摘要

The article generalizes the data on diversity, ecology, and saprobiology of the flora of Euglenophyta in the wastewater treatment system of the Drochia Sugar Factory. Euglenophyta of the basins of filtration fields are represented by 54 species and 17 infraspecific taxa belonging to 4 families and 8 genera. Six species and three infraspecific taxa are reported for the first time in Moldova: Distigma proteus Ehr., Euglenophyta clara Skuja, E. pascheri Swir., Phacus undulatus (Skv.) Pochm., Trachelomonas bacillifera var. minima Playf, T. conradii Skv., T. hispida var. coronata Lemm., T. hispida var. volicensis Drez., and T. ovata Roll. Thirty-four taxa are first reported in the flora of the wastewater purification system of DSF. The indicator qualities on the saprobity of the euglenophytic algae (53 species) are shown with the prevailing βα, β, and oβ-mesosaprobe organisms, which is characteristic for the water bodies polluted with organic substances.