 population ecology of polar bears in Western Hudson Bay in relation to climatic change" (PDF). Arctic. 52 (3): 294–306. ISSN 0004-0843. 28 September 2019 දින මුල් පිටපත (PDF) වෙතින් සංරක්ෂණය කරන ලදී. සම්ප්‍රවේශය 11 November 2007.↑ Monnett, Charles; Gleason, Jeffrey S. (July 2006). "Observations of mortality associated with extended open-water swimming by polar bears in the Alaskan Beaufort Sea". Polar Biology. 29 (8): 681–687. doi:10.1007/s00300-005-0105-2.↑ Mitchell Taylor, a former polar bear researcher for the Nunavut government, believes that arctic warming has been caused by natural phenomena and is not a long-term threat to the polar bear. After his retirement, he was not re-appointed to the international Polar Bear Specialist Group (PBSG), giving rise to speculation that he was excluded from the group because of his views on climate change. According to the PBSG chair, appointments to the PBSG are given to scientists who are currently active in polar bear research, and that