Transborder Gene Flow between Canada and the USA and Fine-Scale Population Structure of Atlantic Cod in the Broader Gulf of Maine Region

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dc.contributor.authorPuncher, Gregory Neils
dc.contributor.authorWang, Yanjun
dc.contributor.authorMartin, Ryan
dc.contributor.authorDeCelles, Gregory
dc.contributor.authorCadrin, Steven X.
dc.contributor.authorZemeckis, Douglas
dc.contributor.authorRowe, Sherrylynn
dc.contributor.authorLeblanc, Nathalie M.
dc.contributor.authorParent, Genevieve J.
dc.contributor.authorPavey, Scott A.
dc.date.accessioned2023-05-26T12:12:30Z
dc.date.available2023-05-26T12:12:30Z
dc.date.issued2021-03-23
dc.description.abstractFishery managers have struggled for decades to rebuild stocks of Atlantic Cod Gadus morhua in the northwestern Atlantic Ocean, and the resolution of current fine-scale population structure will surely help those efforts. Using double digest restriction-site associated DNA sequencing, we analyzed 248 adult and 215 juvenile Atlantic Cod collected from areas bordering the Canada–USA boundary in 2017–2018. Chromosomal inversions from linkage group (LG) 2 and LG 7 contribute the largest amount of variance to the data set. A southwesterly decrease in the proportion of LG 1 inversion haplotypes may indicate gene flow from areas north of 45°N. Samples from both the northern Gulf of Maine and Bay of Fundy were genetically distinct from all other samples, suggesting that local spawning groups may still be active. Genetic similarities between Atlantic Cod from Browns Bank and eastern Georges Bank indicate that transborder gene flow is ongoing. These results will help to better define the stocks in order to guide the implementation of management strategies in the USA and Canada, which should consider rebuilding exhausted and genetically isolated populations.
dc.description.copyrightThis is the peer reviewed version of the following article: [Puncher, G.N., Wang, Y., Martin, R., DeCelles, G., Cadrin, S.X., Zemeckis, D., Rowe, S., Leblanc, N.M., Parent, G.J. and Pavey, S.A. (2021), Transborder Gene Flow between Canada and the USA and Fine-Scale Population Structure of Atlantic Cod in the Broader Gulf of Maine Region. Trans Am Fish Soc, 150: 560-577. https://doi.org/10.1002/tafs.10305], which has been published in final form at [https://doi.org/10.1002/tafs.10305]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
dc.identifier.issn0002-8487
dc.identifier.issn1548-8659
dc.identifier.urihttps://unbscholar.lib.unb.ca/handle/1882/22599
dc.language.isoen
dc.publisherWiley
dc.relationFisheries and Oceans Canada
dc.relationAGC
dc.relationCanada Research Chair Program
dc.relationCanadian Foundation for Innovation
dc.relationNew Brunswick Innovation Fund
dc.relationNSERC
dc.relation.hasversionhttps://doi.org/10.1002/tafs.10305
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.subject.disciplineBiology
dc.titleTransborder Gene Flow between Canada and the USA and Fine-Scale Population Structure of Atlantic Cod in the Broader Gulf of Maine Region
dc.typejournal article
oaire.citation.endPage577
oaire.citation.issue5
oaire.citation.startPage560
oaire.citation.titleTransactions of the American Fisheries Society
oaire.citation.volume150
oaire.license.conditionother
oaire.versionhttp://purl.org/coar/version/c_ab4af688f83e57aa

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