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Etude de la concentration des métaux traces chez <Hexaplex trunculus> (muricidae) le long du littoral Tunisien OceanDocs
Chouba, L.; Tissaoui, Ch.; El Abed, A..
La Tunisie dispose d’une ressource importante en coquillages, plusieurs espèces sont commercialisées et elles ont fait l’objet de programmes de qualité pour la sauvegarde de la santé humaine. Dans ce contexte, nous avons réalisé un suivi saisonnier de la concentration de trois métaux traces toxiques, le cadmium (Cd), le plomb (Pb), et le mercure (Hg) dans la totalité de la masse molle, dans le pied et dans les viscères d’un Mollusque Gastéropode, l’Hexaplex trunculus communément appelé en Tunisie « Bakouma ». Les Hexaplex proviennent des golfes de Tunis et de Gabès et des lagunes de Bizerte et de Tunis durant la période 2003 - 2004. Les échantillons sont analysés par spectrométrie d’absorption atomique (SAA) à four graphite et à correction Zeeman (Varian...
Tipo: Journal Contribution Palavras-chave: Hexaplex trunculus; Pollution monitoring; Trace metals; Marine molluscs.
Ano: 2008 URL: http://hdl.handle.net/1834/3777
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First record of butyltin body burden and imposex status in Hexaplex trunculus (L.) along the Tunisian coast ArchiMer
Lahbib, Youssef; Abidli, Sami; Chiffoleau, Jean-francois; Averty, Bernard; El Menif, Najoua Trigui.
We have assessed for the first time the current status of tributyltin (TBT) contamination in Hexaplex trunculus along Tunisian coastal waters. Two sampling campaigns have been performed in July 2004 and July 2007 at seven different sites. The snails were analyzed for imposex status, i.e. Imposex incidence, Relative Penis Length Index (RPLI) and Vas Deferens Sequence Index (VDSI), followed by the quantification of butyltins in their tissues. Imposex was detected in six populations from the 2004 samples and in five populations from the 2007 samples. The imposex incidence ranged from 0 (no imposex) to 100%, the RPLI from 0 to 56.7 and the VDSI from 0 to 4.4. TBT was also detected in six populations in 2004 and five populations in 2007. The concentrations...
Tipo: Text Palavras-chave: Tunisia; Imposex; Hexaplex trunculus; TBT; Tributyltin.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6499.pdf
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