Journal
JOURNAL OF THERMAL BIOLOGY
Volume 35, Issue 8, Pages 435-440Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtherbio.2010.09.005
Keywords
Thermoregulation; Infrared thermography (IRT); Steller sea lions; Harbor seals; Eumetopias jubatus; Phoca vitulina; Thermal windows
Funding
- National Science Foundation (NSF) [480431, 0440780]
- Alaska SeaLife Center [R2731]
- University of Alaska Fairbanks Thesis
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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.
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