Effects of acute temperature and thermal acclimation on aquatic and terrestrial locomotor performance of the three-lined salamander, Eurycea guttolineata

Previous studies indicate that amphibians lack the ability to acclimate locomotor performance to different temperatures after metamorphosis. I evaluated thermal effects on aquatic and terrestrial locomotion in adults of the semi-aquatic salamander Eurycea guttolineata. Burst speed exhibited thermal...

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Bibliographic Details
Published in:Journal of thermal biology 2003-04, Vol.28 (3), p.251-259
Main Author: Marvin, Glenn A
Format: Article
Language:English
Subjects:
Aquatic
Burst speed
Locomotor performance
Repeatability
Salamander
Temperature
Terrestrial
Thermal acclimation
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Summary:Previous studies indicate that amphibians lack the ability to acclimate locomotor performance to different temperatures after metamorphosis. I evaluated thermal effects on aquatic and terrestrial locomotion in adults of the semi-aquatic salamander Eurycea guttolineata. Burst speed exhibited thermal dependence which paralleled that for tail-beat or stride frequency. Aquatic speed was significantly greater at 8°C acclimation than at 18°C acclimation, whereas terrestrial speed was not affected by thermal acclimation. Burst speed exhibited significant short-term repeatability. My data indicate that this species makes compensatory adjustments in locomotor performance in cool aquatic habitats, which may be related to seasonal reproductive activities.
ISSN:0306-4565
1879-0992
DOI:10.1016/S0306-4565(02)00084-0