%0 Journal Article %T EXPRESS ESTIMATION OF PLANKTON SIZE FRACTIONS IN THE WATER AREA OF SEVASTOPOL IN WINTER 2021-2022: MODEL STUDIES %A Ufimceva, M.A. %A Kuznetsov, A.V. %K monitoring, sequential filtration, plankton %J Russian Journal of Biological Physics and Chemisrty %D 2022 %N 7 %P 4 %I Federal State Educational Institution of Higher Education Sevastopol State University