How Important Is Land-Based Foraging To Polar Bears (ursus Maritimus) During The Ice-Free Season In Western Hudson Bay? An Examination Of Dietary Shifts, Compositional Patterns, Behavioral Observations And Energetic Contributions

• Main Author: Gormezano, Linda J.
• Format: Doctoral or Postdoctoral Thesis
• Language: English
• Published: CUNY Academic Works 2014
• Subjects: climate change; diet; feces; foraging; polar bears; Ursus maritimus; Behavior and Ethology; Biology; Ecology and Evolutionary Biology; Arctic; Hudson; Hudson Bay; Stirling; caribou; Climate change; Phoca hispida; polar bear; Rangifer tarandus; Sea ice
• Online Access: https://academicworks.cuny.edu/gc_etds/43; https://academicworks.cuny.edu/cgi/viewcontent.cgi?article=1042&context=gc_etds

Trophic mismatches between predators and their prey are increasing as climate change causes decoupling of phenological relationships. Predators linked to the life histories of a particular prey will have a more difficult time persisting through environmental change unless they can alter their behavi...