%0 Journal Article %T Deep-water part of the Middle Caspian Sea as a promising area of operation of the Caspian sprats %A Pomogaeva, T.V. %K sonar studies, Caspian sprats, Middle Caspian, density of clusters of sprats, fishing density of sprats, echogram %J Fisheries %D 2021 %N 2021 %P 4 %I FSBI "TSUREN"