassari, ItalyDepartment of Architecture, Design and Urban Planning, University of Sassari, 07100 Sassari, ItalyIMC—International Marine Centre, 09170 Oristano, ItalyDepartment of Architecture, Design and Urban Planning, University of Sassari, 07100 Sassari, ItalyDepartment of Architecture, Design and Urban Planning, University of Sassari, 07100 Sassari, ItalyDepartment of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, 07100 Sassari, ItalyDepartment of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, 07100 Sassari, ItalyDepartment of Architecture, Design and Urban Planning, University of Sassari, 07100 Sassari, ItalyDepartment of Architecture, Design and Urban Planning, University of Sassari, 07100 Sassari, ItalyDepartment of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, 07100 Sassari, ItalyDepartment of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, 07100 Sassari, ItalyDepartment of Architecture, Design and Urban Planning, University of Sassari, 07100 Sassari, ItalyIn the Mediterranean Sea, restoration of marine habitats has mostly focused on the endemic seagrass <i>Posidonia oceanica</i>. Despite several transplanting experiments, large-scale projects are rare, and their success is poorly known. The present work describes a restoration project of a large, degraded area in northern Sardinia (Italy) using cuttings harvested from a donor meadow that was destined for destruction due to harbor expansion. The receiving site was selected through a multidisciplinary study including acoustic mapping, ROV surveys, sediment assessment, and analyses of satellite images across ten years to evaluate the site suitability. Plants were manually uprooted from the donor meadow and cuttings were selected and transplanted within 24 h by environmental engineering techniques. The cuttings were transplanted onto degradable mats of natural coconut nets coupled with a double-twist steel mesh and anchored to the bottom. Overall, 7000 patches, each containing 20 cuttings, were transplanted in three periods: June–July 2022, October–November 2022, and February–March 2023. One year after the restoration, all the patches were in situ, with an overall cutting survival of 59%. The results are comparable to those of previous small-scale projects using the same technique and also endorse its suitability for the restoration of large, degraded areas.https://www.mdpi.com/2077-1312/13/1/3biodegradable matsenvironmental engineeringMediterranean Searecoveryseagrass transplantation
spellingShingle Mario De Luca
Luigi Piazzi
Ivan Guala
Maria Francesca Cinti
Paolo Marras
Arianna Pansini
Federico Pinna
Alessandra Puccini
Antonio Santonastaso
Myriam Stelletti
Patrizia Stipcich
Vincenzo Pascucci
Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project
Journal of Marine Science and Engineering
biodegradable mats
environmental engineering
Mediterranean Sea
recovery
seagrass transplantation
title Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project
title_full Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project
title_fullStr Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project
title_full_unstemmed Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project
title_short Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project
title_sort restoration of i posidonia oceanica i meadow using cuttings from an area impacted by harbor extension project
topic biodegradable mats
environmental engineering
Mediterranean Sea
recovery
seagrass transplantation
url https://www.mdpi.com/2077-1312/13/1/3
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