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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2018, Vol. 6, Issue 2, Part C

Contamination of the flesh of Scrobularia plana and Solen marginatus (Lamellibranch molluscs), hosting the estuary of Sebou (Morocco), by iron, zinc, copper and lead


Author(s): Dalale Mansouri, Rachida Fegrouche, Latifa EL Harrak, Hafida Allami and Mohamed Fadli

Abstract: The location of estuaries downstream of rivers favors their contamination by many polluting products, especially heavy metals. In the present work, we evaluated Fe, Zn, Cu and Pb concentrations in the sediment and in the flesh of two mollusc species living in the Sebou estuary (Morocco), i.e. Solen marginatus and Scrobularia plana (Lamellibranches molluscs).
The results have shown that the concentrations of the four metal elements were lower in the sediment than in the flesh of both species suggesting a bioaccumulation of some metal elements by these organisms. However, the concentrations of these elements varied between the two species and depended on the season for both materials (sediment and mollusc flesh). For S. plana, flesh Zn concentrations were relatively high and contrasted to those of Cu. As for lead, flesh concentrations were higher than those noted in the sediment.
On the other hand, an important bioaccumulation of Fe was observed in S. marginatus. This species behaved contrastively to S. plana with regards to Zn concentrations and showed a good ability to avoid lead excess in the medium.


Pages: 223-227  |  586 Views  37 Downloads

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How to cite this article:
Dalale Mansouri, Rachida Fegrouche, Latifa EL Harrak, Hafida Allami, Mohamed Fadli. Contamination of the flesh of Scrobularia plana and Solen marginatus (Lamellibranch molluscs), hosting the estuary of Sebou (Morocco), by iron, zinc, copper and lead. Int J Fish Aquat Stud 2018;6(2):223-227.
International Journal of Fisheries and Aquatic Studies