Inability of adult Limnodynastes peronii (Amphibia : Anura) to thermally acclimate locomotor performance

Wilson, R. S. and Franklin, C. E. (2000) Inability of adult Limnodynastes peronii (Amphibia : Anura) to thermally acclimate locomotor performance. Comparative Biochemistry And Physiology A-molecular And Integrative Physiology, 127 1: 21-28. doi:10.1016/S1095-6433(00)00238-5


Author Wilson, R. S.
Franklin, C. E.
Title Inability of adult Limnodynastes peronii (Amphibia : Anura) to thermally acclimate locomotor performance
Journal name Comparative Biochemistry And Physiology A-molecular And Integrative Physiology   Check publisher's open access policy
ISSN 1095-6433
1531-4332
Publication date 2000-09-01
Sub-type Article (original research)
DOI 10.1016/S1095-6433(00)00238-5
Volume 127
Issue 1
Start page 21
End page 28
Total pages 8
Place of publication New York
Publisher Elseiver
Language eng
Abstract Despite several studies on adult amphibians, only larvae of the striped marsh frog (Limnodynastes peronii) have been reported to possess the ability to compensate for the effects of cool temperature on locomotor performance by thermal acclimation. In this study, we investigated whether this thermal acclimatory ability is shared by adult L. peronii. We exposed adult L. peronii to either 18 or 30 degrees C for 8 weeks and tested their swimming and jumping performance at six temperatures between 8 and 35 degrees C. Acute changes in temperature affected both maximum swimming and jumping performance, however there was no difference between the two treatment groups in locomotor performance between 8 and 30 degrees C. Maximum swimming velocity of both groups increased from 0.62 +/- 0.02 at 8 degrees C to 1.02 +/- 0.03 m s(-1) at 30 degrees C, while maximum jump distance increased from similar to 20 to > 60 cm over the same temperature range. Although adult L. peronii acclimated to 18 degrees C failed to produce a locomotor response at 35 degrees C, this most likely reflected a change in thermal tolerance limits with acclimation rather than modifications in the locomotor system. As all adult amphibians studied to date are incapable of thermally acclimating locomotor performance, including adults of L. peronii, this acclimatory capacity appears to be absent from the adult stage of development. (C) 2000 Elsevier Science Inc. All rights reserved.
Keyword Biochemistry & Molecular Biology
Physiology
Zoology
Acclimation
Phenotypic Plasticity
Temperature
Locomotion
Amphibian
Anuran
Ontogeny
Thermal Sensitivity
Escape Performance
Bufo-americanus
Temperature
Dependence
Frog
Environment
Fish
Physiology
Muscle
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Biological Sciences Publications
Ecology Centre Publications
 
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Created: Mon, 13 Aug 2007, 21:58:19 EST