Lethal critical body residues as measures of Cd, Pb, and Zn bioavailability and toxicity in the earthwormEisenia fetida |
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| Authors: | Jason M. Conder and Roman P. Lanno |
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| Affiliation: | (1) University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada;(2) ECT Oekotoxikologie GmbH, Boettgerstr. 2-14, 65439 Floersheim/Main, Germany;(3) Natural Resource Sciences, McGill University, 21111 Lakeshore Road, Ste. Anne de Bellevue, QC, H9X 3V9, Canada;(4) Stantec Consulting Ltd., Suite 1-70 Southgate Drive, Guelph, ON, N1G 4P5, Canada |
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| Abstract: | Background Earthworm heavy metal concentrations (critical body residues, CBRs) may be the most relevant measures of heavy metal bioavailability in soils and may be linkable to toxic effects in order to better assess soil ecotoxicity. However, as earthworms possess physiological mechanisms to secrete and/or sequester absorbed metals as toxicologically inactive forms, total earthworm metal concentrations may not relate well with toxicity. |
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