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Keywords: Rana sylvatica
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Journal Articles
Journal Articles
J Exp Biol (2013) 216 (18): 3461–3473.
Published: 15 September 2013
...Jon P. Costanzo; M. Clara F. do Amaral; Andrew J. Rosendale; Richard E. Lee, Jr SUMMARY We investigated hibernation physiology and freeze tolerance in a population of the wood frog, Rana sylvatica , indigenous to Interior Alaska, USA, near the northernmost limit of the species' range. Winter...
Journal Articles
J Exp Biol (2012) 215 (3): 543–551.
Published: 1 February 2012
...Christopher A. Dieni; Melanie C. Bouffard; Kenneth B. Storey SUMMARY The terrestrial anuran Rana sylvatica tolerates extended periods of whole-body freezing during the winter. Freezing survival is facilitated by extensive glycogen hydrolysis and distribution of high concentrations...
Journal Articles
J Exp Biol (2008) 211 (18): 2969–2975.
Published: 15 September 2008
...Jon P. Costanzo; Richard E. Lee, Jr SUMMARY We tested the hypothesis that urea, an osmolyte accumulated early in hibernation, functions as a cryoprotectant in the freeze-tolerant wood frog, Rana sylvatica . Relative to saline-treated, normouremic (10 μmol ml –1 ) frogs, individuals rendered...
Journal Articles
J Exp Biol (2005) 208 (21): 4079–4089.
Published: 1 November 2005
... frog ( Rana sylvatica ), a northern woodland species that hibernates terrestrially in sites where dehydration and freezing may occur. Wood frogs inhabiting an outdoor enclosure accumulated urea to 65 mmol l -1 in autumn and early winter, when soil moisture was scarce, but subsequently urea levels fell...
Journal Articles
Journal Articles
Journal Articles