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Thermoregulation in otariids: a modelling approach.
For otariids, metabolic rate determinations have only been performed for a few species, including California sea lions. Little is known about energy requirements under free ranging conditions for many of the eared seals. WFSC M.Sc. student Emma Roscow is constructing a predictive, energetics-based model, incorporating environmental factors commonly experienced by otariid in the wild. Using this model, it will be possible to predict under what physical or environmental conditions the animals may require additional energy for thermoregulation.
Such energetics-based models provide researchers with the ability to identify key factors that will predict an energetic imbalance in foraging marine mammals and may explain why for certain species such as the Steller sea lion, hypothesize nutritional stress may occur, when energetic demands are not met by the energy input.
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