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Laboratory study on the effects of nutrient enrichment on a phytoplankton population in Sawa Lake, Iraq | ||
| Baghdad Science Journal | ||
| Article 1, Volume 5, Issue 2, 2008, Pages 230-236 | ||
| Authors | ||
| Foad M. Alkam; Hussein A. Al-Saadi; Fikrat M. Hassan | ||
| Abstract | ||
| Nutrient enrichment of Sawa lake water was made using different nitrogen and phosphorus concentrations during autumn and spring at three stations. Different concentrations of nitrogen, phosphorus and N: P ratios were used to test variations in phytoplankton population dynamics. Nitrogen at a concentration of 25 µmole.l-1 and N: P ratio of 10:1 gave highest phytoplankton cell number at all stations and seasons. A total of 64 algal taxa dominated by Bacillariophyceae followed by Cyanophyceae and Chlorophyceae were identified. The values of Shannon index of diversity were more than one in the studied stations. | ||
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