Exploring Drivers of Historic Mercury Trends in Beluga Whales Using an Ecosystem Modeling Approach.

121 observed a decreasing trend in southern Beaufort Sea polar bear hair THg from 2004 to 2011, which overlaps with the period of decrease for beluga, attributed largely to changes in foraging ecology.

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iverging trends in beluga MeHg. For instance, Figure 3 illustrates that for freshwater discharge, the production pathway led to increasing beluga MeHg concentrations until 1985 before decreasing, while the MeHg input pathway led to the opposite pattern: decreasing beluga MeHg until 1988 followed by an increasing trend.

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