Temperature and UV-B-insensitive performance in tadpoles of the ornate burrowing frog: an ephemeral pond specialist

The Journal of Experimental Biology
Pippa KernCraig E Franklin

Abstract

Animals may overcome the challenges of temperature instability through behavioural and physiological mechanisms in response to short- and long-term temperature changes. When ectotherms face the challenge of large diel temperature fluctuations, one strategy may be to reduce the thermal sensitivity of key traits in order to maintain performance across the range of temperatures experienced. Additional stressors may limit the ability of animals to respond to these thermally challenging environments through changes to energy partitioning or interactive effects. Ornate burrowing frog (Platyplectrum ornatum) tadpoles develop in shallow ephemeral pools that experience high diel thermal variability (>20°C) and can be exposed to high levels of UV-B radiation. Here, we investigated how development in fluctuating versus stable temperature conditions in the presence of high or low UV-B radiation influences thermal tolerance and thermal sensitivity of performance traits of P. ornatum tadpoles. Tadpoles developed in either stable (24°C) or fluctuating temperatures (18-32°C) under high or low UV-B conditions. Tadpoles were tested for upper critical thermal limits, thermal dependence of resting metabolic rate and maximum burst swimming performa...Continue Reading

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Citations

Sep 27, 2015·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Pippa KernCraig E Franklin
Nov 18, 2017·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Feyza Icoglu Aksakal, Abdulkadir Ciltas
Dec 28, 2018·Biological Reviews of the Cambridge Philosophical Society·Kimberley J MathotShinichi Nakagawa
Aug 7, 2020·Bulletin of Environmental Contamination and Toxicology·Wenya ZhangHao Sun
Apr 11, 2021·Proceedings of the National Academy of Sciences of the United States of America·Sangeet LamichhaneyTariq Ezaz
Mar 15, 2015·The Journal of Experimental Biology·Frank Seebacher, Veronica S Grigaltchik
Aug 9, 2015·The Journal of Experimental Biology·Pippa KernCraig E Franklin

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