Abstract

A comparative analysis of hydroacoustic data from 2011 to 2024 allowed us to determine the distribution characteristics of Baikal omul in the spring in the water area of the Selenga shallows under a significant decrease in stocks. Test trawling provided analysis of the length-at-age data on Baikal omul, revealed an increase in the stock abundance owing to the 2019-2023 generations, and confirmed the possibility of the correct use of the length-weight relationship (LWR), W=10.9(SLdm)3.02, based on long-term data. The obtained data predict a growth of biomass, as a more inert indicator, in four-six years. To formulate a more accurate forecast, it is necessary to adjust the natural mortality rates.

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