Ecological and Taxonono study on phytoplankton in AL-Shafya river/Iraq

Abstract

This study included three sites from AL- Shafya River which is divaricate from the Diwaniya River in the Sunni area arrival to the Shafya Township, Water and phytoplankton samples were collected monthly for three sites from December 2021 to May 2022, number of physical, chemical and biological tests, air temperature, water temperature, pH,electrical conductivity, salinity, total suspended solid materials, dissolved oxygen, biological oxygen demand, total alkalinity and total hardness, calcium ion, magnesium, sulfate, phosphate, nitrite, nitrate and silica, study of the phytoplankton community in three locations ,the study showed the diagnosis of 147 Taxono of phytoplankton of these species, 26 species belonging Cyanophyceae, 32 species to Chlorophceae , 6 species to Euglenophyceae, one species each to Dinophyceae and Chrysophyceae , 81 species to Bacillariophyceae , where they varied to 11 species to pannales and 70 species to feathery diatoms.