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High-density SNP panel provides little evidence for population structure in European sea bass (Dicentrarchus labrax) in waters surrounding the UK

2025-05-01Journal article Open access
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dc.contributor.authorTaylor, Martin I.
dc.contributor.authorLamb, Philip D.
dc.contributor.authorCoscia, Ilaria
dc.contributor.authorMurray, David S.
dc.contributor.authorBrown, Mary
dc.contributor.authorCameron, Tom C.
dc.contributor.authorDavison, Phil I.
dc.contributor.authorFreeman, Howard A.
dc.contributor.authorGeorgiou, Katerina
dc.contributor.authorGrati, Fabio
dc.contributor.authorHaugen, Thrond
dc.contributor.authorKarachle, Paraskevi K.
dc.contributor.authorKennedy, Richard
dc.contributor.authorLanssens, Thomas
dc.contributor.authorLincoln, Harriet
dc.contributor.authorMartinho, Filipe
dc.contributor.authorMcCarthy, Ian
dc.contributor.authorPetroutsos, Spyros-Iasonas
dc.contributor.authorPita, Pablo
dc.contributor.authorPontes, João
dc.contributor.authorBaucells, Marta P.
dc.contributor.authorRangel, Mafalda
dc.contributor.authorRoche, William
dc.contributor.authorSbragaglia, Valerio
dc.contributor.authorSturrock, Anna M
dc.contributor.authorTaylor, Michelle L
dc.contributor.authorWogerbauer, Ciara
dc.contributor.authorVeiga, Pedro
dc.contributor.authorVerver, Sieto
dc.contributor.authorWeltersbach, Marc Simon
dc.contributor.authorHyder, Kieran
dc.contributor.editorStewart W Grant
dc.date.accessioned2025-07-09T09:08:53Z
dc.date.available2025-07-09T09:08:53Z
dc.date.issued2025-05-01
dc.description.abstractThe European sea bass (Dicentrarchus labrax) is a commercially and recreationally important fish widely, distributed across the Northeast Atlantic Ocean and Mediterranean Sea. Two distinct lineages that represent the Atlantic and Mediterranean regions have been previously identified, with a hybrid zone close to the Almeria-Oran front. The presence of fine-scale population structure within the Northeast Atlantic region is less clear. Here, we investigated population structure in adult samples obtained from the northern part of the Atlantic range surrounding the UK, Ireland, Belgium, Germany, France, the Netherlands, and Norway, along with outgroups from Portugal and the Mediterranean, using a panel of 41 K single nucleotide polymorphism markers. Population structure among Northeast Atlantic Ocean samples was weak in both spawning-(FST = 0.00022) and feeding-(FST = 0.00032) season data sets, with small pairwise FST values between sample pairs. However, average FST was larger between spawning samples than between feeding samples, with a pattern of isolation-by-distance among the spawning samples, but not the feeding samples, suggesting some biologically meaningful population structure. The largest pairwise FST values at both International Council for the Exploration of the Sea (ICES) rectangle and division scales involved a sample from the west of Ireland. We found no evidence of a gradient in "Mediterranean" ancestry among samples collected around the UK in our data set or in a reanalysis of a published data set where such a pattern had been previously identified. In summary, there was no evidence that sea bass in different ICES divisions within the Northeast Atlantic Ocean represents genetically separate populations. Further work is required to reconcile evidence from tagging and modelling studies that suggest the potential for demographic independence with the genetic data.eng
dc.description.sponsorshipLA/P/0092/2020
dc.identifier.doi10.1093/icesjms/fsaf064
dc.identifier.eissn1095-9289
dc.identifier.issn1054-3139
dc.identifier.urihttp://hdl.handle.net/10400.1/27358
dc.language.isoeng
dc.peerreviewedyes
dc.publisherOxford University Press
dc.relationCentre for Functional Ecology - Science for People & the Planet
dc.relation.ispartofICES Journal of Marine Science
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectFisheries
dc.subjectSnps
dc.subjectGenetics
dc.subjectSea bass
dc.subjectPopulation structure
dc.subjectConnectivity
dc.titleHigh-density SNP panel provides little evidence for population structure in European sea bass (Dicentrarchus labrax) in waters surrounding the UKeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Functional Ecology - Science for People & the Planet
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04004%2F2020/PT
oaire.citation.issue5
oaire.citation.titleICES Journal of Marine Science
oaire.citation.volume82
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNamePontes
person.familyNameRangel
person.familyNameVeiga
person.givenNameJoão
person.givenNameMafalda
person.givenNamePedro
person.identifier.ciencia-id2C13-186D-3884
person.identifier.ciencia-id5A17-5F02-A52B
person.identifier.orcid0000-0002-7223-5699
person.identifier.orcid0000-0001-5903-5687
person.identifier.orcid0000-0002-5256-6263
person.identifier.ridL-5194-2014
person.identifier.ridD-5056-2009
person.identifier.scopus-author-id21733786700
person.identifier.scopus-author-id36875409700
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublicationb82ab22b-d5ff-4599-8b1a-b8c698bd156e
relation.isAuthorOfPublicationea37d519-d2a0-4d46-923e-f45372bcb9d9
relation.isAuthorOfPublication0902f8ee-87af-4ee5-b18a-f8868ce2080f
relation.isAuthorOfPublication.latestForDiscovery0902f8ee-87af-4ee5-b18a-f8868ce2080f
relation.isProjectOfPublicationb12e8908-edaa-4192-ae16-10fdbbaa2ad3
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