The Wolf Intelligencer

"When we try to pick out anything by itself, we find it hitched to everything else in the Universe." John Muir

Polar Bear (Ursus maritimus)

Resources

Journal Articles

Interrelated ecological impacts of climate change on polar bears in Baffin Bay. Laidre KL, Atkinson S, Regehr EV, Stern HL, Born E, Wiig O, Lunn N, Dyck M. InOcean Sciences Meeting 2020 2020 Feb

Use of Subsistence-Harvested Whale Carcasses by Polar Bears in the Southern Beaufort Sea. Lillie KM, Gese EM, Atwood TC, Conner MM. ARCTIC. 2019 Dec

Aviation, melting sea-ice and polar bears. Sonne C, Alstrup AK, Dietz R, Ok YS, Ciesielski TM, Jenssen BM. Environment international. 2019 Dec

The ecological and behavioral significance of short-term food caching in polar bears (Ursus maritimus). Stirling I, Laidre KL, Derocher AE, Van Meurs R. Arctic Science. 2019 Nov

Bioaccumulation and biomagnification of perfluoroalkyl acids and precursors in East Greenland polar bears and their ringed seal prey. Boisvert G, Sonne C, Rigét FF, Dietz R, Letcher RJ. Environmental pollution. 2019 Sep

Space use patterns affect stable isotopes of polar bears (Ursus maritimus) in the Beaufort Sea. Boucher NP, Derocher AE, Richardson ES. Polar Biology. 2019 Aug

Clostridium (Clostridioides) difficile shedding by polar bears (Ursus maritimus) in the Canadian Arctic. Weese JS, Salgado-Bierman F, Rupnik M, Smith DA, de Groot PV. Anaerobe. 2019 Jun

Geographical assignment of polar bears using multi-element isoscapes. Koehler G, Kardynal KJ, Hobson KA. Scientific reports. 2019 Jun

Predation of Harp Seals, Pagophilus groenlandicus, by Polar Bears, Ursus maritimus, in Svalbard. Smith TG, Stirling I. ARCTIC. 2019 Jun

Behaviour and characteristics of mating polar bears (Ursus maritimus) in the Beaufort Sea, Canada. Biddlecombe BA, Derocher AE, Richardson ES, Stirling I. Polar Biology. 2019 May

How many cubs can a mum nurse? Maternal age and size influence litter size in polar bears. Folio DM, Aars J, Gimenez O, Derocher AE, Wiig Ø, Cubaynes S. Biology letters. 2019 May

Heightened immune system function in polar bears using terrestrial habitats. Whiteman JP, Harlow HJ, Durner GM, Regehr EV, Amstrup SC, Ben-David M.Physiological and Biochemical Zoology. 2019 Jan

Modeling the demography of species providing extended parental care: A capture-recapture approach with a case study on Polar Bears (Ursus maritimus). Cubaynes S, Aars J, Yoccoz N, Pradel R, Wiig O, Ims R, Gimenez O. bioRxiv. 2019 Jan

Historical and potential future importance of large whales as food for polar bears. Laidre KL, Stirling I, Estes JA, Kochnev A, Roberts J. Frontiers in Ecology and the Environment. 2018 Nov
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Immunologic, reproductive, and carcinogenic risk assessment from POP exposure in East Greenland polar bears (Ursus maritimus) during 1983–2013. Dietz R, Desforges JP, Gustavson K, Rigét FF, Born EW, Letcher RJ, Sonne C. Environment international. 2018 Sep

Heritability of body size in the polar bears of Western Hudson Bay. Malenfant RM, Davis CS, Richardson ES, Lunn NJ, Coltman DW. Molecular ecology resources. 2018 Jul
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Aquatic behaviour of polar bears (Ursus maritimus) in an increasingly ice-free Arctic. Lone K, Kovacs KM, Lydersen C, Fedak M, Andersen M, Lovell P, Aars J. Scientific reports. 2018 Jun
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Genomic evidence of widespread admixture from polar bears into brown bears during the last ice age. Cahill JA, Heintzman PD, Harris K, Teasdale MD, Kapp J, Soares AE, Stirling I, Bradley D, Edwards CJ, Graim K, Kisleika AA. Molecular biology and evolution. 2018 May
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Internet blogs, polar bears, and climate-change denial by proxy. Harvey JA, Van Den Berg D, Ellers J, Kampen R, Crowther TW, Roessingh P, Verheggen B, Nuijten RJ, Post E, Lewandowsky S, Stirling I. BioScience. 2018 Apr
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Sea ice resource selection models for polar bears in the Barents Sea subpopulation. Lone K, Merkel B, Lydersen C, Kovacs KM, Aars J. Ecography. 2018 Apr
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Den phenology and reproductive success of polar bears in a changing climate. Rode KD, Olson J, Eggett D, Douglas DC, Durner GM, Atwood TC, Regehr EV, Wilson RR, Smith T, St. Martin M. Journal of Mammalogy. 2018 Feb

Legacy and new halogenated persistent organic pollutants in polar bears from a contamination hotspot in the Arctic, Hudson Bay Canada. Letcher RJ, Morris AD, Dyck M, Sverko E, Reiner EJ, Blair DA, Chu SG, Shen L. Science of The Total Environment. 2018 Jan
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Identifying shifts in maternity den phenology and habitat characteristics of polar bears (Ursus maritimus) in Baffin Bay and Kane Basin. Escajeda E, Laidre KL, Born EW, Wiig Ø, Atkinson S, Dyck M, Ferguson SH, Lunn NJ. Polar Biology. 2018 Jan
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Research on Polar Bears in Norway. Aars J, Andersen M, Routti H, Wiig Ø. InPolar Bears: Proceedings of the 18th Working Meeting of the IUCN/SSC Polar Bear Specialist Group, 7–11 June 2016, Anchorage, Alaska 2018

Harvesting wildlife affected by climate change: a modelling and management approach for polar bears. Regehr EV, Wilson RR, Rode KD, Runge MC, Stern HL. Journal of Applied Ecology. 2017 Oct
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An Arctic predator–prey system in flux: climate change impacts on coastal space use by polar bears and ringed seals. Hamilton CD, Kovacs KM, Ims RA, Aars J, Lydersen C. Journal of Animal Ecology. 2017 Sep
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Ecological change drives a decline in mercury concentrations in southern Beaufort Sea polar bears. McKinney MA, Atwood TC, Pedro S, Peacock E. Environmental science & technology. 2017 Jul
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Evolutionary adaptation and amyloid formation: does the reduced amyloidogenicity and cytotoxicity of ursine amylin contribute to the metabolic adaption of bears and polar bears?. Akter R, Abedini A, Ridgway Z, Zhang X, Kleinberg J, Schmidt AM, Raleigh DP. Israel journal of chemistry. 2017 Jul
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Habitat degradation affects the summer activity of polar bears. Ware JV, Rode KD, Bromaghin JF, Douglas DC, Wilson RR, Regehr EV, Amstrup SC, Durner GM, Pagano AM, Olson J, Robbins CT. Oecologia. 2017 May

Summer refugia of polar bears (Ursus maritimus) in the southern Beaufort Sea. Pongracz JD, Derocher AE. Polar Biology. 2017 Apr
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The number and distribution of polar bears in the western Barents Sea. Aars J, Marques TA, Lone K, Andersen M, Wiig Ø, Bardalen Fløystad IM, Hagen SB, Buckland ST. Polar Research. 2017 Jan
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Migratory response of polar bears to sea ice loss: to swim or not to swim. Pilfold NW, McCall A, Derocher AE, Lunn NJ, Richardson E. Ecography. 2017 Jan
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Conservation status of polar bears (Ursus maritimus) in relation to projected sea-ice declines. Regehr EV, Laidre KL, Akçakaya HR, Amstrup SC, Atwood TC, Lunn NJ, Obbard M, Stern H, Thiemann GW, Wiig Ø. Biology Letters. 2016 Dec

Per-and polyfluoroalkyl substances (PFASs)–New endocrine disruptors in polar bears (Ursus maritimus)?. Pedersen KE, Letcher RJ, Sonne C, Dietz R, Styrishave B. Environment international. 2016 Nov

Mass loss rates of fasting polar bears. Pilfold NW, Hedman D, Stirling I, Derocher AE, Lunn NJ, Richardson E. Physiological and Biochemical Zoology. 2016 Sep

Demography of an apex predator at the edge of its range: impacts of changing sea ice on polar bears in Hudson Bay. Lunn NJ, Servanty S, Regehr EV, Converse SJ, Richardson E, Stirling I. Ecological Applications. 2016 Jul

Forecasting the relative influence of environmental and anthropogenic stressors on polar bears. Atwood TC, Marcot BG, Douglas DC, Amstrup SC, Rode KD, Durner GM, Bromaghin JF. Ecosphere. 2016 Jun
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Behavior and activity budgets of wild breeding polar bears (Ursus maritimus). Stirling I, Spencer C, Andriashek D. Marine Mammal Science. 2016 Jan
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Home ranges in moving habitats: polar bears and sea ice. Auger‐Méthé M, Lewis MA, Derocher AE. Ecography. 2016 Jan
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Polar bear Ursus maritimus hearing measured with auditory evoked potentials. Nachtigall PE, Supin AY, Amundin M, Röken B, Møller T, Mooney TA, Taylor KA, Yuen M. Journal of Experimental Biology. 2007 Apr
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Wolf (Canis lupus) predation of a polar bear (Ursus maritimus) cub on the sea ice off northwestern Banks Island, Northwest Territories, Canada. Richardson ES, Andriashek D. Arctic. 2006 Sep
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Projected polar bear sea ice habitat in the Canadian Arctic Archipelago. Hamilton SG, de la Guardia LC, Derocher AE, Sahanatien V, Tremblay B, Huard D. PLoS One. 2014;

Aspects of survival in juvenile polar bears. Derocher AE, Stirling I. Canadian Journal of Zoology. 1996 Jul
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