Genetic characterization of juvenile chum salmon with otolith marks of Japanese salmon hatcheries in the catches of trawl surveys 2016–2021
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean(2024)
Abstract
Chum salmon sample from the catches of autumn trawl surveys in the Sea of Okhotsk (2016–2021), including individuals with otolith marks of Japanese salmon hatcheries (SHs), was analyzed based on microsatellite loci polymorphism. Reference database of eight microsatellite loci frequencies, created before and included 26 samples of chum salmon from major reproductive regions in the Sea of Okhotsk basin, has been updated with data on the microsatellite allele variety of chum salmon from Hokkaido and Honshu. Result s of the research indicate of strong similarity between chum salmon of the Kuril Islands and individuals released from Japanese SHs.
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