TY JOUR TI Fluctuation of total number of fish larvae and their mass types depending on environmental factors in the Mesha bay of the Kuibyshev reservoir in 2012-2018 KW fish larvae KW abundance KW species diversity KW abundance index KW perch KW bream KW water level KW water temperature JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Kuznetsov, V.. AU Severov, Y.. AU Kuznetsov, V.. AU Shakirova, F.. PY 2019 IS PB Astrakhan State Technical University