| Packard, G. C., Packard, M. J., & Gutzke, W. H. N. (1985). Influence of hydration of the environment on eggs and embryos of the terrestrial turtle terrapene ornata. Physiological zoology, 58, 564–575. |
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| Added by: Admin 24 Aug 2008 19:37:48 UTC |
Pop. 2%
|
| Packard, G. C., Tucker, J. K., Nicholson, D., & Packard, M. J. (1997). Cold tolerance in hatching slider turtles (trachemys scripta). Copeia, 1997(2), 339–345. |
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| Added by: Admin 17 Aug 2008 18:54:55 UTC |
Pop. 2.25%
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| Paukstis, G. L., Gutzke, W. H. N., & Packard, G. C. (1984). Effects of substrate water potential and fluctuating temperatures on sex ratio of hatchling painted turtles, chrysemys picta. Canadian Journal of Zoology, 62, 1491–1494. |
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| Added by: Admin 24 Aug 2008 19:37:50 UTC |
Pop. 2.5%
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| Sims, P. A., Packard, G. C., & Chapman, P. L. (2001). The adaptive strategy for overwintering by hatchling snapping turtle (chelydra serpentina). Journal of Herpetology, 35(3), 514–517. |
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| Added by: Admin 14 Aug 2008 22:46:55 UTC |
Pop. 3%
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| Sternadel, L. L., Packard, G. C., & Packard, M. J. (2006). Influence of the nest environment on bone mineral content in hatchling painted turtles (chrysemys picta). Physiological and Biochemical Zoology, 79(6), 1069–1081. |
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| Added by: Admin 14 Aug 2008 20:32:49 UTC |
Pop. 2%
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| Tracy, C. R., Packard, G. C., & Packard, M. J. (1978). Water relations of chelonian eggs. Physiological zoology, 51, 378–387. |
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| Added by: Admin 25 Aug 2008 21:59:15 UTC |
Pop. 1.75%
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| Tucker, J. K., & Packard, G. C. (1998). Overwinter survival by hatchling sliders (trachemys scripta) in west-central illinios. Journal of Herpetology, 32, 431–434. |
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| Added by: Admin 17 Aug 2008 17:24:01 UTC |
Pop. 2%
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