Metabolically-generated heat of developing eggs and its potential effect on sex ratio of sea turtle hatchlings

Journal of Herpetology

Volumn 31, Issue 4, 1997, Pages 616-619

  Godfrey, Matthew H ^a   Barreto, R ^b,c   Mrosovsky, N ^a  

^a UNIVERSITY OF TORONTO   (Canada)

^b YORK UNIVERSITY   (Canada)

^c ENVIRONMENT CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0031455241     PISSN: 00221511     EISSN: None     Source Type: Journal    
DOI: 10.2307/1565626     Document Type: Article

References (25)

1. BINCKLEY, C. A. 1996. Sex determination and sex ratios of Pacific hatchling leatherback sea turtles, Dermochelys coriacea. Unpubl. M.S. Thesis, Drexel Univ. Philadelphia, Pennsylvania.
2. BULL, J. J. 1985. Sex ratio and nest temperature in turtles: comparing field and laboratory data. Ecology 66:1115-1122.
3. _, AND E. L. CHARNOV. 1988. How fundamental are Fisherian sex ratios? Oxf. Surv. Evol. Biol. 5:96-135.
4. CARR, A., AND H. HIRTH. 1961. Social facilitation in green turtle siblings. Anim. Behav. 9:68-70.
5. DESVAGES, G., M. GIRONDOT, AND C. PIEAU. 1993. Sensitive stages for the effects of temperature on gonadal aromatase activity in embryos of the marine turtle Dermochelys coriacea. Gen. Comp. Endocrinol. 92:54-61.
6. DUTTON, P. H., C. P. WHITMORE, AND N. MROSOVSKY. 1985. Masculinisation of leatherback turtle Dermochelys coriacea hatchlings from eggs incubated in Styrofoam boxes. Biol. Conserv. 31:249-264.
7. GEORGES, A., C. LIMPUS, AND R. STOUTJESDIJK. 1994. Hatchling sex in the marine turtle Caretta caretta is determined by proportion of development at a temperature, not daily duration of exposure. J. Exp. Zool. 270:432-444.
8. GODFREY, M. H., R. BARRETO, AND N. MROSOVSKY. 1996. Estimating past and present sex ratios of sea turtles in Suriname. Can. J. Zool. 74:267-277.
9. _, AND N. MROSOVSKY. 1994. Simple method of estimating mean incubation temperatures on sea turtle beaches. Copeia 1994:808-811.
10. HENDRICKSON, J. R. 1958. The green sea turtle, Chelonia mydas (LINN.) in Malaya and Sarawak. Proc. Zool. Soc. London 130:455-535.
11. JANZEN, F. J., AND G. L. PAUKSTIS. 1991. Environmental sex determination in reptiles: ecology, evolution, and experimental designs. Q. Rev. Biol. 66: 149-179.
12. MALONEY, J. E., C. DARIAN-SMITH, Y. TAKAHASHI, AND C. J. LIMPUS. 1990. The environment for development of the embryonic loggerhead turtle (Caretta caretta) in Queensland. Copeia. 1990:378-387.
13. MAXWELL, J. A., M. A. MOTARA, AND G. H. FRANK. 1988. A micro-environmental study of the effect of temperature on the sex ratios of the loggerhead turtle, Caretta caretta, from Tongaland, Natal. S. Afr. J. Zool. 23:342-350.
14. MORREALE, S. J., G. RUIZ, J. R. SPOTILA, AND E. A. STANDORA. 1982. Temperature-dependent sex determination: current practices threaten conservation of sea turtles. Science 216:1245-1247.
15. MROSOVSKY, N. 1982. Sex ratio bias in hatchling sea turtles from artificially incubated eggs. Biol. Conserv. 23:309-314.
16. _. 1994. Sex ratios of sea turtles. J. Exp. Zool. 270:16-27.
17. _, P. H. DUTTON, AND C. P. WHITMORE. 1984. Sex ratios of two species of sea turtle nesting in Suriname. Can. J. Zool. 62:2227-2239.
18. _, AND C. PIEAU. 1991. Transitional range of temperature, pivotal temperatures and thermosensitive stages for sex determination in reptiles. Amphibia.-Reptilia 12:169-179.
19. _, AND C. L. YNTEMA. 1980. Temperature dependence of sexual differentiation in sea turtles: implications for conservation practices. Biol. Conserv. 18:271-180.
20. RAYNAUD, A., AND C. PIEAU. 1985. Embryonic development of the genital system. In C. Gans and F. Billett (eds.), Biology of the Reptilia, pp. 149-300. John Wiley and Sons, New York.
21. RENOUS, S., F. RIMBLOT-BALY, J. FRETEY, AND C. PIEAU. 1989. Caractéristiques du développement embryonnaire de la Tortue Luth, Dermochelys coriacea (Vandelli, 1761). Ann. Sci. Nat. Zool. (Paris) 10:197-229.
22. RIMBLOT-BALY, F., J. LESCURE, J. FRETEY, AND C. PIEAU. 1987. Sensibilité à la température de la différenciation sexuelle chez la Tortue Luth, Dermochelys coriacea (Vandelli, 1761); application des données de l'incubation artificielle à l'étude de la sex-ratio dans la nature. Arm. Sci. Nat., Zool. (Paris) 8:277-290.
23. SCHULZ, J. P. 1975. Sea turtles nesting in Surinam. Zool. Verk. (Leiden) 143:1-143.
24. STANDORA, E. A., S. J. MORREALE, G. J, RUIZ, AND J. R. SPOTILA. 1982. Sex determination in green turtle (Chelonia mydas) hatchlings can be influenced by egg position within the nest. Bull. Ecol. Soc. Amer. 63:83.
25. THOMPSON, M. B. 1993. Oxygen consumption and energetics of development in eggs of the leatherback turtle, Dermochelys coriacea. Comp. Biochem. Physiol. 104A:449-453.