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Thermal and metabolic factors affecting PCB uptake by adult brown trout

Journal Article · · Environ. Sci. Technol.; (United States)
DOI:https://doi.org/10.1021/es00108a005· OSTI ID:6183223
; ;
The accumulation of PCBs from natural food and water by adult brown trout, Salmo trutta, were compared under three temperature treatments: (1) a diel temperature cycle simulating that selected by brown trout in thermal effluents; (2) a constant 13/sup 0/C, the optimum constant temperature for brown trout growth; (3) natural fluctuations in ambient inshore temperatures. Direct uptake from water accounted for approximately 10% of the uptake from food and water. Fish exposed to the diel cycle or the arhythmic ambient regime fed and grew as though they were acclimated to the maximum temperatures experienced and accumulated more PCBs than fish exposed to the constant 13/sup 0/C regime. Total food consumption or growth was the best correlate of PCB concentration in whole fish while lipid content of muscle was the best correlate of PCB concentration in muscle. PCB accumulation was affected by temperature magnitude and variation, because these factors controlled food consumption, growth, and lipid content of brown trout.
Research Organization:
Argonne National Lab., IL
OSTI ID:
6183223
Journal Information:
Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 17:2; ISSN ESTHA
Country of Publication:
United States
Language:
English

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Related Subjects

560305* -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL GROWTH
ANIMALS
AQUATIC ORGANISMS
AROMATICS
BEHAVIOR
BIOLOGICAL ACCUMULATION
CHLORINATED AROMATIC HYDROCARBONS
FISHES
FOOD
GROWTH
HALOGENATED AROMATIC HYDROCARBONS
HYDROGEN COMPOUNDS
LIPIDS
MUSCLES
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
TEMPERATURE DEPENDENCE
TROUT
UPTAKE
VERTEBRATES
WATER