| Packard, G. C., Packard, M. J., Boardman, T. J., & ZumBrunnen, J. R. (1990). Mobilization of lipid and protein by embryonic snapping turtles in wet and dry environments. Journal of Experimental Zoology, 255, 155–162. |
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| Added by: Sarina Wunderlich 13 Oct 2008 21:32:30 UTC |
Pop. 5.5%
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| Gutzke, W. H. N., Packard, G. C., Packard, M. J., & Boardman, T. J. (1987). Influence of the hydric and thermal environments on eggs and hatchlings of painted turtles (chrysemys picta). Herpetologica, 43, 393–404. |
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| Added by: Admin 23 Aug 2008 19:58:37 UTC |
Pop. 2.25%
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| Morris, K. A., Packard, G. C., Boardman, T. J., Paukstis, G. L., & Packard, M. J. (1983). Effect of hydric environment on growth of embryonic snapping turtles (chelydra serpentina). Herpetologica, 39, 272–285. |
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| Added by: Admin 24 Aug 2008 19:37:40 UTC |
Pop. 2.25%
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| Packard, G. C., Packard, M. J., & Boardman, T. J. (1981). Patterns and possible significance of water exchange by flexible-shelled eggs of painted turtles (chrysemys picta). Physiological zoology, 54, 165–178. |
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| Added by: Admin 24 Aug 2008 19:37:46 UTC |
Pop. 2%
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| Packard, M. J., Packard, G. C., & Boardman, T. J. (1982). Structure of eggshells and water relations of reptilian eggs. Herpetologica, 38, 136–155. |
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| Added by: Admin 24 Aug 2008 19:37:47 UTC |
Pop. 1.75%
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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 |
Pop. 2.25%
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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 |
Pop. 2%
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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 |
Pop. 2%
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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 |
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. 2.25%
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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. 1.75%
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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. 2.25%
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| Packard, G. C., Packard, M. J., & Boardman, T. J. (1984). Effects of the hydric environment on metabolism of embryonic snapping turtles do not result from altered patterns of sexual differentiation. Copeia, 1984, 547–550. |
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| Added by: Admin 24 Aug 2008 19:37:47 UTC |
Pop. 1.75%
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