caa a22 4500 467903727 CHVBK 20180406152827.0 cr unu---uuuuu 170328e20060201xx s 000 0 eng 10.1007/s10661-005-9083-7 doi (NATIONALLICENCE)springer-10.1007/s10661-005-9083-7 Temporal and Spatial Trends in Chlorinated Hydrocarbon Concentrations of Mink in Canadian Lakes Erie and St. Clair [Elektronische Daten] [Pamela Martin, Tana Mcdaniel, Bruce Hunter] Mink (Mustela vison) carcasses were collected from local commercial trappers from fall 1998 to spring 2003 from tributaries and marshes within 4.8km 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 40km 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 chlorinated hydrocarbons in mink showed a general decrease over the past two decades. In contrast, PCBs and some organochlorine pesticides tended to increase, significantly so with oxychlordane, in western Lake Erie mink over the same time period. DDE declined at all sites. Currently, mink liver PCB concentrations are within the range associated with reproductive impairment, as determined from captive mink studies, in 11.7% of all animals collected from the Lakes Erie and St. Clair basin overall, but in almost 40% of individuals from western Lake Erie. Springer Science+Business Media, Inc., 2006 areas of concern nationallicence aquatic mammal nationallicence mink nationallicence PCBs nationallicence Martin Pamela Canadian Wildlife Service, Environment Canada, 867 Lakeshore Road, Box 5050, Burlington, Ontario, Canada aut Mcdaniel Tana Canadian Wildlife Service, Environment Canada, 867 Lakeshore Road, Box 5050, Burlington, Ontario, Canada aut Hunter Bruce Department of Path-biology, University of Guelph, Guelph, Ontario, Canada aut Environmental Monitoring and Assessment Kluwer Academic Publishers 113/1-3(2006-02-01), 245-263 0167-6369 113:1-3<245 2006 113 10661 https://doi.org/10.1007/s10661-005-9083-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10661-005-9083-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Martin Pamela Canadian Wildlife Service, Environment Canada, 867 Lakeshore Road, Box 5050, Burlington, Ontario, Canada aut NATIONALLICENCE 700 1- Mcdaniel Tana Canadian Wildlife Service, Environment Canada, 867 Lakeshore Road, Box 5050, Burlington, Ontario, Canada aut NATIONALLICENCE 700 1- Hunter Bruce Department of Path-biology, University of Guelph, Guelph, Ontario, Canada aut NATIONALLICENCE 773 0- Environmental Monitoring and Assessment Kluwer Academic Publishers 113/1-3(2006-02-01), 245-263 0167-6369 113:1-3<245 2006 113 10661 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer