A limnlogical study in Euphrates  River from Al- Hindiya  Barrage To Al- Kifil city – Iraq –

And Awaz  B . Mohammed, Taee; M.S. Al, Maysoon; M. Hassan, Fikrat

	A limnlogical study in Euphrates River from Al- Hindiya Barrage To Al- Kifil city – Iraq –
basrah journal of science
Article 1, Volume 28, Issue 2, 2010, Pages 273-288 PDF (0 K)
Authors
Taee and Awaz B . Mohammed; Maysoon M.S. Al; Fikrat M. Hassan
Abstract
The present study was conducted on the Euphrates River at its mid region starting from Al-Hindiya to Al-Kifil city in five selected sites along the river during July 2005 to June 2006. The present study was revealed that the river water is slightly alkaline, very hard and well oxygenated. The results were recorded values between ( 1104 – 204.5 -5 mg/l ),( 170.6 – 5885 mg/l ), (68.88– 682 mg/l ),(54.65mg/-l 145. 95 mg/l ), ( 0 . 001 – 0 . 06 mg/l ), (0 . 02 –1.32 mg /l ) and ( 1 . 15 – 332. 6 ) for TSS , TDS , sulphate , chloride , Total phosphorous, Total Nitrogen and TN / TP respectively. The 145 taxa of algae were identified and belong to Bacillariophyceae (94 taxa ), Chlorophyceae ( 25 taxa ), Cyanophyceae (20 taxa ), Chrysophyceae (3 taxa ), Euglenophyceae (2 taxa ) and 1 taxa for Xanthophyceae . The high number was recorded at sites 2 and 4 (109 taxa ) followed by sites 3 and 5 ( 91 taxa ) and 88 taxa at site 1 . The community genera at all sites were Chlamydomonasa, Oscillatoria, Chlorella, Cyclotella, Cocconeis, Englena and Phacus. The qualitative study showed the fluctuation in the number of phytoplankton between (34 92× 103 cell/ L ) at site 4 during Nov – 2005 and (207 × 103 cell / L ) recorded at site 5 during June 2006 .

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