In both cases we're talking about seasonal sea ice floating in a thin layer on the sea, next to cold and ice - covered land. (planet3.org)
Regardless of high uncertainty associated with such an estimate, it does provide a lower bound of the time range for projections of seasonal sea ice cover.» (theguardian.com)
The eastern Barents Sea (located in Russian territory), as defined by the Polar Bear Specialist Group (see map below), provides ample habitat for polar bears to thrive despite extended fluctuations in seasonal sea ice cover in the western portion. (polarbearscience.com)