Russian Federation
UDK 63 Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство
GRNTI 69.31 Промышленное рыболовство
OKSO 35.06.03 Рыбное хозяйство
OKSO 35.03.08 Водные биоресурсы и аквакультура
OKSO 35.03.09 Промышленное рыболовство
BBK 472 Рыбное хозяйство
The article presents the results of hydroacoustic studies of the deep-water part of the Middle Caspian Sea in the summer period 2019-2020. The spatial distribution in the studied water area and the ratio of biomass in the upper 50-meter layer are presented. Shows typical of echogram the records of sprats.
sonar studies, Caspian sprats, Middle Caspian, density of clusters of sprats, fishing density of sprats, echogram
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