TY - RPRT TI - Estimating the abundance of the Southern Hudson Bay polar bear subpopulation with aerial surveys AU - Martyn E. Obbard AU - Seth P. Stapleton AU - Kevin R. Middel AU - Isabelle Thibault AU - Vincent Brodeur AU - Charles Jutras PY - 2015 DO - 10.1007/s00300-015-1737-5 UR - https://pubs.usgs.gov/publication/70155218 ID - 70155218 ER -