Temporal and spatial trends in chlorinated hydrocarbon concentrations of mink in Canadian Lakes Erie and St. Clair

Environmental Monitoring and Assessment
Pamela A MartinBruce Hunter

Abstract

Mink (Mustela vison) carcasses were collected from local commercial trappers from fall 1998 to spring 2003 from tributaries and marshes within 4.8 km from the shores of Lakes Erie and St. Clair, including the Wheatley Harbour and St. Clair River Areas of Concern (AOCs), as well as from inland sites (8 to 40 km from shore). Liver concentrations, on a lipid weight basis, of chlorinated hydrocarbons were measured and compared among sites and to tissue concentrations of mink from two previous collections from similar sites over the past 25 years. Mink from the western Lake Erie sites, which included the Wheatley Harbour AOC, had significantly higher concentrations of sum PCBs and PCB Aroclors than those from the St. Clair corridor or inland sites, with concentrations from the rest of Lake Erie being intermediate. Dieldrin concentrations were also significantly higher in western Lake Erie than many other sites, and those of oxychlordane and mirex also tended to be higher (0.05 < p < 0.1). There were no differences in contaminant concentrations between the St. Clair River AOC and the downstream non-AOC Lake St. Clair site, with the exception of slightly higher levels of octachlorostyrene (OCS). Concentrations of PCBs and other chlori...Continue Reading

References

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Citations

Jan 30, 2008·Archives of Environmental Contamination and Toxicology·Matthew J ZwiernikJohn P Giesy
Dec 7, 2007·Ecotoxicology and Environmental Safety·A L BlankenshipJ P Giesy
Jul 16, 2009·Neurotoxicology and Teratology·Niladri Basu, Jessica Head
Dec 2, 2011·Environmental Research·Jeff BowmanAlbrecht I Schulte-Hostedde
May 24, 2006·Environmental Research·Niladri BasuHing Man Chan
Nov 4, 2008·Environmental Pollution·Shane R de Solla, Pamela A Martin
Aug 22, 2017·Environmental Monitoring and Assessment·Pamela A MartinBruce Hunter

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