| Packard, M. J., & Packard, G. C. , Size and fitness in hatchling turtles. Paper presented at 1st World Congr. Herpetol. Canterbury. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:33:02 UTC |
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| Packard, G. C., Packard, M. J., & Benigan, L. (1991). Sexual differentiation, growth, and hatching success by embryonic painted turtles incubated in wet and dry environments at fluctuating temperatures. Herpetologica, 47 (1), 125–132. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:33:02 UTC |
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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 |
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| Packard, G. C., Taigen, T. L., Packard, M. J., & Boardman, T. J. (1981). Changes in mass of eggs of softshell turtles (trionyx spiniferus) incubated under hydric conditions simulating those of natural nests. Journal of Zoology, London, 193, 81–90. |
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| Last edited by: Beate Pfau 16 Aug 2009 07:51:45 UTC |
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| Packard, G. C., Packard, M. J., Boardman, T. J., Morris, K. A., & Shuman, R. D. (1983). Influence of water exchanges by flexible-shelled eggs of painted turtles chrysemys picta on metabolism and growth of embryos. Physiological zoology, 56, 217–230. |
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| Added by: Admin 24 Aug 2008 19:37:47 UTC |
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| Packard, G. C., Packard, M. J., & Boardman, T. J. (1984). Influence of hydration of the environment on the pattern of nitrogen excretion by embryonic snapping turtles (chelydra serpentina). Journal of Experimental Biology, 108, 195–204. |
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| Added by: Admin 24 Aug 2008 19:37:48 UTC |
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| Packard, G. C., Packard, M. J., & Morjan, C. L. (2002). Cold-tolerance of hatchling painted turtles (chrysemys picta bellii) from the southern limit of distribution. Journal of Herpetology, 36(2), 300–304. |
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| Added by: Admin 14 Aug 2008 20:35:31 UTC |
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| Packard, G. C., & Packard, M. J. (1997). Type of soil affects survival by overwintering hatchlings of the painted turtle. Journal of Thermal Biology, 22, 53–58. |
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| Added by: Admin 14 Aug 2008 22:46:52 UTC |
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| 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 |
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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 |
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| 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 |
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| Packard, G. C., & Packard, M. J. (2001). Environmentally induced variation in size, energy reserves and hydration of hatchling painted turtles, chrysemys picta. Functional Ecology, 15(4), 481. |
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| Added by: Admin 17 Aug 2008 18:54:55 UTC |
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| Packard, G. C., Packard, M. J., Miller, K., & Boardman, T. J. (1987). Influence of moisture, temperature, and substrate on snapping turtle eggs and embryos. Ecology, 68, 983–993. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:33:00 UTC |
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| Packard, G. C., Packard, M. J., & Birchard, G. F. (1989). Sexual differentiation and hatching success by painted turtles incubating in different thermal and hydric environments. Herpetologica, 45, 385–392. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:33:01 UTC |
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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. 2%
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