Aşağı Fırat Nehri’nin Zooplankton Faunasının Tespiti

Abstract
Zooplankton samples were taken for determination of the zooplankton fauna of the lower Euphrates basin (between Birecik Dam Lake and Karkamış Dam Lake). In the study, 10 families from Rotifera, 6 families from Cladocera and 4 families from Copepoda, totally 20 family were found. A total of 41 zooplankton species were identified. From Rotifera, Lepadellidae was the most species rich family with 4 species, from Cladocera, Daphnidae was the most species rich family with 4 species and from Copepoda, Cyclopoidae was the most species rich family with 7 species.