Heavy metals in sediment, water and the European glass eel, Anguilla anguilla (Osteichthyes: Anguillidae), from Loukkos River estuary (Morocco, eastern Atlantic)

Comparisons of metal concentrations (Fe, Zn, Cu, Cr, Pb and Cd) were made in sediment and water with those in tissues of glass eel (Anguilla anguilla Linnaeus, 1758) collected in five stations from Loukkos estuary (Morocco, eastern Atlantic). Concentrations of selected metals were measured using an...

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Veröffentlicht in:Cybium 2009, Vol.33 (3), p.219-228
Hauptverfasser: MOHAMED EL MORHIT, FEKHAOUI, Mohamed, ELIE, Pierre, GIRARD, Patrick, YAHYAOUI, Ahmed, EL ABIDI, Abdallah, JBILOU, Mohamed
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container_issue 3
container_start_page 219
container_title Cybium
container_volume 33
creator MOHAMED EL MORHIT
FEKHAOUI, Mohamed
ELIE, Pierre
GIRARD, Patrick
YAHYAOUI, Ahmed
EL ABIDI, Abdallah
JBILOU, Mohamed
description Comparisons of metal concentrations (Fe, Zn, Cu, Cr, Pb and Cd) were made in sediment and water with those in tissues of glass eel (Anguilla anguilla Linnaeus, 1758) collected in five stations from Loukkos estuary (Morocco, eastern Atlantic). Concentrations of selected metals were measured using an atomic absorption spectrophotometer (AAS). Significant correlations (p < 0.05) between Cu-Pb were observed in sediment, Fe-Pb, Cr-Pb and Cr-Fe in water and Zn-Fe in fish. The metal levels found in tissues in the glass eel were below the legal limits for human consumption, but can induce sever dysfunctioning for the eel.Original Abstract: Metaux lourds dans les sediments, l'eau et les civelles d'Anguilla anguilla (Osteichthyes : Anguillidae) de l'estuaire de la riviere Loukkos (Maroc, Atlantique est). Les concentrations de six elements metalliques (Fe, Zn, Cu, Cr, Pb et Cd) ont ete comparees dans le sediment et l'eau avec celles des tissus de civelles (Anguilla anguilla Linnaeus, 1758) preleves au niveau de 5 stations de l'estuaire du bas Loukkos (Maroc). Les differents elements metalliques ont ete analyses par spectrometrie d'absorption atomique (SAA). Une correlation significative (p < 0,05) a ete trouvee entre Cu-Pb dans les sediments, Fe-Pb, Cr-Pb et Cr-Fe dans l'eau et Zn-Fe dans les civelles. Les teneurs de metaux trouves dans les tissus de civelles etaient en dessous des limites legales pour la consommation humaine, mais peuvent induire de serieux dysfonctionnements chez l'anguille.
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subjects Agnatha. Pisces
Anguilla anguilla
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
Environmental Sciences
Freshwater
Fundamental and applied biological sciences. Psychology
Marine and brackish environment
title Heavy metals in sediment, water and the European glass eel, Anguilla anguilla (Osteichthyes: Anguillidae), from Loukkos River estuary (Morocco, eastern Atlantic)
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