TY JOUR TI Assessment of watercourses of Astrakhan by hydrobiological and microbiological indicators KW watercourse KW pollution KW hydrobiological indicators KW water quality KW phytoplankton KW indicated species KW saprobity index KW microbial indices JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Galperina, A.R. AU Bareeva, A.. AU Korolevskaya, V.. AU Soprunova, O.. PY 2019 IS PB Astrakhan State Technical University