The analysis of the dynamics of the Russian catch of pink salmon, chum salmon and sockeye salmon in comparison with changes in air temperature over the Far East basin is carried out. Since the early 1980s there was a synchronous rise in air temperature and catch of pink salmon, chum salmon and sockeye salmon. In 2005–2019, the air temperature stabilized. During this period, pink salmon, chum salmon and sockeye salmon reached their maximum catches. In recent years, there has been a decline. An especially strong drop in catches of all three types of salmon occurred in 2020, when the air temperature dropped noticeably. A good relationship was found between temperature and salmon catch at 4-year stepwise averaging. ARIMA model forecasting shows that the average air temperature will be 1,85 °C in 2021–2024. Accordingly, the total salmon catch will be approximately 300 thousand tons per year.

The authors discuss the current state of the krill fishery in the СCAMLR Area. Particular attention is paid to the prospects of resuming Russian krill fishery in the Atlantic Antarctic Area. In conclusion, issues of the development of expeditionary studies of krill as a priority task for supporting national krill fishery on the basis of up-to-date scientific information is discussed.

Bathymetric distribution of greenland halibut Reinhardtius hippoglossoides at the continental slope of the Okhotsk Sea is considered on the data of trawl surveys collected in 1980–2010s. This period is distinguished by prominent tendency to winter warming, with the ice cover decreasing and weakening of slope convection that ventilates the intermediate layer, accompanied by depletion of dissolved oxygen at the depths of halibut habitat below of 300–400 m, on average from 3,24 mL/L in 1970s to 2,68 mL/L in 2010s at the 500 m depth (to 2,25 mL/L in 2020). The deoxygenation is potentially unfavourable for deep-water species, which could be forced to leave the layers with oxygen content below the values dangerous for them. Within annual cycle of bathymetric migration, the deepest aggregations of greenland halibut are formed by large-sized adult fish at the depth up to 1000 m at Kamchatka in their pre-spawning and spawning periods (fall–winter), whereas a larger part of the population concentrates in feeding aggregations at shallower depths. Redistribution of the spawning aggregations from the depth of 900–1000 m to upper isobaths is observed in the last decades that could be caused by depletion of oxygen in this layer to the values <1 mL/L. However, the densest feeding aggregations at the depth of 400–700 m did not shiſt up, in spite of lower oxygen, but even were found deeper in the 2000–>2010s (below 600 m) than in the 1970–1990s (500–600 m). So deoxygenation in the core of the intermediate layer was not critical for greenland halibut, though the same process in the deepest portion of this layer caused its partial bathymetric redistribution. The process of deoxygenation coincided with period of weak reproduction of greenland halibut: any strong year-class did not appear in three last decades, and its population came into stable depression. However, this depression is unlikely caused by lack of oxygen, so far as redistribution of the spawners to the upper isobaths compensates completely the oxygen depletion.

Based on the results of the collected materials in April–June 2018–2020, during the period of fishing using small–set seines, the areas and timing of approaches of spawning herring, which is annually observed in the coastal area of Kunashir Island, are described for the first time. Based on the results obtained, it is shown that the course of spawning herring is quite extended in time and lasts from April to June. Intensive approaches of spawning herring were observed in the south–eastern part of the Pacific coast of the island. During the observation period, the herring was represented by homogeneous aggregations of both the Pacific and Okhotsk coasts of the island, formed by individuals from 14–15 up to 30–31 cm long at the age of 6 years. In different years the basis of herring aggregations was fish 22–28 cm long at the age of 3 to 5 years. It is suggested that the herring observed in April–June in the coastal zone of Kunashir Island belongs to the herring of the Sakhalin-Hokkaido population.

The growth dynamics of the otolith of the yellow-striped flounder Pseudopleuronectes herzensteini, in general, it has a similar character for males and females. During the first third of life, the otolith reaches 2/3 of the maximum size in both sexes. There are two stages in the growth of the otolith: nonlinear and linear. Sexual differences are better shown at the initial stage. The linear stage corresponds to the period of sexual maturity. The growth of the otoliths of the males is more abrupt, and the growth of the otoliths of the females is more monotonous. The specific growth rate of otolith increases with the change of temperature regime: from spring to summer and from autumn to winter.

The characteristics of commercial flounder’s accumulations in the northern Primorye are given. In this area, the flounder’s fishery is based on three species — sealyeye plaice Acanthopsetta nadeshnyi, flathead flounder Hippoglossoides dubius and Korean flounder Glyptocephalus stelleri. In the years of high abundance of flounders their stable share in catches on the aquatory of fishing accumulations was 60%, in the years of medium and low abundance — 30%. The shares of by-catch species on the flounder’s fishery were determined.

In the last two decades the Eastern Central Atlantic has been the main oceanic fishing area in the AtlantNIRO fields of activity, to a lesser extent the Southeast Atlantic and Southeast Pacific Oceans, Russian fishing vessels have harvested Argentine shortfin squid, Antarctic krill and tunas in various parts of the Atlantic Ocean. The Russian Federation is giving particular attention to the conservation and extension of national oceanic fisheries against a background of the constant complication and tightening of international regulation relating to the harvesting of oceanic biological resources. The work reviewed the specifications of the raw material base of the Russian fishery in the oceanic areas covered with the scope of AtlantNIRO activities and its use by the national fleet in the last twenty years. At present, there remains the possibility of increasing the production volume of aquatic biological resources in the World Ocean as well as the possibility of expanding research and obtaining valuable scientific materials with scientific support of Russian fishing vessels in remote oceanic regions which is very important in the context of a decrease in the turnover of scientific research expeditions in the World Ocean.

As a result of the conducted studies, it was found that in 2016–2020, the main contribution to the total catch of pollock in the northern part of the Sea of Okhotsk, in the Pacific waters adjacent to Kamchatka and the northern Kuril Islands, was provided by trawls of the so-called «western» projects. In the first area, the most common among these types of trawl was «Atlantic 1240», and in the second area — «Gloria 928 WB». In the same areas, at the same time, catches per unit effort on BATM and SRTM vessels with «western» projects («Atlantic 1240» and «Gloria» 928 WB») tended to be higher, mean length and weight lower, and relative number of fish below the commercial measure higher than with «far eastern» projects («154/1120 m trawl Pr. 342») and «99/624 m Pr. 280»). As a consequence, in the last 5 years, an increase in juvenile pollock in commercial trawl catches was recorded in the areas under consideration compared to the period 2002–2015, which is not related to the yield of generations. According to the nature of the set of rope elements and taper of the shell, we can conclude that the use of trawls «Gloria» and «Atlantic» allows trawling over thin clusters of pollock at high speeds, which leads to a larger volume of filtered water, and, therefore, to a larger catch per unit effort. The increase in the number in catches of younger fish against the background of a decrease in older fish in 2016–2019 can be associated with the use of trawls «western» projects exclusively in the water column, where the number of small fish is greater. Practical implementation of the research is the introduction of an additional period of selectivity of fishing mortality (2016– 2019) in 2019 in stock assessment and justification of TAC of the North Pacific pollock using the «Synthesis» model.

The Russian fisheries complex is an important component of the food security system of the Russian Federation. In this regard, strategic management becomes one of the key mechanisms that allows market actors in the field of fisheries to respond in a timely manner to changes in the external environment, and to create conditions for ensuring the economic and physical availability of fish products for customers. Based on the SWOT analysis of the system of strategic management of the fisheries complex, the conclusion is formulated that the most effective direction of development of the fisheries complex at the present stage is customer- oriented, which allows integrating the interests of business entities, end users and the state. The model of client-oriented strategic management of the fisheries complex and the mechanism of its implementation, allowing to specify the methods and tools of interaction between business entities, have been developed.

The article considers the conceptual foundations of the strategic development of the Russian Federation’s fisheries. The objectives, principles, sector and methods of development of the national fisheries are specified. The elimination of hunger and ensuring food security, decent work and economic growth, responsible consumption and production, and the preservation of marine ecosystems, which are part of the main goals of sustainable development of society, are identified as the main targets of the strategic development of the national fisheries sector. The principle of responsibility is considered as the basic principle of the strategic development of fisheries. Aquaculture is justified as a key sector vector of the development of the national fisheries. Benchmarking is considered as the initial methodological tool for the formation of an effective mechanism for managing the strategic development of fisheries.