Morphological and thermal properties of mammalian insulation: the evolutionary transition to blubber in pinnipeds

Carnivora includes three independent evolutionary transitions to the marine environment: pinnipeds (seals, sea lions, and walruses), sea otters, and polar bears. Among these, only the pinnipeds have retained two forms of insulation, an external fur layer and an internal blubber layer for keeping war...

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Veröffentlicht in:	Biological journal of the Linnean Society 2012-12, Vol.107 (4), p.774-787
Hauptverfasser:	Liwanag, Heather E. M., Berta, Annalisa, Costa, Daniel P., Budge, Suzanne M., Williams, Terrie M.
Format:	Artikel
Sprache:	eng
Schlagworte:	aquatic adaptation blubber thickness Carnivora fatty acid composition lipid content Marine marine mammal morphology Pinnipedia thermal conductivity thermal resistance
Online-Zugang:	Volltext
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