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Paper Details

Impact of environmental pollutants and parasites on the ultrastructure of the Nile bolti, Oreochromis auruis

Eman Hashem Radwan , Amel Abd El Rahman Hassan  , Gehan Hassan Fahmy, Salma Sameh El Shewemi and Sherine Abdel Salam

Journal Title:Journal of Bioscience and Applied Research
Abstract


Environmental variability has great impact on processes of ecological organization. Local variation probably accounts within population variation in death rate. Marine parasites are of great importance. Incorporating environmental variation into theories of life histories for a better understanding of how environmental factors influence physiology, and the resulting histories of individuals. Adult Oreochromis auruis were collected from, El Behiara, Egypt. Concentration of Pb, Cu and Cd have been detected in the biota samples collected from El Behara, Egypt. The plenty of heavy metal concentration in the fish samples was found in the order Cu > Pb > Cd. A significant correlation (p<0.05) were found for each of Cu, Cd and Pb in Oreochromis auruis . The mean level of Pb is highly positively correlated with mean concentration level of the activity of GPx and the mean level of the total protein as r= 0.51 and r= 0.61; while Cu is highly positively correlated with Cd, S‰ and the total protein as r=0.75, r=0.65 and r=0.74; respectively. Cd is only highly significantly correlated with the total protein as r= 0.64.The salinity was highly correlated with both pH and the total protein as r=-0.64 and r=0.6; respectively. The mean value of pH is highly negatively correlated with both GPx and with the total protein as r= – 0.50 and r=-0.52; respectively. The activity of GPx is highly correlated with only the activity of the SOD as r=- 0.701.

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