Evaluation of toxicity in tributaries of the Mersey estuary using the isopod Asellus aquaticus (L.)

Increasing numbers of industrial, agricultural and natural chemicals are present in sewage effluent and are known to elicit toxic effects in laboratory exposures, but little is known of their combined sub-lethal effect in the field. In this study, a combination of esterase activity and ventilation r...

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Bibliographic Details
Published in:Marine environmental research 2004-08, Vol.58 (2), p.327-331
Main Authors: O'Neill, A.J., Galloway, T.S., Browne, M.A., Dissanayake, A., Depledge, M.H.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Asellus aquaticus
Biological and medical sciences
Biomarker
Biomarkers
Carboxylesterase - metabolism
Carboxylesterase cholinesterase
Cholinesterases - metabolism
England
Environmental Monitoring
Fresh Water - analysis
Freshwater
Fundamental and applied biological sciences. Psychology
Hydrogen-Ion Concentration
Isopoda
Isopoda - drug effects
Isopoda - enzymology
Isopoda - physiology
Motor Activity - drug effects
Motor Activity - physiology
Oxygen - analysis
Sea water ecosystems
Sewage - analysis
Sewage effluent
Synecology
Temperature
Ventilation rates
Water Pollutants, Chemical - analysis
Water Pollutants, Chemical - toxicity
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Summary:Increasing numbers of industrial, agricultural and natural chemicals are present in sewage effluent and are known to elicit toxic effects in laboratory exposures, but little is known of their combined sub-lethal effect in the field. In this study, a combination of esterase activity and ventilation rate assays was performed to determine the neurological and physiological function of the freshwater crustacean Asellus aquaticus (L.) at sites above and below a sewage treatment works (STW). Cholinesterase and carboxylesterase activities were significantly inhibited ( n=8, P
ISSN:0141-1136
1879-0291
DOI:10.1016/j.marenvres.2004.03.076