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Spatial And Temporal Distribution Of Essential And Non-Essential Elements Recorded In Western Arctic Bowhead Whales (Balaena Mysticetus), Samantha L. Shore
Spatial And Temporal Distribution Of Essential And Non-Essential Elements Recorded In Western Arctic Bowhead Whales (Balaena Mysticetus), Samantha L. Shore
HCNSO Student Theses and Dissertations
Western Arctic bowhead whales, Balaena mysticetus, migrate annually among the Bering, Chukchi, and Beaufort seas. Foraging along their route, they use keratinous baleen to filter microscopic zooplankton from the water column. A single baleen plate from an adult bowhead whale grows continuously and stores 20+ years of dietary and environmental data. This study utilized induced coupled plasma-mass spectrometry (ICP-MS) to evaluate concentrations of 14 essential and non-essential elements in baleen samples from nine subsistence-harvested whales, yielding continuous data from 1958–1999 (n=148). Stable isotope data previously reported on these samples provided information on location (Beaufort Sea; Bering/Chukchi seas), season (winter; …