| Ernst, C. H., & Zug, G. R. (1994). Observations on the reproductive biology of the spotted turtle, clemmys guttata, in southeastern pennsylvania. Journal of Herpetology, 28 (1), 99–102. |
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| Added by: Admin 23 Aug 2008 12:13:14 UTC |
Pop. 2.75%
|
| Ernst, C. H. (2001). Some ecological parameters of the wood turtle, clemmys insculpta, in southeastern pennsylvania. Chelonian Conservation and Biology, 4(1), 94–99. |
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| Last edited by: Beate Pfau 02 Nov 2008 16:48:02 UTC |
Pop. 2.25%
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| Ernst, C. H., Barbour, R. W., & Lovich, J. E. (1994). Turtles of the united states and canada. Washington: Smithsonian Institution Press. |
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| Last edited by: Beate Pfau 16 Aug 2009 07:46:35 UTC |
Pop. 5.75%
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| Ernst, C. H. (1967). A mating aggregation of the turtle clemmys guttata. Copeia, 1967(2), 473–474. |
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| Added by: Sarina Wunderlich 30 Jun 2012 22:00:52 UTC |
Pop. 3.25%
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| Ernst, C. H. (1983). Clemmys guttata (spotted turtle) x clemmys muhlenbergi (bog turtle). natural hybrid. Herpetological Review, 14 (3), 75. |
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| Last edited by: Beate Pfau 01 Nov 2008 10:00:31 UTC |
Pop. 2.25%
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| Ernst, C. H. (1972). Clemmys insculpta (leconte) wood turtle. Catalogue of American Amphibians and Reptiles, 125, 1–2. |
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| Last edited by: Beate Pfau 02 Nov 2008 16:44:36 UTC |
Pop. 2.75%
|
| Ernst, C. H. (1977). Biological notes on the bog turtle, clemmys muhlenbergii. Herpetologica, 33(2), 241–246. |
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| Last edited by: Beate Pfau 01 Nov 2008 17:08:11 UTC |
Pop. 2.25%
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| Ernst, C. H. (2001). An overview of the north american turtle genus clemmys ritgen, 1828. Chelonian Conservation and Biology, 4(1), 211–216. |
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| Last edited by: Beate Pfau 02 Nov 2008 16:52:42 UTC |
Pop. 2.5%
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| Ernst, C. H. (1982). Why are more tropical emydid turtles black? Biotropica, 14(1), 68. |
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| Added by: Sarina Wunderlich 30 Jun 2012 22:00:52 UTC |
Pop. 3.5%
|
| Ernst, C. H. (1986). Environmental temperatures and activities in the wood turtle, clemmys insculpta. Journal of Herpetology, 20, 222–229. |
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| Last edited by: Beate Pfau 02 Nov 2008 16:45:49 UTC |
Pop. 2.25%
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| Ernst, C. H. (1970). Reproduction in clemmys guttata. Herpetologica, 26, 228–232. |
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| Added by: Admin 25 Aug 2008 20:39:01 UTC |
Pop. 2.25%
|
| Ernst, C. H. (1970). Home range of the spotted turtle, clemmys guttata (schneider). Copeia, 1970(2), 391–393. |
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| Added by: Admin 01 Aug 2010 18:21:53 UTC |
Pop. 3%
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| Ernst, C. H. (1968). Evaporative water-loss relationships of turtles. Journal of Herpetology, 2(3/4), 159–161. |
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| Added by: Admin 21 Nov 2009 11:53:10 UTC |
Pop. 3.5%
|
| Ernst, C. H. (1982). Environmental temperatures and activities in wild spotted turtles, clemmys guttata. Journal of Herpetology, 16, 112–120. |
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| Added by: Admin 24 Aug 2008 18:46:25 UTC |
Pop. 2%
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| Ernst, C. H. (1976). Ecology of the spotted turtle, clemmys guttata, in southeastern pennsylvania. Journal of Herpetology, 10, 25–33. |
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| Last edited by: Beate Pfau 07 Feb 2009 10:08:24 UTC |
Pop. 2.75%
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| Ernst, C. H. (1975). Growth of the spotted turtle clemmys guttata. Journal of Herpetology, 9(3), 313–318. |
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| Added by: Admin 01 Aug 2010 18:21:53 UTC |
Pop. 3%
|
| Evans, L. T. (1967). How are age and size related to mating in the wood turtle, clemmys insculpta? American Zoologist, 7, 799. |
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| Last edited by: Beate Pfau 02 Nov 2008 16:57:05 UTC |
Pop. 2.75%
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| Evans, L. T. (1961). Aquatic courtship of the wood turtle, clemmys insculpta. American Zoologist, 7, 353. |
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| Last edited by: Beate Pfau 02 Nov 2008 16:55:18 UTC |
Pop. 3%
|
| 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. 3.25%
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| Ewert, M. A., Jackson, D. R., & Nelson, C. E. (1994). Patterns of temperature-dependent sex determination in turtles. Journal of Experimental Zoology, 270, 3–15. |
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| Added by: Admin 19 Jul 2009 14:41:40 UTC |
Pop. 3%
|
