||Chemical Residues in Dolphins from the U.S. Atlantic Coast Including Atlantic Bottlenose Obtained during the 1987/88 Mass Mortality.
Kuehl, D. W. ;
Haebler, R. ;
Potter, C. ;
||Environmental Research Lab., Narragansett, RI. ;Smithsonian Institution, Washington, DC.
Pesticide residues ;
Water pollution effects(Animals) ;
Chlorine organic compounds ;
Polychlorinated biphenyls ;
Polybrominated byphenyls ;
Diphenyl compounds ;
Atlantic Coast(United States) ;
Tursiops truncatus ;
Bottlenose dophins ;
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Bottlenose dolphins (Tursiops truncatus) collected during the 1987/88 mass mortality event along the Atlantic coast of the United States have been analyzed for anthropogenic chemical contaminants. Average contaminant concentrations in adult males were higher than the average concentrations measured in adult females. Females could be divided into two groups by contaminant concentrations, one with low concentrations, and another with concentrations 4.4 times (PCBs) to 8.9 times (p,p'-DDE) greater. Contaminant concentrations in bottlenose were generally greater than the concentrations measured in either common (Delphinus delphis) or white-sided (Lagernorhynchus acutus) dolphins from the western North Atlantic Ocean. A subset of animals screened for unusual chemical contaminants showed that numerous polybrominated chemicals were present, including polybrominated biphenyls and diphenyl ethers not previously found in marine mammals from U.S. coastal waters.