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Gregory Thiemann

Knowledge co-production to address human-polar bear conflict in Southern Hudson Bay and James Bay

Knowledge co-production to address human-polar bear conflict in Southern Hudson Bay and James Bay

Polar bears in Ontario are at the southern limit of their species’ range. As part of the Southern Hudson Bay subpopulation, these roughly 800 bears migrate onto land when the sea ice of Hudson Bay melts completely each summer. On shore, polar bears primarily fast and rely on stored fat for energy. With increasing global

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Polar bear diet may indicate prey distribution changes due to climate shifts

Polar bear diet may indicate prey distribution changes due to climate shifts

TORONTO, Oct. 27, 2021 – How are warming temperatures and a loss of sea ice affecting polar bears and their marine mammal prey in the Arctic? A York University-led research team used a novel approach to the question by monitoring what polar bears eat across Nunavut and where they are catching their prey. They found that

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Foraging ecology of polar bears

Foraging ecology of polar bears

February 27 is International Polar Bear Day and in celebration of the event, we feature Gregory Thiemann whose research focuses on the ecology of polar bears and other Arctic carnivores, as well as the effects of climate change on food web dynamics. With a Killam/NSERC postdoctoral fellowship and a PhD in Biology from Dalhousie University,

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