Time course of metal loss in Lumbriculus variegatus following sediment exposure

After exposure for 21 d to sediment spiked with Cd, Pb, Cu, or Zn, oligochaetes (Lumbriculus variegatus) held in clean water depurated metal rapidly over the first few hours but much more slowly from 8 h up to 32 h. Results are consistent with previous work suggesting a 6‐h depuration period as gene...

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Bibliographic Details
Published in:Environmental toxicology and chemistry 2003-04, Vol.22 (4), p.886-889
Main Authors: Dawson, Timothy D., Lott, Kevin G., Leonard, Edward N., Mount, David R.
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Animals
Applied ecology
Bioaccumulation test
Biological and medical sciences
Depuration
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on protozoa and invertebrates
Fresh Water
Fundamental and applied biological sciences. Psychology
Geologic Sediments - chemistry
Metal
Metals, Heavy - metabolism
Oligochaeta - metabolism
Oligochaete
Sediment
Time Factors
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Summary:After exposure for 21 d to sediment spiked with Cd, Pb, Cu, or Zn, oligochaetes (Lumbriculus variegatus) held in clean water depurated metal rapidly over the first few hours but much more slowly from 8 h up to 32 h. Results are consistent with previous work suggesting a 6‐h depuration period as generally appropriate for sediment bioaccumulation studies with L. variegatus.
ISSN:0730-7268
1552-8618
DOI:10.1002/etc.5620220428