Walleye pollock (Theragra chalcogramma) fishery in the waters ajaсent to Kamchatka Peninsula in 2003–2015

Analysis of Danish seine catches from the coastal waters of South-East Kamchatka has revealed all seasonal distribution of saffron cod connected to the sites of the continental sandbanks influenced by aquatic vortexes with increased benthic biomass, where the catches could reach 2.5 t/fishing operation. Based on the data of the trawl and Danish seine surveying, the stock abundance, the occurence frequency, the catches of saffron cod and the contribution into the total catch in the area mentioned increased in the fall-winter period, but could not be characterized as significant. In the period of the research (2003–2018) the Danish seine catches of saffron cod varied as 1–189 t, averaged 31.8 t. The fish in the Danish seine catches had the body length from 11 to 56 cm and the body weight from 20 to 750 г. The mean length and weight of saffron cod in summer was 30.8 cm and 241.7 g and in winter – 31.2 cm and 301.6 g respectively. Occurrence of independent reproductive groups of saffron cod in the coastal bays and on the shelf of South-East Kamchatka can be suggested based on the data of stock abundance distribution, differences in the size composition and the time of maturity.

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Walleye pollock (<i>Gadus chalcogrammus</i>, Pallas, 1814) fishery, size and age composition, state of stocks and catch prospects in the waters adjacent to Kamchatka peninsula and Northern Kuril Islands

Варкентин¹,

Sergeeva²,

Ilyin³

et al. 2021

Issledovaniâ vodnyh biologičeskih resursov Kamčatki i Severo-Za

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The article provides data on the catch of the Northern Okhotsk, Eastern Kamchatka and Western Bering Sea walleye pollock stocks, fishery structure by the fishing gears in 2016–2019, size and age composition of the fish in the commercial trawl and Danish seine catches in 2010–2019. Data on the generation abundance and stock condition indices used in the stock assessment models are also demonstrated. Interannual dynamics of the total and spawning stock biomass, determinants of the dynamics and prospects of fishing are analyzed.

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Walleye pollock (Theragra chalcogramma) fishery in the waters ajaсent to Kamchatka Peninsula in 2003–2015

Cited by 11 publications

References 0 publications

Winter Seabird Populations in Open Waters of the Sea of Okhotsk

Winter Seabird Populations in Open Waters of the Sea of Okhotsk

Some peculiarities of saffron cod <i>Eleginus gracilis</i> (Tilesius) biology and distribution on South-East Kamchatka

Walleye pollock (<i>Gadus chalcogrammus</i>, Pallas, 1814) fishery, size and age composition, state of stocks and catch prospects in the waters adjacent to Kamchatka peninsula and Northern Kuril Islands

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