Potential of Transplanted Seagrass Meadows on Wave Attenuation in a Fetch-Limited Environment

In this paper, the effectiveness of transplanted (either created or restored) seagrass meadows as a coastal protection measure is assessed through a five-step methodology. The analysis is focused on a stretch of the Catalan coast (NW Mediterranean) which is a fetch-limited environment. The results s...

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Bibliographic Details
Published in:Journal of marine science and engineering 2023-06, Vol.11 (6), p.1186
Main Authors: Sierra, Joan Pau, Gracia, Vicente, Castell, Xavier, García-León, Manuel, Mösso, César, Lin-Ye, Jue
Format: Article
Language:English
Subjects:
Analysis
Beach erosion
Carbon sequestration
Climate change
Coastal erosion
Coastal management
coastal protection
Coastal zone
Coastal zone management
Coasts
Destructive fishing
Diameters
Ecosystem services
Ecosystems
Energy
Environmental protection
Fetch
Flooding
Habitats
Mediterranean Sea
Methods
Planting density
Posidonia oceanica
Protection
Sea grasses
seagrass meadows
Sediments
Shore protection
Shoreline protection
Soil erosion
Spain
Water quality
Wave attenuation
Wave height
Wave power
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Summary:In this paper, the effectiveness of transplanted (either created or restored) seagrass meadows as a coastal protection measure is assessed through a five-step methodology. The analysis is focused on a stretch of the Catalan coast (NW Mediterranean) which is a fetch-limited environment. The results show that even considering conservative values for the meadow parameters (plant diameter, meadow density and canopy height), significant reductions of the annual average wave heights reaching the beach may be obtained, reducing flooding and erosion risks. Therefore, the investment in the conservation and restauration of seagrass meadows for protecting coastal areas from erosion and flooding is a measure that must be considered, due to the multiple benefits that they provide including ecosystem services. In addition, the proposed methodology may be a useful tool for coastal managers to help them in the design of seagrass meadows for coastal protection.
ISSN:2077-1312
2077-1312
DOI:10.3390/jmse11061186