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Seasonal differences in physical and chemical factors and algal content of the Euphrates River at the city of Nasiriyah | ||
| Journal of College of Education for Pure Science | ||
| Article 1, Volume 6, Issue 1, 2016, Pages 82-92 | ||
| Author | ||
| Suaad Hussein Ali | ||
| Abstract | ||
| studied a number of environmental characteristics of physical and chemical water Euphrates River at the city of Nasiriyah, on a monthly basis for one year for the period from June 2011 to 2012 Machtbert two for completion of the study was the first leg of a kilometer before entering the city of Nasiriyah and the second leg was in the city centernear a bridge victory. Results of the study showed a clear monthly changes in the values of all the factors studied Allahiatih. The recorded lower values for air temperature and water for two in January while the highest score recorded in July. The salinity marked rise during July for two consecutive recorded the highest value of the light transmittance in the first leg, amounting to (140) cm in February while the lowest value for the light transmittance, which amounted to (80) cm in the second leg in October. Recorded the lowest concentrations of oxygen dissolved in July, either values requirement vital for oxygen characterized upside during the summer months. Results also showed that the water base and Tzhada value in the summer and was returning to bicarbonate, and found that the river water in the plants were ten very highest value in the month of February. Recorded concentrations of plant nutrients (nitrate - nitrite - phosphate - silicate) increased significantly in the study locations. Where the minimum values for nitrate in the second location in the summer while the highest values recorded her in the first position in the winter while the highest value of the nitrite reached recorded in the first position in the winter while the highest value was at the second site in the summer. As for the less valuable phosphate (0.7) Micro g / l in the first position while the highest amounted to (8.0) Micro g / l recorded at the second site in the summer. The results also showed a rise in the values of silicates in the summer and Ankhvazaa in the spring and fall, where she was the highest value in the first position (152) Micro g / l. Less value in the second location and hit (42) Micro g / l. Observed that there is an increase in the total number of plant Haúmat in spring and autumn and low numbers in winter and summer in my study with approximately(26) unit rated mostly dating back to aldaitwmat in addition to the presence of algae green and blue –greens. | ||
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