Individual-based model for dieldrin contamination in lake trout

An individual-based model previously developed to describe contamination of lake trout (Salvelinus namaycush) from Michigan lake by polychlorinated biphenyls (PCB), which consisted of many different congeners, was tested for its ability to describe contamination of the fish with dieldrin, a single c...

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Bibliographic Details
Published in:Archives of environmental contamination and toxicology 1993-01, Vol.24 (1), p.78-82
Main Authors: Madenjian, C.P. (U.S. Fish and Wildlife Service, Sandusky, OH), Carpenter, S.R, Noguchi, G.E
Format: Article
Language:English
Subjects:
Agnatha. Pisces
ALIMENTOS
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
CONTAMINACION
CONTAMINATION
DIELDRIN
DIELDRINE
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
FOODS
Fundamental and applied biological sciences. Psychology
INSECTICIDAS
INSECTICIDE
INSECTICIDES
MICHIGAN
MODELE
MODELOS
PRODUIT ALIMENTAIRE
RESIDU
RESIDUES
RESIDUOS
SALVELINUS
SALVELINUS NAMAYCUSH
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Summary:An individual-based model previously developed to describe contamination of lake trout (Salvelinus namaycush) from Michigan lake by polychlorinated biphenyls (PCB), which consisted of many different congeners, was tested for its ability to describe contamination of the fish with dieldrin, a single chemical compound. The model accurately predicted variations in dieldrin concentrations within the trout population. The degree of variability in the dieldrin concentrations of prey fish was similar to that used to model total PCB. The results of the study supported the view that variations in prey contaminant concentrations had to be imposed in models to account for all the variability in dieldrin and PCB concentrations in the trout. Any effect of heterogeneity in PCB congener distribution on variation in trout PCB concentration were weak. The possibility of applying an individual-based model to other chlorinated organic compounds is indicated.
ISSN:0090-4341
1432-0703
DOI:10.1007/BF01061092