Cd,Cr, Cu,Pb, and Zn concentrations in <Emphasis Type="Italic">Ulva lactuca,Codium fragile,Jania rubens,</Emphasis> and <Emphasis Type="Italic">Dictyota dichotoma</Emphasis> from Rabta Bay,Jijel (Algeria) |
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Authors: | Essaid Laib Essaid Leghouchi |
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Institution: | Laboratory of Pharmacology and Phytochemistry, University of Jijel, BP 98 Ouled Aissa, Jijel 18000, Algeria. |
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Abstract: | Concentrations of Cd, Cr, Cu, Pb, and Zn were determined in algae samples collected from the Rabta Bay in the Mediterranean
Sea, Algeria. The levels of heavy metals in the macroalgae, Ulva lactuca, Codium fragile (green algae), Jania rubens (red algae), and Dictyota dichotoma (brown algae) recorded high concentrations except for Cd. Moreover, Zn was the most predominant metal in the seaweeds. The
obtained HM contents indicate that different species demonstrate various degree of metal accumulation and the obtained higher
values in site 1 of the studied zone can be attributed to the discharge influence of two rivers (Mouttas and Larayeche Rivers),
entering the Mediterranean Sea and local pollutant emissions. The abundance of heavy metal concentrations in the macroalgae
samples was found in the order below: Zn > Cu > Pb > Cr > Cd from the studied zone. The highest amounts of heavy metals in
algae samples were Cd, Cu, and Pb in brown algae, and Cr and Zn in green and brown algae from the studied zone (Rabta Bay). |
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