Title
Seasonal bioaccumulation of organohalogens in tigerfish, **Hydrocynus vittatus** Castelnau, from Lake Pongolapoort, South Africa Seasonal bioaccumulation of organohalogens in tigerfish, **Hydrocynus vittatus** Castelnau, from Lake Pongolapoort, South Africa
Author
Faculty/Department
Faculty of Sciences. Biology
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Publication type
article
Publication
New York
Subject
Chemistry
Biology
Pharmacology. Therapy
Source (journal)
Bulletin of environmental contamination and toxicology. - New York
Volume/pages
88(2012) :2 , p. 277-282
88(2012) :2 , p. 277-282
ISSN
0007-4861
ISI
000299328300032
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The study determined current exposure of tigerfish in Lake Pongolaqpoort to organohalogens. Levels of DDT, PCB, HCB, HCH, PBDE and CHLs were measured in tigerfish muscle on a seasonal basis. Historical use of DDT was reflected in the bioaccumulation patterns (5,4006,000 ng/g lipid) as well as current use of HCBs (7.715.7 ng/g lipid) in the agricultural areas. External factors, i.e. increased flow did not play a role in organic pollutant exposure. Levels are a function of the lipid content of the muscle tissue, i.e. 3.8% during low and 9% during high flow, implying that organohalogen exposure remains fairly constant throughout the year.
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