Contamination and ecological risk assessment of heavy metals pollution from the Shalateen coastal sediments, Red Sea, Egypt

Faculty Science Year: 2019
Type of Publication: ZU Hosted Pages:
Authors:
Hamdy Elsayed Noor Ahmed
Journal: Marine Pollution Bulletin elsevier Volume:
Keywords : Contamination , ecological risk assessment , heavy metals    
Abstract:
To assess the contamination and ecological risk assessment of the Shalateen coastal sediments, Red Sea, Egypt,35 samples were collected to analyze Cu, Sr, Zn, Cd, Pb, Fe, Co, Ni, Mn, and total organic matter with an atomic absorption spectrophotometer. Several indices were calculated to estimate the contamination levels. The results indicated the following order of metal concentrations: Fe > Sr > Mn > Zn > Ni > Pb > Cu > Co > Cd, and revealed that the investigated sediments are highly enriched and contaminated with Sr, Cd, Pb and Zn. Statistical analyses subdivided the elements into Fe and Mn from natural sources, Sr, Cd, Pb and Zn from anthropogenic sources, and Ni, Cu and Co from combined natural and anthropogenic sources. The average Pb and Cd concentrations are considerably higher compared to the Caspian Sea, Indian Ocean, northern Red Sea, background shale, and continental crust. Possible sources of pollutants are fishing operations, antifouling paints, runoff, desalination plants, industries and dissolution of carbonate sediment
    
     
 
       

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  • Hamdy Elsayed Noor Ahmed, "Heavy metals distribution in some mangrove sediments of the southern Red Sea coast, Egypt", Intern. Conf. Geol. Arab World (GAW8),, 2006 More
  • Hamdy Elsayed Noor Ahmed, "Recent foraminiferal assemblages from Red Sea coast and Gulf of Aqaba, Egypt and effect of pollution on their morphology Egyptian. Egypt", Egypt. Jour. Paleontol, 2006 More

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