Dynamics of stocks walleye pollock
2013
Zverkova, L.M.
Results of the analysis of dynamics stocks of Walleye pollock Theragra chalcogramma are presented. Substantial growth of a biomass of fish on all area has occurred in the middle of 70-80 years of the XX-th century. The available statistics catches and other indirect data testifies that the previous period high biomass of this species was in the middle of 30-40 of the XX-th century. The current state is characterized by a stock rate of a pollock below mean annual on the basic part area. On a long-term time scale of high abundance and biomass pollock reaches at approach of the period of strengthening of activity of Aleutian Low
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