Phytoplankton composition of Euphrates River in Al-Hindiya barrage and Kifil City region of Iraq.
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Date
2010-05
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Abstract
Seasonal variations in phytoplankton abundance and their composition were studied at five stations in the middle region (between
Al-Hindiya barrage to Kifil City) of the Euphrates River in Iraq between March, 2004, and February, 2005. A total 151 taxa of phytoplankton
were identified, belonging to Bacillariophyceae (98), Chlorophyceae (33), Cyanophyceae (14), Euglenophyceae (2), Xanthophyceae (2), and
Dinophyceae (2). The total abundance of phytoplankton cells varied from 136 to 5312 cells l-1 with maxima in spring and fall. Bacillariophyceae
were the most abundant group at all stations. Some species of phytoplankton occurred continuously during the study period (Cyclotella
ocellata, C. meneghiana, Cocconeis placentula, Nitzchia spp, Meringosphaera spinosa). The study recorded four species as new records
for Iraqi. The phytoplankton was indicative of oligotrophic conditions although it showed some signs of organic pollution near cities.
Description
Keywords
Algae, Phytoplankton, Seasonal variation, Euphrates river
Citation
Hassan Fikrat M, Taylor William D, Al-Taee Mayson M S, Al-Fatlawi Hassan J J. Phytoplankton composition of Euphrates River in Al-Hindiya barrage and Kifil City region of Iraq. Journal of Environmental Biology. 2010 May; 31(3): 343-350.