Surface temperature patterns in seals and sea lions: A validation of temporal and spatial consistency
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Publication Details
Output type: Journal article
Author list: Nienaber J, Thomton J, Horning M, Polasek L, Mellish JA
Publisher: Elsevier
Publication year: 2010
Journal: Journal of Thermal Biology (0306-4565)
Volume number: 35
Issue number: 8
Start page: 435
End page: 440
Number of pages: 6
ISSN: 0306-4565
Languages: English-Great Britain (EN-GB)
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Open access status: closed
Abstract
We assessed infrared thermography (IRT) as a tool for evaluating spatial and temporal surface temperature patterns in juvenile female harbor seals (Phoca vitulina, n=6) and adult female Steller sea lions (Eumetopias jubatus, n=2). Following a technical assessment of the influence of environmental parameters on the specific camera to be used, we identified regional and seasonal variability of surface temperatures. Variation was observed in several seasonal transitions (winter, reproductive, molt) in ten monitored body regions. Spatially and temporally consistent thermal patterns in the shoulder, axillae, foreflipper and hindflipper suggest thermal windows in both species. (C) 2010 Elsevier Ltd. All rights reserved.
Keywords
Eumetopias jubatus, Harbor seals, Infrared thermography (IRT), Phoca vitulina, Steller sea lions, Thermal windows, Thermoregulation
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