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Effect of temperature on accumulation of methylmercuric chloride and p,p'DDT by rainbow trout (Salmo gairdneri)

Journal of the Fisheries Research Board of Canada

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Abstract

Amounts of mercury and DDT residues accumulated from water by yearling rainbow trout (Salmo gairdneri) in the laboratory increased as water temperature increased. Fish exposed to methylmercuric chloride at concentrations of 234-263 parts per trillion for 12 wk at 5, 10, and 15 C accumulated 1.19, 1.71, and 1.96 ppm; fish exposed to p,p'DDT at concentrations of 133-176 parts per trillion accumulated 3.76, 5.93, and 6.82 ppm. Concentrations of mercury accumulated by the fish were significantly different (P < 0.01) at each of the three temperatures, and the concentrations of DDT were significantly different at 5 and 10 and 5 and 15 C. Throughout the period of exposure, the concentration factors (concentration of contaminant in the fish/concentration in water) at each of the three temperatures were far higher for p,p'DDT than for methylmercuric chloride.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effect of temperature on accumulation of methylmercuric chloride and p,p'DDT by rainbow trout (Salmo gairdneri)
Series title:
Journal of the Fisheries Research Board of Canada
Volume
31
Issue:
10
Year Published:
1974
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 1649-1652
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1649
Last page:
1652
Number of Pages:
3