| Packard, G. C., & Packard, M. J. (1989). Control of metabolism and growth in embryonic turtles: a test of the urea hypothesis. Journal of Experimental Biology, 147, 203–216. |
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| Added by: Admin 24 Aug 2008 17:39:57 UTC |
Pop. 2%
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| Packard, G. C., & Packard, M. J. (2002). Wetness of the nest environment influences cardiac development in pre- and post-natal snapping turtles (chelydra serpentina). Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 132(4), 905–912. |
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| Added by: Admin 14 Aug 2008 20:36:26 UTC |
Pop. 2%
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| Packard, G. C., Packard, M. J., & Boardman, T. J. (1980). Water relations of pliable-shelled eggs of common snapping turtles (chelydra serpentina). Canadian Journal of Zoology, 58, 1404–1411. |
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| Added by: Admin 24 Aug 2008 19:37:46 UTC |
Pop. 2.25%
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| Packard, G. C., Packard, M. J., & Lang, J. W. (2000). Why hatchling blanding's turtles don't overwinter inside their nest. Herpetologica, 56(3), 367–374. |
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| Added by: Admin 14 Aug 2008 22:46:52 UTC |
Pop. 2.25%
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| Packard, G. C., Packard, M. J., & Boardman, T. J. (1982). An experimental analysis of the water relations of eggs of blanding's turtle (emydoidea blandingii). Zoological Journal of the Linnean Society, 75, 23–34. |
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| Added by: Admin 24 Aug 2008 19:37:47 UTC |
Pop. 2.5%
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| Packard, G. C., Fasano, S. A., Attaway, M. B., Lohmiller, L. D., & Lynch, T. L. (1997). Thermal environment for overwintering hatchlings of the painted turtle (chrysemys picta). Canadian Journal of Zoology, 75, 401–406. |
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| Added by: Admin 17 Aug 2008 17:23:56 UTC |
Pop. 2%
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| Packard, G. C., & Packard, M. J. (1984). Coupling of physiology of embryonic turtles to the hydric environment. In R. S. Seymour (Ed.), Respiration and metabolism of embryonic vertebrates (pp. 99–119).Dordrecht. |
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| Added by: Admin 24 Aug 2008 19:37:47 UTC |
Pop. 2.25%
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| Packard, M. J., & Packard, G. C. (1984). Comparative aspects of calcium metabolism in embryonic reptiles and birds. In R. S. Seymour (Ed.), Respiration and metabolism of embryonic vertebrates (pp. 155–179).Dordrecht. |
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| Added by: Admin 24 Aug 2008 19:37:48 UTC |
Pop. 2.25%
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| Packard, G. C., Lang, J. W., Lohmiller, L. D., & Packard, M. J. (1999). Resistance to freezing in hatchling painted turtles (chrysemys picta). Canadian Journal of Zoology, 77(5), 795–801. |
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| Added by: Admin 17 Aug 2008 18:17:24 UTC |
Pop. 2%
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| Packard, G. C., Paukstis, G. L., Boardman, T. J., & Gutzke, W. H. N. (1985). Daily and seasonal variation in hydric conditions and temperature inside nests of common snapping turtles (chelydra serpentina). Canadian Journal of Zoology, 63, 2422–2429. |
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| Added by: Admin 24 Aug 2008 19:37:48 UTC |
Pop. 2.5%
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| Packard, G. C., Miller, K., Packard, M. J., & Birchard, G. F. (1999). Environmentally induced variation in body size and condition in hatchling snapping turtles (chelydra serpentina). Canadian Journal of Zoology, 77(2), 278–289. |
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| Added by: Admin 17 Aug 2008 18:17:24 UTC |
Pop. 2%
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| Packard, M. J., & Packard, G. C. (1979). Structure of the shell and tertiary membranes of eggs of softshell turtles (trionyx spiniferus). Journal of Morphology, 159, 131–144. |
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| Last edited by: Beate Pfau 02 Aug 2009 09:58:36 UTC |
Pop. 2.5%
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| Packard, G. C., Packard, M. J., Lang, J. W., & Tucker, J. K. (1999). Tolerance for freezing in hatchling turtles. Journal of Herpetology, 33(4), 536–543. |
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| Added by: Admin 17 Aug 2008 18:54:55 UTC |
Pop. 2.5%
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| Packard, G. C., Packard, M. J., & McDaniel, L. L. (2001). Seasonal change in the capacity for supercooling by neonatal painted turtles. Journal of Experimental Biology, 204(9), 1667–1672. |
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| Added by: Admin 17 Aug 2008 18:54:55 UTC |
Pop. 2%
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| Packard, G. C., & Packard, M. J. (1988). The physiological ecology of reptilian eggs and embryos. In C. G. A. S. Gans & R. B. Huey (Eds.), Biology of the Reptilia 16 (pp. 523–605).New York. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:33:01 UTC |
Pop. 3.25%
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| Packard, G. C., Packard, M. J., McDaniel, P. L., & McDaniel, L. L. (1989). Tolerance of hatchling painted turtles to subzero temperatures. Canadian Journal of Zoology, 67, 828–830. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:33:01 UTC |
Pop. 2%
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| Packard, G. C. (1996). Interpopulational variation in the cold-tolerance of hatchling painted turtles. Journal of Thermal Biology, 21(3), 183–190. |
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| Added by: Admin 23 Aug 2008 15:33:07 UTC |
Pop. 2%
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| Packard, G. C., & Packard, M. J. (1990). Patterns of survival at subzero temperatures by hatchling painted turtles and snapping turtles. Journal of Experimental Zoology, 254, 233–236. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:33:02 UTC |
Pop. 2%
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| Packard, M. J., & Packard, G. C. (1991). Sources of calcium, magnesium, and phosphorus for embryonic softshell turtles (trionyx spiniferus). Journal of Experimental Zoology, 110, 99–112. |
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| Last edited by: Beate Pfau 02 Aug 2009 16:25:37 UTC |
Pop. 2.25%
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| Packard, G. C., & Packard, M. J. (2003). Natural freeze-tolerance in hatchling painted turtles? Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 134(2), 233–246. |
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| Added by: Admin 14 Aug 2008 20:35:31 UTC |
Pop. 1.75%
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