| Aresco, M. J., Ewert, M. A., Gunzburger, M. S., Heinrich, G. L., & Meylan, P. A. (2006). Chelydra serpentina – snapping turtle. In P. A. Meylan (Ed.), Biology and Conservation of Florida Turtles Vol. 3, (pp. 44–57). |
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| Added by: Sarina Wunderlich 30 Jun 2012 22:00:28 UTC |
Pop. 4.75%
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| Bowden, R. M., Ewert, M. A., Lipar, J. L., & Nelson, C. E. , Hormones in yolk layers and offspring sex ratios vary seasonally in a turtle. Paper presented at Animal Behaviour Conference 2002. |
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| Added by: Admin 25 Aug 2008 21:57:58 UTC |
Pop. 3%
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| Bowden, R. M., Ewert, M. A., & Nelson, C. E. (2002). Hormone levels in yolk decline throughout development in the red-eared slider turtle (trachemys scripta elegans). General and Comparative Endocrinology, 129(3), 171–177. |
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| Added by: Admin 14 Aug 2008 20:35:25 UTC |
Pop. 2.25%
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| Bowden, R. M., Ewert, M. A., Lipar, J. L., & Nelson, C. E. 2002, Hormones in yolk layers and offspring sex ratios vary seasonally in a turtle. Unpublished paper presented at Indiana University Animal Behavior Conference. |
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| Added by: Admin 15 Mar 2009 13:35:42 UTC |
Pop. 3.25%
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| Bowden, R. M., Ewert, M. A., & Nelson, C. E. (2000). Environmental sex determination in a reptile varies seasonally and with yolk hormones. Proceedings of the Royal Society of London - Biological Sciences, 267(1454), 1745–1749. |
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| Added by: Admin 14 Aug 2008 22:46:39 UTC |
Pop. 2.5%
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| Bowden, R. M., Ewert, M. A., Freedberg, S. B., & Nelson, C. E. (2002). Maternally derived yolk hormones vary in follicles of the painted turtle, chrysemys picta. Journal of Experimental Zoology, 293(1), 67–72. |
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| Added by: Admin 14 Aug 2008 20:36:21 UTC |
Pop. 2.75%
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| Bowden, R. M., Ewert, M. A., Lipar, J. L., & Nelson, C. E. (2001). Concentrations of steroid hormones in layers and biopsies of chelonian egg yolks. General and Comparative Endocrinology, 121(1), 95–103. |
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| Added by: Admin 17 Aug 2008 18:17:13 UTC |
Pop. 2.75%
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| Burke, R. L., Ewert, M. A., McLemore, J. B., & Jackson, D. R. (1996). Temperature-dependent sex determination and hatching success in the gopher tortoise (gopherus polyphemus). Chelonian Conservation and Biology, 2 (1), 86–88. |
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| Added by: Admin 23 Aug 2008 12:13:04 UTC |
Pop. 2.25%
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| Clark, P. J., Ewert, M. A., & Nelson, C. E. (2001). Physical apertures as constraints on egg size and shape in the common musk turtle, sternotherus odoratus. Functional Ecology, 15(1), 70–77. |
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| Added by: Admin 14 Aug 2008 22:46:40 UTC |
Pop. 2.25%
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| Etchberger, C. R., Phillips, J. B., Ewert, M. A., Nelson, C. E., & Prange, H. D. (1991). Effects of oxygen concentration and clutch on sex determination and physiology in red-eared slider turtles (trachemys scripta). Journal of Experimental Zoology, 258, 394–403. |
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| Added by: Admin 23 Aug 2008 19:58:24 UTC |
Pop. 2.25%
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| Etchberger, C. R., Ewert, M. A., Raper, B. A., & Nelson, C. E. (1992). Do low incubation temperatures yield females in painted turtles? Canadian Journal of Zoology, 70, 391–394. |
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| Added by: Admin 23 Aug 2008 12:13:14 UTC |
Pop. 2.25%
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| Etchberger, C. R., Ewert, M. A., Phillips, J. B., & Nelson, C. E. (2002). Carbon dioxide influences environmental sex determination in two species of turtles. Amphibia-Reptilia, 23(2), 169–175. |
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| Added by: Admin 14 Aug 2008 20:35:26 UTC |
Pop. 2.5%
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| Etchberger, C. R., Ewert, M. A., Phillips, J. B., Nelson, C. E., & Prange, H. D. (1993). Environmental and maternal influences on embryonic pigmentation in a turtle (trachemys scripta elegans). Journal of Zoology, London, 230, 529–539. |
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| Last edited by: Beate Pfau 10 Jul 2009 09:08:26 UTC |
Pop. 2.25%
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| Etchberger, C. R., Ewert, M. A., & Nelson, C. E. (1990). The effects of incubation temperature on hatching success, survival, and growth in graptemys kohni. American Zoologist, 30, 56A. |
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| Added by: Admin 23 Aug 2008 19:58:23 UTC |
Pop. 2.25%
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| Etchberger, C. R., Ewert, M. A., Phillips, J. B., Nelson, C. E., & Prange, H. D. (1992). Physiological responses to carbon dioxide in embryonic red-eared slider turtles, trachemys scripta. Journal of Experimental Zoology, 264, 1–10. |
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| Added by: Admin 23 Aug 2008 12:13:14 UTC |
Pop. 2%
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| Ewert, M. A., & Nelson, C. E. (1991). Sex determination in turtles: patterns and some possible adaptive values. Copeia, 1991(1), 50–69. |
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| Last edited by: Beate Pfau 01 Jun 2009 11:48:27 UTC |
Pop. 2.75%
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| Ewert, M. A. (1981). Embryonic diapause and embryonic aestivation in turtle eggs: definition and two environmental correlates. Bull. Ecol. Soc. America, 62, 156. |
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| Added by: Admin 24 Aug 2008 18:46:27 UTC |
Pop. 2.5%
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| Ewert, M. A. (1979). Graptemys pseudogeographica ouachitensis (ouachita map turtle). usa: indiana. Herpetological Review, 10, 102. |
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| Added by: Admin 24 Aug 2008 20:00:15 UTC |
Pop. 2%
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| Ewert, M. A., Hatcher, R. E., & Goode, M. J. (2004). Sex determination and ontogeny in malacochersus tornieri, the pancake tortoise. Journal of Herpetology, 38(2), 291–295. |
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| Added by: Admin 06 Mar 2009 16:02:05 UTC |
Pop. 2.25%
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| Ewert, M. A., Jackson, D. R., & Moler, P. E. (2006). Macrochelys temminckii – alligator snapping turtle. In P. A. Meylan (Ed.), Biology and Conservation of Florida Turtles Vol. 3, (pp. 58–71). |
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| Added by: Sarina Wunderlich 06 Jul 2014 16:10:43 UTC |
Pop. 4%
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