Tracking polar bears in the Beaufort Sea – December 2014 map

polarbearscience

Here is the December 2014 follow-up to my post on the July 2013 track map for female polar bears being followed by satellite in the Beaufort Sea by the US Geological Survey (USGS) – “Ten out of ten polar bears being tracked this summer in the Beaufort Sea are on the ice.”

Tranquilized_pb570_S Beaufort March 2014_USGS

See that post for methods and other background on this topic, and some track maps from 2012 (also available at the USGS website here). The USGS track map for December is copied below.

There are only 10 bears being followed now, which means a few more collars have failed, or the bears have moved out of the area or died.

Original caption: “Movements of 10 satellite-tagged polar bears for the month of December, 2014. Polar bears were tagged in 2014 on the spring-time sea ice of the southern Beaufort Sea. All ten of these bears have satellite collar transmitters. Polar bear satellite telemetry data are shown with AMSR2 remotely-sensed ice coverage for 31 December, 2014.” Click to enlarge, original image here. Original caption: “Movements of 10 satellite-tagged polar bears for the month of December, 2014. Polar bears were tagged in 2014 on the spring-time sea ice of the southern Beaufort Sea. All ten of these bears have…

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