By-Catch and Discard in the Trawl and Snurrevod Fishery  in the Far East Fishery Basin

Badaev, O. Z.

doi:10.36038/0234-2774-2020-21-1-53-66

2020

DOI: 10.36038/0234-2774-2020-21-1-53-66

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By-Catch and Discard in the Trawl and Snurrevod Fishery in the Far East Fishery Basin

O. Z. Badaev¹

Abstract: Based on the databases of daily ship reports and scientific observations, a characteristic of the structure of catches in the fishery by pelagic and bottom trawls, as well as by snurrevaad in the Far Eastern Fisheries Basin, is given. It has been revealed that the fisheries regulation mechanisms in place during the study period did not fully solve the discards problem. On the one hand, there has been some improvement in the development of valuable species of by-catch, and on the other, an increase in discards … Show more

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“…Fishery and Aquaculture Statistics. Global capture production 1950-2020 Доступно через: https://www.fao.org/fishery/ statistics-query/en/capture/capture_quantity 20.04.2022…”

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confidence: 99%

Walleye pollock as an object of Russian and world fishery

Kolonchin

Pavlova

Betin

et al. 2022

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The aim of the work is to analyze walleye pollock as an object of Russian and world fishery.Result: The dynamics of the walleye pollock fishery development in the historical aspect is considered against the background of the world fish catch and in the context of different countries from 1950 to the present days. Proposals are given to increase resource conservation in the walleye pollock fishery.Novelty: the latest up-to-date data on walleye pollock fishing statistics in Russia and in the world is presented, ways to improve the accuracy of accounting for caught aquatic biological resources are proposed.Practical significance: recommendations for improving catch accounting in the Russian Federation based on the experience of the USSR and other countries are listed.Methods used: data on catch statistics are given using the FishStatJ software for fishery statistical time series, a review of foreign and domestic published works and the results of our own research are given. During the research, modern instrumental methods were used.

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“…Fishery and Aquaculture Statistics. Global capture production 1950-2020 Доступно через: https://www.fao.org/fishery/ statistics-query/en/capture/capture_quantity 20.04.2022…”

mentioning

confidence: 99%

Walleye pollock as an object of Russian and world fishery

Kolonchin

Pavlova

Betin

et al. 2022

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The state of the problem of irrational use of aquatic biological resources in 2022 on the example of Pollock fishing

Iakimov

2022

Vestn. Ross. univ. družby nar., Ser. Èkol. bezop. žiznedeât.

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The supervisory authorities insufficiently control the large-scale fishing that currently exists and there are problems in this industry. The study of the current real situation on mining vessels is very important, since the data, that they receive from them is often incorrect and the actual volumes of the seizure of aquatic biological resources are unknown. Describes the state of the problem of irrational use of aquatic biological resources on the example of Pollock fishing. Provides data on fishing operations, by-catch of other species of aquatic organisms and various violations in the fishery. It describes the amount of ejection overboard of Pollock juveniles, adults and everything that does not go into processing on the ship. The current work of the supervisory authorities on the quality of control and accounting of violations is described.

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Catches structure of hydrobionts in the trap survey of crabs in the Okhotsk sea

Артеменков¹,

Орлов²,

Moiseev³

2022

Fish Breeding and Fisheries

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In the world, annually the level of emissions from fisheries in the seas reaches 10.8% or 9.1 million tons per year, and according to Russian experts, only in the trawl and snurry fisheries of the Russian Far East, annual emissions are about 1.2 million tons. Therefore, the purpose of this work is to analyze the structure of catches of the main commercial species of crabs and by-catch of other invertebrates and fish. The collection of biological materials and fishing statistics was carried out in the course of research work from July 27 to October 5, 2021 on the research vessel (RV) Zodiak in the northern part of the Sea of Okhotsk (North Sea of Okhotsk subzone SOM, 55°01ʹ58 °05ʹ N and 142°00ʹ-154°02ʹ E; West Kamchatka subzone ZK, 58°00ʹ-59°40ʹ N and 154°45ʹ-159°30ʹ E). In the SOM, studies have shown that, depending on the depth, the near-bottom temperature varied widely from –1.48 to 2.84 °С, in the WK — from 0.20 to 6.72 °С, which is generally typical for this season of the year and water areas. The number and distribution of the main objects of the crab fishery, namely the opilio snow crab in the SOM and the blue crab in the ZK, are at the average long-term level. A rare extensive research area made it possible to describe the true distribution of crabs. The structure of hydrobiont catches also included 13 trumpeter species and 13 fish species in two subzones of the Sea of Okhotsk. Since crab fishing in different periods of the year is carried out in different water areas and is mainly concentrated in a small area, structure of catches is likely will be less diverse.

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By-Catch and Discard in the Trawl and Snurrevod Fishery in the Far East Fishery Basin

Cited by 4 publications

References 0 publications

Walleye pollock as an object of Russian and world fishery

Walleye pollock as an object of Russian and world fishery

The state of the problem of irrational use of aquatic biological resources in 2022 on the example of Pollock fishing

Catches structure of hydrobionts in the trap survey of crabs in the Okhotsk sea

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