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The River Runs Through It: the Athabasca River Delivers Mercury to Aquatic Birds Breeding Far Downstream
This study examined factors contributing to temporal variability (2009-2017) in total mercury (THg) concentrations in aquatic bird eggs collected in the Peace-Athabasca Delta and Lake Athabasca in northern Alberta. Factors examined included annual changes in oil sands production, bird diets, forest fires, and flow of the Athabasca River. Surface mining activities associated with Alberta's Athabasca oil sands are centered north of Fort McMurray, Alberta, adjacent to the northward-flowingdoi:10.1101/440115 fatcat:6irivmvtcneo3fibtns5pdehwm