Population status of Greenland halibut <Emphasis Type="Italic">Reinhardtius hippoglossoides</Emphasis> (Walbaum, 1793) of the Laptev Sea |
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| Authors: | S Yu Orlova A A Volkov O A Maznikova N V Chernova I I Glebov " target="_blank">A M Orlov |
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| Institution: | 1.Russian Federal Research Institute of Fisheries and Oceanography,Moscow,Russia;2.Zoological Institute,Russian Academy of Sciences,St. Petersburg,Russia;3.Pacific Fisheries Research Center,Vladivostok,Russia;4.Severtsov Institute of Ecology and Evolution,Russian Academy of Sciences,Moscow,Russia;5.Dagestan State University,Makhachkala, Dagestan,Russia;6.Tomsk State University,Tomsk,Russia |
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| Abstract: | This is the first study to perform a comparative genetic analysis of Greenland halibut in the samples from the Atlantic (waters of west and east of Greenland), Arctic (Laptev Sea), and Pacific (the western part of the Bering Sea) ocean basins using seven microsatellite loci. The obtained data clearly demonstrate that the Greenland halibut population in the Laptev Sea belongs to the groups of the Atlantic Ocean basin. Apparently, the Greenland halibut of the Laptev Sea is represented by a dependent population, which is replenished due to the drift of immatures from the spawning grounds in the Barents Sea with the transformed Atlantic water flow along the continental slope. In addition, the Arctic population can be partially replenished due to the breeding of the halibut in local spawning grounds. |
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