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Can Plant or Lichen Natural Abundance 15N Ratios Indicate the Influence of Oil Sands N Emissions on Bogs?
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The 140,329 km 2 Athabasca Oil Sands Administrative Area (OSAA), which contains 8982 km 2 of bogs. Since the late 1970s, N emissions from oil sands development in the OSAA have steadily increased...
Perfluoroalkyl Substances in Circum-Arctic Rangifer: Caribou and Reindeer
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Livers of caribou and reindeer (Rangifer tarandus) from Canada (n = 146), Greenland (n = 30), Svalbard (n = 7), and Sweden (n = 60) were analyzed for concentrations of eight perfluoroalkyl carboxylic...
Untangling Effects of Human Disturbance and Natural Factors on Mortality Risk of Migratory Caribou
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Abstract Human disturbances are rapidly increasing in northern and Arctic regions, raising concerns about the recovery and persistence of declining caribou ( Rangifer tarandus) populations. Yet, the...