Over the past decade, the Arctic has warmed by 0.75° C, far outpacing the global average,
while Antarctic temperatures have remained comparatively stable. As Earth approaches 2° …

The polar bear (Ursus maritimus) is among the Arctic species exposed to the highest
concentrations of long-range transported bioaccumulative contaminants, such as …

Polar bears (Ursus maritimus) require sea ice for capturing seals and are expected to
decline range-wide as global warming and sea-ice loss continue,. Estimating when different …

A widespread opinion is that conservation efforts disproportionately benefit charismatic
species. However, this doesn't mean that they are not threatened, and which species are …

Regional declines in polar bear (Ursus maritimus) populations have been attributed to
changing sea ice conditions, but with limited information on the causative mechanisms. By …

Nineteen subpopulations of polar bears (Ursus maritimus) are found throughout the
circumpolar Arctic, and in all regions they depend on sea ice as a platform for traveling …

Abstract Changes in the abundance and distribution of wildlife populations are common
consequences of historic and contemporary climate change. Some Arctic marine mammals …

Loss of Arctic sea ice owing to climate change is the primary threat to polar bears throughout
their range. We evaluated the potential response of polar bears to sea-ice declines by (i) …

In the Arctic Ocean's southern Beaufort Sea (SB), the length of the sea ice melt season (ie,
period between the onset of sea ice break-up in summer and freeze-up in fall) has increased …

Exposure of polar bears (Ursus maritimus) to persistent organic pollutants was discovered in
the 1970s, but recent evidence suggests the presence of unknown toxic chemicals in their …