The polar bear (Ursus maritimus) depends on sea ice for feeding, breeding, and movement.
Significant reductions in Arctic sea ice are forecast to continue because of climate warming …

Observed and predicted declines in Arctic sea ice have raised concerns about marine
mammals. In May 2008, the US Fish and Wildlife Service listed polar bears (Ursus …

Polar bear (Ursus maritimus) populations are predicted to be negatively affected by climate
warming, but the timeframe and manner in which change to polar bear populations will …

Studies have reported important effects of recent climate change on Antarctic species, but
there has been to our knowledge no attempt to explicitly link those results to forecasted …

To inform the US Fish and Wildlife Service decision, whether or not to list polar bears as
threatened under the Endangered Species Act (ESA), we projected the status of the world's …

These 15th Proceedings provide an overview of the ongoing research and management
activities on polar bears in the circumpolar Arctic. Together with the previous 14 …

US Arctic waters north of the Bering Strait and west of the Canadian border encompass a
vast area that is usually ice covered for much of the year, but is increasingly experiencing …

Life table response experiment (LTRE) analyses decompose treatment effects on a
dependent variable (usually, but not necessarily, population growth rate) into contributions …

To inform the US Fish and Wildlife Service decision, whether or not to list polar bears as
threatened under the Endangered Species Act (ESA), we forecast the status of the world's …

Recently, both global and domestic environmental events have been occurring more
frequently, bringing catastrophic consequences to humans and the environment. These …