In many hydrobiological studies, a large group of turbellarian worms is not, as a rule, given due attention, although they are of considerable importance in the ecosystem of the water body. The biology of the development of one of the mass species of turbellarians Stenostomum leucops was studied in the pond of the forest park area during the vegetation period (from April to November) in 2019. The dynamics of the abundance and biomass of the species was studied. The maximum values of these parameters were recorded in June-July at the water temperature of 22.0ºC.
Turbellaria, Stenostomum leucops, abundance, biomass, small water body
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