PCBs and DDTs in Stenella coeruleoalba dolphins from the French Mediterranean coastal environment (2007-2009): Current state of contamination
2012
Wafo, Emmanuel | Risoul, Véronique | Schembri, Thérèse | Lagadec, Véronique | Dhermain, Frank | Mama, Chacha | Portugal, Henri | Aix Marseille Université (AMU) | Laboratoire de chimie bactérienne (LCB) ; Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS) | Institut National de la Santé et de la Recherche Médicale (INSERM) | Institut Pythéas (OSU PYTHEAS) ; Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Centre National de la Recherche Scientifique (CNRS) | Clinique Vétérianire (Redon) ; Partenaires INRAE | Nutrition, obésité et risque thrombotique (NORT) ; Institut National de la Recherche Agronomique (INRA)-Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM) | French organization "Agence de l'Eau Rhone-Mediterranee et Corse"
International audience
Afficher plus [+] Moins [-]anglais. Organochlorinated compounds including PolyChloroBiphenyles, Dichloro-DiphenylTrichloroethan and metabolites are determinated in Stenella coeruleoalba (n = 37) stranded on the french Mediterranean coasts from 2007 till 2009. Studies are carried out on lung, muscle, kidney, liver, and blubber. The sought-after compounds are all detected to variable levels in each tissue and organ. In general, total PCBs are the most abondant, followed by total DDTs. The concentration (in ng g(-1) of lipid weight) in blubber of S. coeruleoalba, varied from 2,052 to 158,992 for PCBs and from 1,120 to 45,779 for DDTs. The ratios DDE/tDDTs are higher than 80% in almost all samples. The overall results of this work, compared to previous studies concerning the Mediterranean Sea, seems to confirm the tendency to a decrease of the contamination by organics compounds for the cetaceans in the Western Mediterranean Sea. (C) 2012 Elsevier Ltd. All rights reserved.
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