Recent experience of surveying the spawning grounds of pacific salmons in the water bodies of Chukotka

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...

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Bibliographic Details
Published in:Izvestiya TINRO
Main Authors: E. A. Shevlyakov, S. V. Shubkin
Format: Article in Journal/Newspaper
Language:Russian
Published: Transactions of the Pacific Research Institute of Fisheries and Oceanography 2020
Subjects:
тихоокеанские лососи
авиаобследование
производители
нерестилища
чукотка
Aquaculture. Fisheries. Angling
SH1-691
Anadyr
Anadyr’
Bering Sea
Pacific
Sockeye
Tumanskaya
Anadyr'
Chukotka
Pink salmon
ЧУКОТКА
Online Access:https://doi.org/10.26428/1606-9919-2020-200-270-291
https://doaj.org/article/b76de31dbd5d45c0b14148209d2e76e6
Description
Summary: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.

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