Nikulina T.V., Sorokin Yu.V.
V.Ya.Levanidov memorial lectures 2021; (9): 129-139
Data on the diatom flora composition of the Falshivaya River (Kamchatka Peninsula) received; it is represented by 113 species (122 intraspecific rank taxa) from the classes Coscinodiscophyceae, Fragilariophyceae and Bacillariophyceae. Species Diatoma hyemalis, D. mesodon, Fragilaria vaucheriae, Meridion circulare var. constrictum, Encyonema silesiacum, Gomphonema angustatum, G. parvulum, Planothidium lanceolatum, Pinnularia acidojaponica, Amphora pediculus, Nitzschia nana и N. palea are dominant and subdominant in river’s communities. Eighty species and varieties of diatoms (65,6%) are indicators of the degree of water saprobity, the most represented are oligo- and betamezosaprobionts – 26,2 and 22,1% respectively
