Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea

Detalhes bibliográficos
Autor(a) principal: Calò, Antonio
Data de Publicação: 2016
Outros Autores: Muñoz, Irene, Pérez-Ruzafa, Ángel, Vergara-Chen, Carlos, García-Charton, José Antonio
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10198/15335
Resumo: Marine protected areas (MPAs) and networks of MPAs are advocated worldwide for the achievement of marine conservation objectives. Although the knowledge about population connectivity is considered fundamental for the optimal design of MPAs and networks, the amount of information available for the Mediterranean Sea is currently scarce. We investigated the genetic structure of the saddled sea bream ( Oblada melanura) and the level of genetic connectivity between protected and unprotected locations, using a set of 11 microsatellite loci. Spatial patterns of population differentiation were assessed locally (50-100 km) and regionally (500-1000 km), considering three MPAs of the Western Mediterranean Sea. All values of genetic differentiation between locations (Fst and Jost's D) were non-significant after Bonferroni correction, indicating that, at a relatively small spatial scale, protected locations were in general well connected with non-protected ones. On the other hand, at the regional scale, discriminant analysis of principal components revealed the presence of a subtle pattern of genetic heterogeneity that reflects the geography and the main oceanographic features (currents and barriers) of the study area. This genetic pattern could be a consequence of different processes acting at different spatial and temporal scales among which the presence of admixed populations, large population sizes and species dispersal capacity, could play a major role. These outcomes can have important implications for the conservation biology and fishery management of the saddled sea bream and provide useful information for genetic population studies of other coastal fishes in the Western Mediterranean Sea.
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spelling Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean SeaGenetic connectivityMarine protected areasMediterranean SeaSea breamSpatial scaleMarine protected areas (MPAs) and networks of MPAs are advocated worldwide for the achievement of marine conservation objectives. Although the knowledge about population connectivity is considered fundamental for the optimal design of MPAs and networks, the amount of information available for the Mediterranean Sea is currently scarce. We investigated the genetic structure of the saddled sea bream ( Oblada melanura) and the level of genetic connectivity between protected and unprotected locations, using a set of 11 microsatellite loci. Spatial patterns of population differentiation were assessed locally (50-100 km) and regionally (500-1000 km), considering three MPAs of the Western Mediterranean Sea. All values of genetic differentiation between locations (Fst and Jost's D) were non-significant after Bonferroni correction, indicating that, at a relatively small spatial scale, protected locations were in general well connected with non-protected ones. On the other hand, at the regional scale, discriminant analysis of principal components revealed the presence of a subtle pattern of genetic heterogeneity that reflects the geography and the main oceanographic features (currents and barriers) of the study area. This genetic pattern could be a consequence of different processes acting at different spatial and temporal scales among which the presence of admixed populations, large population sizes and species dispersal capacity, could play a major role. These outcomes can have important implications for the conservation biology and fishery management of the saddled sea bream and provide useful information for genetic population studies of other coastal fishes in the Western Mediterranean Sea.This research was supported by the European project ‘InitialTraining Network for Monitoring Mediterranean Marine ProtectedAreas’ (MMMPA: FP7-PEOPLE-2011-ITN) [grant number 290056].Irene Mu˜noz was supported by Fundación Séneca (Murcia, Spain)through the Post-doctoral fellowship 19149/PD/13-N and CarlosVergara-Chen was partially supported by the “Sistema Nacionalde Investigación (SNI) of the Secretaría Nacional de Ciencia, Tec-nología e Innovación (SENACYT)” of Panama. Authors wish to thankDr. Josep Lloret (Univeristy of Girona), Prof. Patrice Francour, Prof.Patricia Pierson, Pierre Vandenbussche and Guillaume Spennato(University of Nice), Serge Moreau and Gilles Garnier (Port-Crosand Porquerolles National Park) and Chiara Adamuccio for assis-tance during field works. Authors wish to thank the editor andtwo anonymous reviewers for their useful comments which havehelped us to improve the manuscript.Biblioteca Digital do IPBCalò, AntonioMuñoz, IrenePérez-Ruzafa, ÁngelVergara-Chen, CarlosGarcía-Charton, José Antonio2018-01-25T10:00:00Z20162016-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10198/15335engCalò, Antonio; Muñoz, Irene; Pérez-Ruzafa, Ángel; Vergara-Chen, Carlos; García-Charton, José Antonio (2016). Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea. Fisheries Research. ISSN 0165-7836. 176, p. 30-380165-783610.1016/j.fishres.2015.12.001info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-21T10:35:51Zoai:bibliotecadigital.ipb.pt:10198/15335Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T23:04:57.257742Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
title Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
spellingShingle Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
Calò, Antonio
Genetic connectivity
Marine protected areas
Mediterranean Sea
Sea bream
Spatial scale
title_short Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
title_full Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
title_fullStr Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
title_full_unstemmed Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
title_sort Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
author Calò, Antonio
author_facet Calò, Antonio
Muñoz, Irene
Pérez-Ruzafa, Ángel
Vergara-Chen, Carlos
García-Charton, José Antonio
author_role author
author2 Muñoz, Irene
Pérez-Ruzafa, Ángel
Vergara-Chen, Carlos
García-Charton, José Antonio
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Biblioteca Digital do IPB
dc.contributor.author.fl_str_mv Calò, Antonio
Muñoz, Irene
Pérez-Ruzafa, Ángel
Vergara-Chen, Carlos
García-Charton, José Antonio
dc.subject.por.fl_str_mv Genetic connectivity
Marine protected areas
Mediterranean Sea
Sea bream
Spatial scale
topic Genetic connectivity
Marine protected areas
Mediterranean Sea
Sea bream
Spatial scale
description Marine protected areas (MPAs) and networks of MPAs are advocated worldwide for the achievement of marine conservation objectives. Although the knowledge about population connectivity is considered fundamental for the optimal design of MPAs and networks, the amount of information available for the Mediterranean Sea is currently scarce. We investigated the genetic structure of the saddled sea bream ( Oblada melanura) and the level of genetic connectivity between protected and unprotected locations, using a set of 11 microsatellite loci. Spatial patterns of population differentiation were assessed locally (50-100 km) and regionally (500-1000 km), considering three MPAs of the Western Mediterranean Sea. All values of genetic differentiation between locations (Fst and Jost's D) were non-significant after Bonferroni correction, indicating that, at a relatively small spatial scale, protected locations were in general well connected with non-protected ones. On the other hand, at the regional scale, discriminant analysis of principal components revealed the presence of a subtle pattern of genetic heterogeneity that reflects the geography and the main oceanographic features (currents and barriers) of the study area. This genetic pattern could be a consequence of different processes acting at different spatial and temporal scales among which the presence of admixed populations, large population sizes and species dispersal capacity, could play a major role. These outcomes can have important implications for the conservation biology and fishery management of the saddled sea bream and provide useful information for genetic population studies of other coastal fishes in the Western Mediterranean Sea.
publishDate 2016
dc.date.none.fl_str_mv 2016
2016-01-01T00:00:00Z
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10198/15335
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language eng
dc.relation.none.fl_str_mv Calò, Antonio; Muñoz, Irene; Pérez-Ruzafa, Ángel; Vergara-Chen, Carlos; García-Charton, José Antonio (2016). Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea. Fisheries Research. ISSN 0165-7836. 176, p. 30-38
0165-7836
10.1016/j.fishres.2015.12.001
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