Oceanographia Journal
Volume 3, Numéro 1, Pages 106-119
2026-11-01
Trace Metals ın The Medıterranean Mussel (mytilus Galloprovincialis Lamarck, 1819) From Central Algerian Coast (southwestern Mediterranean Sea)
Authors : Righi Houda . Inal Ahmed . Abderrahmani Khaled .
Abstract
Mytilus galloprovincialis is a commonly used bioindicator species for assessing environmental pollution. The aim of this study was to investigate the concentrations of trace metals, including Cadmium (Cd), Lead (Pb), Copper (Cu) and Zinc (Zn), in the soft tissues of Mytilus galloprovincialis obtained from six areas along the central Algerian coast. Mussel samples were collected in these coastal areas at 0-5 m (surface) between March and April 2020. The study revealed that the highest concentration of zinc with a value of 262.58 mg/kg, followed by Cu (54.69 mg/kg), Pb (7.48 mg/kg), and Cd (5.41 mg/kg). The metal concentrations were ranked as Zn > Cu > Pb > Cd. The toxicological risk assessment parameters linked to the consumption of these mussels shows that the values revealed for the daily exposure dose (DJE) are very low for all the metals analyzed. However, all hazard quotient (DQ) values calculated for the metals analyzed are less than 1 for children and adults. Nevertheless, exposure depends on the dietary habits of the population and continued exposure to these elements can lead to undesirable effects.
Keywords
trace metals ; Algerian central coast ; Mytilus galloprovincialis ; risk assessment ; bioaccumulation
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