TY JOUR TI ON THE FEATURES OF NATURAL REPRODUCTION OF BREAM (ABRAMIS BRAMA ORIENTALIS, 1758) ON THE SPAWNING GROUNDS OF THE LOWer VOLGA IN THE HIGH-WATER YEAR OF 2013 AND LOW-WATER YEAR OF 2015 KW natural reproduction KW bream KW flood KW hydrological regime KW larvae KW spawning ground KW juveniles JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Vasilchenko, O.. AU Ponomarev, S.. PY 2017 IS PB Astrakhan State Technical University