Book
Effects of physiological state on the bioaccumulation of toxic chemicals in algae and their transfer to zooplankton
01 Jan 1998
Abstract
A diatom, Nitzschia sp., was grown in semicontinuous cultures under limitation by Si or P or growing exponentially in complete medium. The Si-limited cells had a higher lipid content and a higher N content than cells grown under the other two conditions. When exposed to polychlorinated dibenzofurans for 24 hours, the Si-limited cells with their high lipid content accumulated about twice the amount of the furans as the other two conditions. When an herbivore, Daphnia magna, was allowed to feed on these algae, it accumulated 2-fold higher levels of furans over 24 hours while feeding on the Si-limited cells than on the P-limited cells or exponentially growing cells. There was some indication that the animals fed at lower rates on the P-limited cells than on the other cells.
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Details
- Title
- Effects of physiological state on the bioaccumulation of toxic chemicals in algae and their transfer to zooplankton
- Creators
- S Kilham
- Contributors
- A Sladeckova (Editor)W D Williams (Editor)
- Resource Type
- Book
- Language
- English
- Academic Unit
- [Retired Faculty]
- Identifiers
- 3510540484; 9783510540488; 991019170393404721