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Hegazy, W., Hamed, M., Toufeek, M., Mabrouk, B. (2016). Determination of Some Heavy Metals in water of the Southern Region of Lake Manzala, Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 20(4), 69-81. doi: 10.21608/ejabf.2016.11179
Wael H. Hegazy; Mohamed A. Hamed; M. E. S. Toufeek; Bazada K. A. Mabrouk. "Determination of Some Heavy Metals in water of the Southern Region of Lake Manzala, Egypt". Egyptian Journal of Aquatic Biology and Fisheries, 20, 4, 2016, 69-81. doi: 10.21608/ejabf.2016.11179
Hegazy, W., Hamed, M., Toufeek, M., Mabrouk, B. (2016). 'Determination of Some Heavy Metals in water of the Southern Region of Lake Manzala, Egypt', Egyptian Journal of Aquatic Biology and Fisheries, 20(4), pp. 69-81. doi: 10.21608/ejabf.2016.11179
Hegazy, W., Hamed, M., Toufeek, M., Mabrouk, B. Determination of Some Heavy Metals in water of the Southern Region of Lake Manzala, Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 2016; 20(4): 69-81. doi: 10.21608/ejabf.2016.11179

Determination of Some Heavy Metals in water of the Southern Region of Lake Manzala, Egypt

Article 8, Volume 20, Issue 4, October 2016, Page 69-81  XML PDF (1.17 MB)
Document Type: Original Article
DOI: 10.21608/ejabf.2016.11179
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Authors
Wael H. Hegazy; Mohamed A. Hamed; M. E. S. Toufeek; Bazada K. A. Mabrouk
Abstract
Lake Manzala is the largest Nile Delta, coastal ecosystem in Egypt. To examine of the pollution in the lake, the levels of some heavy metals (Fe, Mn, Zn, Cu, Pb, Ni, Cd and Co) were assessed in water samples collected from twelve stations covering the southern region of the lake area, seasonally from the spring 2014 to winter 2015. The lake has undergone substantial recent changes particularly over the last 30 years due to increasing the inflows of drainage water, land reclamation and increasing loads of pollutants.
The obtained results confirmed that, industrial, agricultural and domestic sewage drained into the lake from the main drains has a considerable impact on the water quality characteristics of the lake. The concentration of heavy metals varied in a wide range; increased in the southern region and decreased towards north eastern part of the lake. Heavy metals discharged into the lake causes a momentous environmental problem.
Keywords
Lake Manzala; Heavy metals; pollution; Plankton; fish
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