Monitoring mercury in fish in a stream system receiving multiple industrial inputs

Sunfish and a minnow species were used as indicators of anthropogenic mercury contamination in an east Tennessee stream system receiving multiple point and non-point discharges. The monitoring of bluegill (Lepomis macrochirus) and redbreast sunfish (Lepomis auritus) identified bioavailable mercury n...

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Bibliographic Details
Published in:Environmental monitoring and assessment 1996-03, Vol.40 (1), p.91-105
Main Authors: Peterson, M.J. (Oak Ridge National Lab., Oak Ridge, TN (USA). Environmental Sciences Div.), Southworth, G.R, Crumby, W.D
Format: Article
Language:English
Subjects:
Agnatha. Pisces
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
BONY FISHES
CONTAMINANTES INDUSTRIALES
CONTROLE CONTINU
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
Freshwater
Fundamental and applied biological sciences. Psychology
INDUSTRIAL POLLUTANTS
Lepomis
MERCURE
MERCURIO
MERCURY
MONITORING
PECES OSEOS
POISSON OSSEUX
POLLUANT INDUSTRIEL
Rhinichthys atratulus
VIGILANCIA
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Summary:Sunfish and a minnow species were used as indicators of anthropogenic mercury contamination in an east Tennessee stream system receiving multiple point and non-point discharges. The monitoring of bluegill (Lepomis macrochirus) and redbreast sunfish (Lepomis auritus) identified bioavailable mercury near three geographically separate industrial facilities, and was able to detect decreases in contamination with distance away from these facilities. In general, total mercury concentrations in the tissue of sunfish in this study were low in comparison to the most commonly cited human health threshold limits, although concentrations at some sites exceeded 1 μg/g. Caged blacknose dace (Rhinichthys atratulus) were monitored in conjunction with resident fish as an indicator of more discrete sources in selected headwater streams where fish movement was deemed a potential factor affecting mercury body burdens. Mercury concentrations in muscle tissue of caged dace after 12 weeks exposure were generally low (
ISSN:0167-6369
1573-2959
DOI:10.1007/BF00395169