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BODY INSULATION OF SOME ARCTIC AND TROPICAL MAMMALS AND BIRDS

Open access
SCHOLANDER, P. F., WALTERS, VLADIMIR, HOCK, RAYMOND, IRVING, LAURENCE·1950·The Biological Bulletin

Abstract

Insulation measurements on raw skins from 16 arctic and 16 tropical mammals are given. There is, as would be expected, a good correlation between the thickness of the fur and the insulation. The smaller arctic mammals (weasels, lemmings) have much less insulation than the larger and overlap many of the tropical forms. From the size of a fox to the size of a moose there is no correlation between insulation and body size, they all have about the same insulation per surface area. When submerged in ice water, seal blubber retains about the same good insulation, as compared with measurements taken in 0° C. air. In the polar bear, heat transfer through the fur increases 25-50 times when submerged, because of complete wetting of the skin surface and absence of blubber. The beaver is slightly better off when submerged, as it retains an insulating layer of air in the fur next to the skin.

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Metadata

Authors
SCHOLANDER, P. F., WALTERS, V., HOCK, R., & IRVING, L.
Venue
The Biological Bulletin
Published
1950-10
Volume
99
Issue
2
Pages
225-236
ISSN
  • 0006-3185 (ISSN-L)
  • 1939-8697
OpenAlex
W1952779397
Cited by
608
References
0
FWCI
5.08
Type
journal article
Language
en
Open access
green

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.