TY JOUR TI Research of Kirovsk Reservoir for developing mobile active hydroacoustic fish protecting device KW reservoir KW dam KW depth KW current KW zooplankton KW zoobenthos KW biomass KW fish KW concentration JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Tumenov, A.. AU Asylbekova, S.. AU Kim, A.. AU Mukhramova, A.. PY 2021 IS 2021 PB Astrakhan State Technical University