Accumulation of dieldrin in an alga (Scenedesmus obliquus), Daphnia magna, and the guppy (Poecilia reticulata)
Journal of the Fisheries Research Board of Canada
Out-of-print
By: Robert E. Reinert
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Abstract
Scenedesmus obliquus, Daphnia magna, and Poecilia reticulata accumulated dieldrin directly from water; average concentration factors (concentration in organism, dry weight, divided by concentration in water) were 1282 for the alga, 13,954 for D. magna, and 49,307 (estimated) for the guppy. The amount accumulated by each species at equilibrium (after about 1.5, 3-4, and 18 days, respectively) was directly proportional to the concentration of dieldrin in the water. Daphnia magna and guppies accumulated more dieldrin from water than from food that had been exposed to similar concentrations in water. When guppies were fed equal daily rations of D. magna containing different concentrations of insecticide, the amounts of dieldrin accumulated by the fish were directly proportional to the concentration in D. magna; when two lots of guppies were fed different quantities of D. magna (10 and 20 organisms per day) containing identical concentrations of dieldrin, however, the amounts accumulated did not differ substantially.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Accumulation of dieldrin in an alga (Scenedesmus obliquus), Daphnia magna, and the guppy (Poecilia reticulata) |
| Series title | Journal of the Fisheries Research Board of Canada |
| DOI | 10.1139/f72-219 |
| Volume | 29 |
| Issue | 10 |
| Year Published | 1972 |
| Language | English |
| Contributing office(s) | Great Lakes Science Center |
| Description | p. 1413-1418 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of the Fisheries Research Board of Canada |
| First page | 1413 |
| Last page | 1418 |
| Google Analytic Metrics | Metrics page |