| Briston, C. A., & Gutzke, W. H. N. (1993). Antipredator mechanisms of hatchling freshwarter turtles. Copeia, 1993, 435–440. |
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| Added by: Admin 23 Aug 2008 15:32:52 UTC |
Pop. 3.25%
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| Britson, C. A., & Gutzke, W. H. N. (1993). Antipredator mechanisms of hatchling freshwater turtles. Copeia, 1993 (2), 435–440. |
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| Added by: Admin 23 Aug 2008 12:13:03 UTC |
Pop. 3.5%
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| Crews, D., Wibbels, T., & Gutzke, W. H. N. (1989). Action of sex steroid hormones on temperature-induced sex determination in the snapping turtle (chelydra serpentina). General and Comparative Endocrinology, 75, 159–166. |
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| Added by: Admin 23 Aug 2008 19:57:57 UTC |
Pop. 3.75%
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| Gettinger, R. D., Paukstis, G. L., & Gutzke, W. H. N. (1984). Influence of hydric environment on oxygen consumption by embryonic turtles chelydra serpentina and trionyx spiniferus. Physiological zoology, 57, 468–473. |
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| Last edited by: Beate Pfau 24 Aug 2008 18:46:33 UTC |
Pop. 2.75%
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| Gutzke, W. H. N. (1990). Reptilian embryos: a model for sex determination and sexual differentiation in amniotes. J. Exp. Zool. Suppl., 4, 161–163. |
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| Added by: Admin 23 Aug 2008 19:58:37 UTC |
Pop. 2%
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| Gutzke, W. H. N. (1984). A low threshold temperature for sexual differentiation in the painted turtle, chrysemys picta. Copeia, 1984, 546–547. |
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| Added by: Admin 24 Aug 2008 18:46:36 UTC |
Pop. 1.75%
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| Gutzke, W. H. N., & Packard, G. C. (1987). The influence of temperature on eggs and hatchlings of blanding's turtles, emydoidea blandingii. Journal of Herpetology, 21, 161–163. |
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| Added by: Admin 23 Aug 2008 19:58:37 UTC |
Pop. 2.75%
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| Gutzke, W. H. N., & Packard, G. C. (1986). Sensitive periods for the influence of the hydric environment on eggs and hatchlings of painted turtles (chrysemys picta). Physiological zoology, 59, 337–343. |
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| Added by: Admin 24 Aug 2008 18:46:36 UTC |
Pop. 2.25%
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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. 2.5%
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| Gutzke, W. H. N., & Paukstis, G. L. (1983). Influence of the hydric environment on sexual differentiation of turtles. Journal of Experimental Zoology, 226, 467–469. |
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| Added by: Admin 24 Aug 2008 18:46:36 UTC |
Pop. 2.5%
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| Gutzke, W. H. N., Paukstis, G. L., & Packard, G. C. (1984). Pipping versus hatching as indices of time of incubation in reptiles. Journal of Herpetology, 18(4), 494–496. |
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| Added by: Sarina Wunderlich 30 Jun 2012 22:01:01 UTC |
Pop. 3.5%
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| McKnight, C. M., & Gutzke, W. H. N. (1993). Effects of the embryonic environment and of hatchling housing conditions on growth of young snapping turtles (chelydra serpentina). Copeia, 1993(2), 475–482. |
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| Last edited by: Beate Pfau 07 May 2009 08:14:43 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., 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%
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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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