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Provedor de dados:  ArchiMer
País:  France
Título:  Connectivity patterns of coastal fishes following different dispersal scenarios across a transboundary marine protected area (Bonifacio strait, NW Mediterranean)
Autores:  Koeck, Barbara
Gerigny, Olivia
Durieux, Eric Dominique Henri
Coudray, Sylvain
Garsi, Laure-helene
Bisgambiglia, Paul-antoine
Galgani, Francois
Agostini, Sylvia
Data:  2015-03
Ano:  2015
Palavras-chave:  Biophysical model
Early life stages
Reproductive timing
Pelagic larval duration
Resumo:  The Strait of Bonifacio constitutes one of the rare transboundary Marine Protected Areas (MPA) of the Mediterranean Sea (between Sardinia, Italy and Corsica, France). Based on the hypothesis that no-take zones will produce more fish larvae, compared to adjacent fished areas, we modeled the outcome of larvae released by coastal fishes inside the no-take zones of the MPA in order to: (i) characterize the dispersal patterns across the Strait of Bonifacio; (ii) identify the main potential settlement areas; (iii) quantify the connectivity and the larval supply from the MPAs to the surrounding areas. A high resolution hydrodynamic model (MARS 3D, Corse 400m) combined to an individual based model (Ichthyop software) was used to model the larval dispersal of fish following various scenarios (Pelagic Larval Duration PLD and release depth) over the main spawning period (i.e. between April and September). Dispersal model outputs were then compared with those obtained from an ichthyoplankton sampling cruise performed in August 2012. There was a the significant influence of PLD to the connectivity between coastal areas. The synchronization between spawning and hydrodynamic conditions appeared to be determinant in the larval transport success. Biotic and abiotic parameters affecting the dispersal dynamic of fish larvae within the Strait of Bonifacio were identified and synthesis maps were established as a tool for conservation planning.
Tipo:  Text
Idioma:  Inglês

Editor:  Academic Press Ltd- Elsevier Science Ltd
Formato:  application/pdf
Fonte:  Estuarine Coastal And Shelf Science (0272-7714) (Academic Press Ltd- Elsevier Science Ltd), 2015-03 , Vol. 154 , P. 234-247
Direitos:  2015 Elsevier Ltd. All rights reserved.


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