Algal flora of Iran reservoirs was investigated. There were recorded 1129 species of algae (1339 infraspecific taxa) from 9 divisions. Among of them are Cyanophyta – 172 species (183 infr. taxa), Euglenophyta – 53 (57), Chrysophyta – 17 (21), Xanthophyta – 39 (40), Bacillariophyta – 531 (677), Dinophyta – 25 (30), Cryptophyta – 7 (7), Chlorophyta – 172 (185) and Streptophyta – 113 (129). The data on spectra of conducting genera are resulted. Algal flora of studied reservoirs was proposed to group into 5 groups: diatoms, diatomic-green, datomic-blue green, diatomic-streptophyta and diatomic-blue green-green or diatomic- green- blue green. The comparative characteristics of received data was carried out with algal flora of Central Asia.
Keywords: flora, reservoirs, taxonomic structure, leading genus, Iran
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