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- 16Biological Sciences, Department of/Journal Articles (Biological Sciences)
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- 2Mathematical and Statistical Sciences, Department of/Research Publications (Mathematical and Statistical Sciences)
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Brown Bear (Ursus arctos) Predation of Broad Whitefish (Coregonus nasus) in the Mackenzie Delta Region, Northwest Territories
Download2009
On 2 October 2007, we observed evidence of at least one brown bear (Ursus arctos) predating and caching broad whitefish (Coregonus nasus) at Pete’s Creek, a tributary of the Mackenzie River, Northwest Territories. While predation on whitefish by brown bears has been reported as traditional...
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2014-01-01
Peacock, Stephanie J., Connors, Brendan M., Krkošek, Martin, Irvine, James R., Lewis, Mark A.
The impact of parasites on hosts is invariably negative when considered in isolation, but may be complex and unexpected in nature. For example, if parasites make hosts less desirable to predators then gains from reduced predation may offset direct costs of being parasitized. We explore these...
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2016-01-12
Young, T. Kue, Kelly, Janet J., Friborg, Jeppe, Soininen, Leena, Wong, Kai O.
"To determine and compare the incidence of cancer among the 8 Arctic States and their northern regions, with special focus on 3 cross-national indigenous groups – Inuit, Athabaskan Indians and Sami. Data were extracted from national and regional statistical agencies and cancer registries, with...
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2010
Longrich, N. R., Currie, P. J., Erickson, G. M., Horner, J. R.
Background: Tyrannosaurus rex was one of the largest terrestrial carnivores of all time, and consequently its ecology and diet have been the focus of much discussion. However, there is little direct evidence of diet or feeding habits in this species. Methodology/Principal Findings: Examination...
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2018-07-08
Young, T. Kue, Fedkina, Natalia, Chatwood, Susan, Bjerregaard, Peter
"The eight Arctic States exhibit substantial health disparities between their remote northernmost regions and the rest of the country. This study reports on the trends and patterns in the supply and distribution of physicians, dentists and nurses in these 8 countries and 25 regions and addresses...
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2011
Hilborn, Ray, Ford, Jennifer S., Peacock, Stephanie, Dill, Lawrence M., Morton, Alexandra, Krkosek, Martin, Connors, Brendan, Lewis, Mark A., Volpe, John P., Mages, Paul, Ford, Helen
For some salmon populations, the individual and population effects of sea lice (Lepeophtheirus salmonis) transmission from sea cage salmon farms is probably mediated by predation, which is a primary natural source of mortality of juvenile salmon. We examined how sea lice infestation affects...
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1998
Boutin, S., Zuleta, G., Krebs, C. J., O'Donoghue, M., Hofer, E. J., Murray, D. L.
Coyotes and lynx are the two most important mammalian predators of snowshoe hares throughout much of the boreal forest. Populations of hares cycle in abundance, with peaks in density occurring every 8-11 yr, and experimental results suggest that predation is a necessary factor causing these...