TY JOUR TI PHYTOPLANKTON AS COMPONENT OF FODDER BASE IN MUNOZERO (LAKE ONEGA BASIN) KW phytoplankton KW taxonomic structure KW abundance KW biomass KW seasonal dynamics KW saprobity KW pond status KW fish productivity KW feeding JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Slastina, Y.L. PY 2021 IS PB Astrakhan State Technical University