Polar bear population in Yakutia increased over twice as much. The experts believe that the bears may migrate because of the climate changes, informs vladivostoktimes.com. They are coming to Yakutia’s Arctic seashore regularly and it is not an extraordinary event anymore. The experts who took part in the action «Spring Tracks» on counting of the polar bears’ dens in Yakutia registered that the beast population in the area increased over twice as much, RIA Novosti reports with the reference to the Sakha Republic (Yakutia) Ministry of Nature Preservation…