Sea ice cycle in western Hudson Bay, Canada, from a polar bear perspective Castro de la Guardia, L. ; Myers, PG ; Derocher, AE ; Lunn, NJ ; Terwisscha van Scheltinga, AD Abstract Publication: Marine Ecology Progress Series Pub Date: February 2017 DOI: 10.3354/meps11964 Bibcode: 2017MEPS..564..225C