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Chlorinated pesticides in the bodies of dolphins of the French Mediterranean coastal environment

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Author(s): Emmanuel Wafo | Chacha Mama | Véronique Risoul | Thérèse Schembri | Frank Dhermain | Henri Portugal

Journal: Advances in Environmental Sciences
ISSN 2066-7620

Volume: 4;
Issue: 1;
Start page: 29;
Date: 2012;
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Keywords: Organochlorinated pesticides | organs | striped dolphins | bottlenose dolphins | Mediterranean Sea

ABSTRACT
The concentrations of organochlorinated pesticides including lindane, heptachlor, aldrin, heptachlor-epoxide, endosulfan I, dieldrin,and endrin were determinated in striped dolphins (Stenella coeruleoalba) (n = 26), and 2 bottlenose dolphins (Tursiops truncates) (n = 2),stranded on the French Mediterranean coasts. Studies are carried out on the lung, the muscle, the kidney, the liver, and the blubber. The concentrationsof all the analysed compounds were detected to variable levels in each tissue and organ. In blubber, dieldrin is generally the mostabundant coumpound (215.3 ± 290.3 ng g-1 lw), followed by endrin (207.7 ± 217.5 ng g-1 lw), heptachlor-epoxid (106.6 ± 107.1 ng g-1 lw), endosulfanI (46.6 ± 32.8 ng g-1 lw), lindane (16.6 ± 12.1 ng g-1 lw), aldrin (11.9 ± 8.4 ng g-1 lw) and heptachlor (6.7 ± 4.2 ng g-1 lw). These valuesare comparable to those previously obtained by other authors during the years 1990.
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