Zooplankton Diversity of Sevsak Stream (Elazıg-TURKIYE)

The zooplankton and its seasonal distribution of Sevsak Stream has been investigated in 2021. A total of 31 zooplankton species have been recorded in the stream. Among the zooplankton, 19 species belong to Rotifer,9 species to Cladocera and 3 species to Copepoda. In every season, zooplankton species were recorded in various abundance. Highest number of taxa was recorded in spring. In this season also, an increase occurred in the individual numbers of species. Keratella cochlearis, Polyarthra dolichoptera and Cyclops vicinus were the most recorded species in the stream. As in the other aquatic habitat, rotifera group was determined as the most recorded species in terms of taxa and number of individuals.