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Tissue distribution of organochlorine residues – PCBs and pesticides – in Antarctic penguins

Published online by Cambridge University Press:  12 May 2004

Odete N.K. Inomata ,
R.C. Montone ,
W.H. Lara ,
R.R. Weber  and
H.H.B. Toledo
Odete N.K. Inomata
Affiliation:
Adolfo Lutz Institute, Pesticide Residues Section. Avenue Dr Arnaldo, 355, 01246 São Paulo, SP, Brazil
R.C. Montone
Affiliation:
University of São Paulo, Oceanography Institute, Chemistry Oceanography Laboratory, P.O.Box 66149, 05389-970 São Paulo, SP, Brazil
W.H. Lara
Affiliation:
University of São Paulo, Oceanography Institute, Chemistry Oceanography Laboratory, P.O.Box 66149, 05389-970 São Paulo, SP, Brazil
R.R. Weber
Affiliation:
University of São Paulo, Oceanography Institute, Chemistry Oceanography Laboratory, P.O.Box 66149, 05389-970 São Paulo, SP, Brazil
H.H.B. Toledo
Affiliation:
Adolfo Lutz Institute, Pesticide Residues Section. Avenue Dr Arnaldo, 355, 01246 São Paulo, SP, Brazil
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Abstract

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Antarctic penguins constitute excellent indicators of organic pollutants (PCBs, DDTs and HCHs), which reach the Antarctic either by atmospheric or maritime transport and are concentrated through the food chains. They are found mainly in lipids, both in adipose and other tissues of the organisms. Tissue samples of four gentoo and one Adélie penguins were collected during the summers of 1991, 1992 and 1993. PCBs and organochlorine pesticides (OCPs) were analysed in the adipose tissue, uropygeal gland, blood, brain, muscle, bone and liver. Organochlorines (OCs) were detected in the majority of the samples. The levels found in extractable fat were higher than in other tissues and the concentrations ranged from 42.3–1159.7 ng g−1 (HCB), from not detected to 39.3 ng g−1 (HCHs), from 30.8–972.3 ng g−1 (DDTs) and from 43.2–1583.6 ng g−1 (PCBs).

Keywords

Antarcticaorganochlorine pesticidesPCBspenguin
Type
Papers—Life Sciences and Oceanography
Information
Antarctic Science , Volume 8 , Issue 3 , September 1996 , pp. 253 - 255
Copyright
© Antarctic Science Ltd 1996