Figure 1 from Matishov et al. 2014, showing the study region and tracks of ice-breakers used to count bears. Original caption: “Position of ice-breaker routes providing the count of polar bears in the Kara and Barents seas from 1997 until 2013 for 32 counted routes. The dashed line indicates the approximate boundaries of habitat of the subpopulation of polar bears of the Kara Sea [4].”