Effect of exposure method on benthic organism responses
Abstract
Organism response to non-polar organics and inorganic contaminants is affected by the route and method of exposure. Little data exists, however, on the effect of different exposures on freshwater benthic and epibenthic organisms. The amphipod, Hyalella azteca and the oligochaete, Lumbriculus variegatus were exposed to contaminated sediments and overlying waters in the laboratory using traditional static-renewal exposure systems as well as in situ using different exposure chamber designs. Laboratory and field exposures were compared, focusing on survival and tissue residues of polycyclic aromatic hydrocarbons (PAHs). Responses of test organisms were compared also to indigenous species. Results showed that laboratory and in situ exposures differ frequently, but optimal exposure systems are possible which reduce uncertainty in risk or hazard assessments that predict toxicity or bioaccumulation.
- Authors:
-
- Wright State Univ., Dayton, OH (United States). Biological Sciences Dept.
- Publication Date:
- OSTI Identifier:
- 458319
- Report Number(s):
- CONF-961149-
Journal ID: ISSN 1087-8939; TRN: IM9717%%105
- Resource Type:
- Conference
- Resource Relation:
- Conference: 17. annual meeting of the Society of Environmental Toxicology and Chemistry: partnerships for the environment - science, education, and policy, Washington, DC (United States), 17-21 Nov 1996; Other Information: PBD: 1995; Related Information: Is Part Of SETAC 17. annual meeting -- Abstract book. Partnerships for the environment: Science, education, and policy; PB: 378 p.
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES; 56 BIOLOGY AND MEDICINE, APPLIED STUDIES; WATER POLLUTION; BIOLOGICAL INDICATORS; POLYCYCLIC AROMATIC HYDROCARBONS; BENTHOS; BIOLOGICAL ACCUMULATION; BIOASSAY; ANNELIDS; CRUSTACEANS; BENCH-SCALE EXPERIMENTS; FIELD TESTS; ENVIRONMENTAL EXPOSURE PATHWAY
Citation Formats
Rowland, C, and Burton, Jr, G A. Effect of exposure method on benthic organism responses. United States: N. p., 1995.
Web.
Rowland, C, & Burton, Jr, G A. Effect of exposure method on benthic organism responses. United States.
Rowland, C, and Burton, Jr, G A. 1995.
"Effect of exposure method on benthic organism responses". United States.
@article{osti_458319,
title = {Effect of exposure method on benthic organism responses},
author = {Rowland, C and Burton, Jr, G A},
abstractNote = {Organism response to non-polar organics and inorganic contaminants is affected by the route and method of exposure. Little data exists, however, on the effect of different exposures on freshwater benthic and epibenthic organisms. The amphipod, Hyalella azteca and the oligochaete, Lumbriculus variegatus were exposed to contaminated sediments and overlying waters in the laboratory using traditional static-renewal exposure systems as well as in situ using different exposure chamber designs. Laboratory and field exposures were compared, focusing on survival and tissue residues of polycyclic aromatic hydrocarbons (PAHs). Responses of test organisms were compared also to indigenous species. Results showed that laboratory and in situ exposures differ frequently, but optimal exposure systems are possible which reduce uncertainty in risk or hazard assessments that predict toxicity or bioaccumulation.},
doi = {},
url = {https://www.osti.gov/biblio/458319},
journal = {},
issn = {1087-8939},
number = ,
volume = ,
place = {United States},
year = {Sun Dec 31 00:00:00 EST 1995},
month = {Sun Dec 31 00:00:00 EST 1995}
}