机译:Shifting polar bear Ursus maritimus denning habitat availability in the European Arctic
Norwegian Polar Res Inst, Fram Ctr, POB 6606, N-9296 Tromso, Norway|Akvaplan Niva AS, Fram Ctr, POB 6606, N-9296 Tromso, Norway;
Norwegian Polar Res Inst, Fram Ctr, POB 6606, N-9296 Tromso, Norway;
Climate change; Maternity denning; Phenology; Prediction; Reproduction;