PMID: 9419261Jan 31, 1998Paper

Mercury distribution in sediments and bioaccumulation by fish in two oregon reservoirs: point-source and nonpoint-source impacted systems

Archives of Environmental Contamination and Toxicology
J Park, L R Curtis

Abstract

Mercury pollution was compared in two Oregon reservoirs of similar size and age, located within the same ecoregion. Cottage Grove Reservoir was distinguished by a history of mercury mining and processing within its watershed, while Dorena Reservoir was not. Mercury concentrations in sediments of the reservoirs, tributary streams, and three species of fish were measured. Sediment mercury concentrations in the main tributary of Cottage Grove Reservoir, which drains the subbasin where past mercury mining occurred, was tenfold higher than mercury in sediments from other reservoir tributaries. There were no significant differences between sediment mercury concentrations in the tributaries of Dorena Reservoir. The average mercury concentration in the basin sediment of Cottage Grove Reservoir (0.67 +/- 0.05 microg/g dry wt) was higher than for Dorena Reservoir (0.12 +/- 0.01 microg/g dry wt). At Cottage Grove Reservoir, maximum mercury concentrations were near or exceeded 1 microg/g wet wt for largemouth bass (Micropterus salmonides) and bluegill (Lepomis macrochirus) epaxial muscle. Muscle mercury concentrations in largemouth bass and crappie (Pomoxis nigromaculatus) from Cottage Grove Reservoir were significantly higher than from th...Continue Reading

Citations

Dec 29, 2009·Archives of Environmental Contamination and Toxicology·V PadulaC Jeitner
Dec 7, 2007·Environmental Monitoring and Assessment·Robert A Grove, Charles J Henny
Jun 22, 2012·Environmental Science and Pollution Research International·Tércia G SeixasHelena A Kehrig
Mar 29, 2003·The Science of the Total Environment·J R Ikingura, H Akagi
Aug 14, 2003·Ecotoxicology and Environmental Safety·Joanna BurgerMark Robson
Aug 14, 2003·Ecotoxicology and Environmental Safety·David Peakall, Joanna Burger
Oct 30, 2007·Journal of Toxicology and Environmental Health. Part a·Joanna BurgerConrad Volz
Jun 27, 2009·Journal of Toxicology and Environmental Health. Part a·Joanna BurgerMichael Gochfeld
May 15, 2012·Archives of Environmental Contamination and Toxicology·Larissa SchneiderRonis Da Silveira
Feb 5, 2011·The Science of the Total Environment·Joanna Burger, Michael Gochfeld
Sep 15, 2004·Environmental Research·Joanna Burger, Michael Gochfeld
Jul 17, 2007·Environmental Research·Barbara L Harper, Stuart G Harris
Mar 15, 2013·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·M BonsignoreS Mazzola
Jul 14, 2006·Annali Di Chimica·Nicoletta CalaceMarco Pietroletti

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