Recent experience of surveying the spawning grounds of pacific salmons in the water bodies of Chukotka
https://doi.org/10.26428/1606-9919-2020-200-270-291
Abstract
Aerial survey of the pacific salmon spawning grounds was conducted in the water bodies of Chukotka belonged to the Bering Sea basin (the Anadyr, Velikaya, Tumanskaya Rivers and Meinypilgyno lake-river system) in 2019, for the first time since 1992. Total flight time was 35 hours, approximate length of the transects was 3,800 km. Number of the spawners was estimated as 660.7 . 103 ind. for chum salmon, 112.2 . 103 ind. for sockeye salmon, and 3678.0 . 103 ind. for pink salmon, features of their distribution are described.
About the Authors
E. A. Shevlyakov
Pacific branch of VNIRO (TINRO)
Russian Federation
Russian Federation
Shevlyakov Evgeny A., Ph.D., head of department
4, Shevchenko Alley, Vladivostok, 690091
S. V. Shubkin
Kamchatka branch of VNIRO (KamchatNIRO)
Russian Federation
Russian Federation
Shubkin Sergey V., leading specialist
18, Naberezhnaya Str., Petropavlovsk-Kamchatsky, 683000
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Review
For citations:
Shevlyakov E.A., Shubkin S.V. Recent experience of surveying the spawning grounds of pacific salmons in the water bodies of Chukotka. Izvestiya TINRO. 2020;200(2):270-291. (In Russ.) https://doi.org/10.26428/1606-9919-2020-200-270-291
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