TY JOUR TI EVALUATING WATER QUALITY IN VELIKAYA RIVER BY USING PHYTOPLANKTON CHARACTERISTICS KW microalgae KW phytoplankton KW taxon KW species composition KW abundance KW biomass KW saprobity index KW mouth of the Velikaya River. JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Drozdenko, T.V. AU Antal, T.K. PY 2021 IS PB Astrakhan State Technical University