Title

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

Document Type

Article

Publication Date

1-1-2003

Abstract

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.

Publication Title

Journal of Thermal Biology

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