New Records of Ten Species of phytoplankton from the Shatt al Arab River, South of Iraq.

Abstract

Ten species of phytoplankton were recorded from the Shatt Al-Arab River for the first time in Iraq, and they can be added to the Iraqi algae list,during the period January to December,2020. Five Site were selected along the River (Al-Deer, Al-Ashar, Abu-Alkhaseeb, Al- Seba and Al-Fao ). The results showed that five species belong to the Division Chlorophyta represented by; Cosmariumfurcatospermum,Koliellalongiseta,Planctonemalauterborni,Pyrobotryscasinoesis,Scendesmusjavanesis,and one species belong to the Division Cyanophyta,represented by Planktothrixisothrix, while theDivision Dinophytawas represented by three species;Ceratiumfusus,Dinophysisacuminate,Peridiniumgoslaviense, and one species of Euglenophyta, represented byLepocinclisfusiformis var. amphirhynchus. Brief descriptions and measurements are given for each of the recorded species.