Diversity and distribution of dinoflagellates in water bodies of Ukraine (critical and systematic revision)

A critical and systematic revision of the superclass Dinoflagellata type Miozoa Ukraine was performed, results generalization retrospective modern data on their zonal ecological typological distribution were given. As 2022, 366 species (393 intraspecific) belonging to 3 classes, 14 orders, 45 families 98 genera are indicated for territorial waters Ukraine. Over past two decades, 108 new have been discovered. 100 Ukrainian sector Black Sea, 8 found first time in continental water bodies Ukraine, one which is science. Significant changes composition dinoflagellates this period due both findings appearance taxonomic combinations, significantly expanded generic spectrum. The most diverse orders remained: Peridiniales (118 species), a third all species, Gymnodiniales (80 or 22%), Gonyaulacales (60 16.4%). Among them, species-rich Gymnodinium (41), Protoperidinium Tripos (15) Dinophysis (25) order Dinophysiales, vast majority live Sea. feature dinoflagellate territory an increase diversity southeastern direction, from forest More than half (54.4%) (56.6%) noted only within physical-geographic zone sea. In particular, 174 (47%) 41 (41.8%) seas. Since mainly marine algae, greatest unique characteristic where almost 77% live. desalinated Azov there less them (21% 25% genera). Steppe has wide range types, highest observed among terrestrial zones: 39.6% 57% known According features, flora dominated by breckish-marine forms (63.5%), 2.5 times more freshwater breckish-reshwater (26.5%). significant share made up with amplitude adaptation (6.3%). Reservoirs different degrees myneralization, include estuaries myneralized reservoirs, as well contact zones fresh sea (river mouths), had representatives brackish complexes that absent other types reservoirs. Estuaries ranked second after seas terms richness (36.3% genera) predominance (58.5%). general, 1.4 fewer areas. Lakes (22.4%) ponds (21.6%) place (with exception estuaries) diversity, followed rivers (16.4%) swamps (15.8%), which, course, predominated species. There 34 widespread – eurytopeans. T he luminous remained unchanged (36), 25 causative agents "blooming", 27 toxic. Part (63 17%) Sea reference, 40 identified 50 years ago, so presence at present requires additional research. status form not yet determined, future will change thanks use molecular phylogenetic methods.