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- Title
Assessment of the Effect of Varying Soil Organic Matter Content on the Bioavailability of Malathion to the Common Nightcrawler, Lumbricus terrestris L.
- Authors
Henson-Ramsey, Heather; Shea, Damian; Levine, Jay F.; Kennedy-Stoskopf, Suzanne; Taylor, Sharon K.; Stoskopf, Michael K.
- Abstract
This study investigated the effect of soil organic matter content on the bioavailability of malathion to the common nightcrawler, Lumbricus terrestris. Earthworms were exposed for 72 h to malathion on two soil types, 8% organic matter and 55% organic matter. Two different measures of bioavailability, malathion body burdens and tissue cholinesterase activities, were then measured in the malathion exposed animals. There were no significant differences in body burden or cholinesterase levels in L. terrestris exposed to malathion on soils with differing organic matter content. This suggests that absorption into organic matter is not a limiting factor of malathion bioavailability to earthworm species.
- Subjects
EARTHWORMS; BIOAVAILABILITY; ORGANIC compounds; ORGANOPHOSPHORUS compounds; CHOLINESTERASE-inhibiting insecticides; ARABLE land
- Publication
Bulletin of Environmental Contamination & Toxicology, 2008, Vol 80, Issue 3, p220
- ISSN
0007-4861
- Publication type
Article
- DOI
10.1007/s00128-007-9349-6