Dynamics of biomass of commercial fish of the bottom-near bottom complex in the Primorye subzone in 2009-2020
https://doi.org/10.36038/2307-3497-2022-188-110-124
Abstract
The aim of the work was to study the dynamics of biomass of valuable commercial fish species in the Primorye subzone, the extraction of which is possible using bottom trawl.
The main method of collecting materials was the accounting bottom trawl surveys in the Primorye subzone, carried out in 2009–2020.
As results, the dynamics of fish biomass as a whole and five separate fishing objects, the extraction of which can be carried out by bottom trawl, are considered. During the research, the resources of flounders and saffron cod have decreased. The biomass of sculpins at first increased (by 2016), and then also decreased. Arabesque greenling biomass changed significantly over the years without showing clear trends. Pacific cod has a tendency to increase biomass. The largest specific biomass of saffron cod and plain sculpin are observed in Peter the Great Bay, sealyeye plaice and great, graypurple and black edged sculpins — in the northern Primorye, and pacific cod and yellowfin sole — in the Khabarovsk part of the subzone.
About the Authors
N. L. Aseeva
Pacific branch of VNIRO («TINRO»)
Russian Federation
Russian Federation
Nadezhda L. Aseeva
690091
4, per. Shevchenko
Vladivostok
D. G. Kravchenko
Pacific branch of VNIRO («TINRO»)
Russian Federation
Russian Federation
Dmitry G. Kravchenko
690091
4, per. Shevchenko
Vladivostok
D. V. Izmyatinsky
Pacific branch of VNIRO («TINRO»)
Russian Federation
Russian Federation
Denis V. Izmyatinsky
690091
4, per. Shevchenko
Vladivostok
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Review
For citations:
Aseeva N.L., Kravchenko D.G., Izmyatinsky D.V. Dynamics of biomass of commercial fish of the bottom-near bottom complex in the Primorye subzone in 2009-2020. Trudy VNIRO. 2022;188:110-124. (In Russ.) https://doi.org/10.36038/2307-3497-2022-188-110-124
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