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ICES Journal of Marine Science: Journal du Conseil Advance Access originally published online on January 4, 2008
ICES Journal of Marine Science: Journal du Conseil 2008 65(2):132-139; doi:10.1093/icesjms/fsm183
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© 2008 International Council for the Exploration of the Sea. Published by Oxford Journals. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Assessment of seawater pollution by heavy metals in the neighbourhood of Algiers: use of the sea urchin, Paracentrotus lividus, as a bioindicator

Dina Soualili1, Philippe Dubois2, Pol Gosselin3, Philippe Pernet2 and Monique Guillou4,

1 Faculté des Sciences de la Nature, Laboratoire de Biologie et d'Ecologie Marine, Université des Sciences et Technologie Houari Boumedienne, Bab-Ezzouar, Algiers, Algeria
2 Laboratoire de Biologie Marine, Université Libre de Bruxelles, CP 160/15, Av. F.D. Roosevelt, B-1050 Bruxelles, Belgium
3 Laboratoire de Biologie Marine, Université de Mons-Hainaut, Av. du Champs de Mars, Pentagone, 7000 Mons, Belgium
4 Laboratoire des Sciences de l'Environnement Marin, UMR CNRS 6539, Institut Universitaire Européen de la Mer, Place N. Copernic, 29280 Plouzané, France

Correspondence to M. Guillou: tel: +33 298 498634; fax +33 298 498645; e-mail: mguillou{at}univ-brest.fr

Soualili, D., Dubois, P., Gosselin, P., Pernet, P., and Guillou, M. 2008 Assessment of seawater pollution by heavy metals in the neighbourhood of Algiers: use of the sea urchin, Paracentrotus lividus, as a bioindicator. – ICES Journal of Marine Science, 65: 132–139.

The objective of the study was to assess the levels of contamination by heavy metals near the Algiers metropolis, using a combination of chemical and toxicological data gained from analyses of sediments and biological parameters characteristic of the sea urchin, Paracentrotus lividus. Zinc, lead, cadmium, copper, and iron concentrations were determined in sediments and in sea urchin gonads. Sediment toxicity was assessed by bioassay based on the larval development of sea urchins. The most numerous larval abnormalities were found in a site near Algiers identified as highly polluted by lead. The levels of the other metals across the study area fell within the background concentrations reported in the literature for the Mediterranean Sea, with the exception of zinc, which showed high values in female gonads.

Keywords: Algeria, bioassays, gonads, heavy metals, Paracentrotus lividus, sediment

Received 27 August 2007; accepted 14 November 2007; advance access publication 4 January 2008.


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