TY JOUR TI FLUORESCENCE OF CHLOROPHYLL FOR ASSESSING THE STATE OF ALGAE KW chlorophyll fluorescence KW algae KW phytoplankton KW photosynthesis KW ecology JO Russian Journal of Biological Physics and Chemisrty AU Matorin, D.N. AU Bratkovskaja, L.B. AU Alekseev, A.A. PY 2018 IS 3 PB Federal State Educational Institution of Higher Education Sevastopol State University