Population structure and connectivity in the genus Molva in the Northeast Atlantic

L. McGill; A. D. McDevitt; B. HellemansF. NeatH. KnutsenS. MarianiH. ChristiansenT. JohansenF. A. M. VolckaertI. Coscia

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Population structure and connectivity in the genus Molva in the Northeast Atlantic

机译：Population structure and connectivity in the genus Molva in the Northeast Atlantic

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In fisheries, operational management units and biological data often do not coincide. In many cases, this is not even known due to the lack ofinformation about a species’ population structure or behaviour. This study focuses on two such species, the common ling Molva molva and theblue ling M. dypterygia, two Northeast Atlantic gadoids with overlapping geographical distribution, but different depth habitats. Heavily exploitedthroughout their ranges, with declining catches, little is known about their population structure. Genotyping-by-sequencing at thousands ofgenetic markers indicated that both species are separated into two major groups, one represented by samples from the coasts of westernScotland, Greenland, and the Bay of Biscay and the other off the coast of Norway. This signal is stronger for the deeper dwelling blue ling, eventhough adult dispersal was also identified for this species. Despite small sample sizes, fine-scale patterns of genetic structure were identifiedalong Norway for common ling. Signatures of adaptation in blue ling consisted in signs of selections in genes involved in vision, growth, andadaptation to cold temperatures.

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《ICES journal of marine science: International Council for the Exploration of the Sea journal of marine science》 |2023年第4期|1079-1086|共8页
作者
L. McGill; A. D. McDevitt; B. HellemansF. NeatH. KnutsenS. MarianiH. ChristiansenT. JohansenF. A. M. VolckaertI. Coscia;
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School of Science, Engineering and Environment, University of Salford, Salford M4 5WT, UK,Laboratory of Biodiversity and Evolutionary Genomics, KU Leuven, Leuven B3000, Belgium,Marine Institute, Rinville, Oranmore, Co. Galway H91R673, Ireland;

School of Science, Engineering and Environment, University of Salford, Salford M4 5WT, UK,Inverness College, University of the Highlands and Islands, Inverness IV2 5NA, UK;

School of Science, Engineering and Environment, University of Salford, Salford M4 5WT, UK,Department of Natural Sciences and the Environment, Atlantic Technological University, Galway H91 T8NW, IrelandLaboratory of Biodiversity and Evolutionary Genomics, KU Leuven, Leuven B3000, BelgiumWorld Maritime University, Malm? WMU: SE-201 24, SwedenSchool of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 5UG, UKInstitute of Marine Research, Troms? 9019, NorwayInstitute of Marine Research, His 4817, Norway,Centre for Coastal Research, Department of Natural Sciences, University of Agder, Kristiansand 4604, Norway;

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正文语种英语
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deep sea; fisheries; fjords; genomics; ling; Molva dypterygia; Molva molva; SNPs;

Population structure and connectivity in the genus Molva in the Northeast Atlantic

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