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Limits of supercooling and cold-tolerance in hatchling painted turtles (Chrysemys picta).

Author(s) : PACKARD G. C., PACKARD M. J.

Type of article: Article

Summary

Hatchling painted turtles from a population in northcentral Nebraska (USA) reach their limit of supercooling at temperatures near -17 deg C. However, animals usually die without freezing at temperatures between -10 and -15 deg C, so turtles already are dead by the time they reach their limit of supercooling. Although hatchlings may exploit a capacity for supercooling to overwinter successfully ion in the field, remaining unfrozen does not by itself assure that they will survive until spring.

Details

  • Original title: Limits of supercooling and cold-tolerance in hatchling painted turtles (Chrysemys picta).
  • Record ID : 1999-3875
  • Languages: English
  • Source: Cryo-Letters - vol. 20 - n. 1
  • Publication date: 1999/01
  • Document available for consultation in the library of the IIR headquarters only.

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