Polar bear diet composition reveals spatiotemporal distribution of Arctic marine mammals across Nunavut, Canada

• Published in: Ecological Indicators
• Main Authors: Melissa P. Galicia, Gregory W. Thiemann, Markus G. Dyck, Steven H. Ferguson
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier 2021
• Subjects: Polar bears; Arctic; Marine mammals; Diet; Spatial distribution; Quantitative fatty acid signature analysis (QFASA); Ecology; QH540-549.5; Nunavut; Hudson Bay; Baffin Island; Canada; Hudson; Foxe Basin; Southampton Island; Jones Sound; Melville Sound; Viscount Melville Sound; Gulf of Boothia; Arctic marine mammals; Baffin; bearded seal; Beluga; Beluga whale; Beluga*; Davis Strait; Delphinapterus leucas; Erignathus barbatus; harbour seal; Harp Seal; Monodon monoceros; narwhal*; Odobenus rosmarus; Pagophilus groenlandicus; Phoca vitulina; Pusa hispida; ringed seal; Ursus maritimus; walrus*
• Online Access: https://doi.org/10.1016/j.ecolind.2021.108245; https://doaj.org/article/66e810957203458080189e7358a79ba7

Climate warming and associated physical and biological changes will likely force widespread species redistribution, particularly in polar environments. However, tracking such distributional shifts is difficult. The dietary habits of apex predators, like polar bears (Ursus maritimus), may provide ear...