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Polar Bear Diets and Arctic Marine Food Webs: Insights from Fatty Acid Analysis
(2008-11)
We used quantitative fatty acid signature analysis (QFASA) to examine the diets of 1738
individual polar bears (Ursus maritimus) sampled across the Canadian Arctic over a 30-year span.
Polar bear foraging varied over ...
Fatty acid profiles in the gonads of the sea urchin Strongylocentrotus droebachiensis on natural algal diets
(2008)
We examined fatty acid (FA) compositions of gonads of the green sea urchin Strongylocentrotus
droebachiensis collected from a grazing aggregation (front) at the edge of a kelp bed and from
barrens dominated by coralline ...
Body condition at weaning affects the duration of the postweaning fast in gray seal pups (Halichoerus grypus)
(2008-05)
Gray seals (Halichoerus grypus) undergo a terrestrial postweaning fast (PWF) that depletes
energy reserves acquired during the suckling interval. Plasticity in PWF duration may ensure that
pups of variable body condition ...