Genomic population structure of Striped Bass (Morone saxatilis) from the Gulf of St. Lawrence to Cape Fear River

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dc.contributor.authorLeBlanc, Nathalie M.
dc.contributor.authorGahagan, Benjamin I.
dc.contributor.authorAndrews, Samuel N.
dc.contributor.authorAvery, Trevor S.
dc.contributor.authorPuncher, Gregory N.
dc.contributor.authorReading, Benjamin J.
dc.contributor.authorBuhariwalla, Colin F.
dc.contributor.authorCurry, R. Allen
dc.contributor.authorWhiteley, Andrew R.
dc.contributor.authorPavey, Scott A.
dc.date.accessioned2023-05-26T18:53:17Z
dc.date.available2023-05-26T18:53:17Z
dc.date.issued2020-07-14
dc.description.abstractStriped Bass, Morone saxatilis (Walbaum, 1792), is an anadromous fish species that supports fisheries throughout North America and is native to the North American Atlantic Coast. Due to long coastal migrations that span multiple jurisdictions, a detailed understanding of population genomics is required to untangle demographic patterns, understand local adaptation, and characterize population movements. This study used 1,256 single nucleotide polymorphism (SNP) loci to investigate genetic structure of 477 Striped Bass sampled from 15 locations spanning the North American Atlantic coast from the Gulf of St. Lawrence, Canada, to the Cape Fear River, United States. We found striking differences in neutral divergence among Canadian sites, which were isolated from each other and US populations, compared with US populations that were much less isolated. Our SNP dataset was able to assign 99% of Striped Bass back to six reporting groups, a 39% improvement over previous genetic markers. Using this method, we found (a) evidence of admixture within Saint John River, indicating that migrants from the United States and from Shubenacadie River occasionally spawn in the Saint John River; (b) Striped Bass collected in the Mira River, Cape Breton, Canada, were found to be of both Miramichi River and US origin; (c) juveniles in the newly restored Kennebec River population had small and nonsignificant differences from the Hudson River; and (d) tributaries within the Chesapeake Bay showed a mixture of homogeny and small differences among each other. This study introduces new hypotheses about the dynamic zoogeography of Striped Bass at its northern range and has important implications for the local and international management of this species.
dc.description.copyrightThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. © 2020 The Authors. Evolutionary Applications published by John Wiley & Sons Ltd.
dc.identifier.issn1752-4571
dc.identifier.urihttps://unbscholar.lib.unb.ca/handle/1882/22605
dc.language.isoen
dc.publisherWiley Open Access
dc.relationUniversity of New Brunswick
dc.relationNatural Sciences and Engineering Research Council of Canada
dc.relationU.S. Fish and Wildlife Service, Sportfish Restoration Program
dc.relationNew Brunswick Innovation Foundation
dc.relationMassachusetts Division of Marine Fisheries
dc.relationCanada Research Chairs
dc.relation.hasversionhttps://doi.org/10.1111/eva.12990
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.subject.disciplineBiology
dc.subject.disciplineForestry and Environmental Management
dc.titleGenomic population structure of Striped Bass (Morone saxatilis) from the Gulf of St. Lawrence to Cape Fear River
dc.typejournal article
oaire.citation.endPage1486
oaire.citation.issue6
oaire.citation.startPage1468
oaire.citation.titleEvolutionary Applications
oaire.citation.volume13
oaire.license.conditionhttp://creativecommons.org/licenses/by/4.0/
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85

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