Male-biased primary sex ratio of leatherback turtles (dermochelys coriacea) at the Huon Coast, Papua New Guinea

Chelonian Conservation and Biology

Volumn 9, Issue 1, 2010, Pages 123-128

  Steckenreuter, Andre ^a   Pilcher, Nicolas ^b   Krger, Barry ^c   Ben, John ^d  

^a MACQUARIE UNIVERSITY   (Australia)

^b Marine Research Foundation   (Malaysia)

^c UNIVERSITY OF THE WEST INDIES   (Jamaica)

^d Huon Coast Leatherback Turtle Conservation Project   (Papua New Guinea)

Author keywords

[No Author keywords available]

Indexed keywords

DERMOCHELYIDAE; DERMOCHELYS CORIACEA; TESTUDINES;

EID: 77953845407     PISSN: 10718443     EISSN: None     Source Type: Journal    
DOI: 10.2744/CCB-0763.1     Document Type: Article

References (22)

1. ACKERMAN, R.A. 1997. The nest environment and the embryonic development of sea turtles. In: Lutz, P. and Musick, J. (Eds.). The Biology of Sea Turtles-Volume I. Boca Raton, FL: CRC Press, pp. 83-106.
2. BENSON, S.R., KISOKAU, K.M., AMBIO, L., REI, V., DUTTON, P.H., AND PARKER, D. 2007. Beach use, internesting movement, and migration of leatherback turtles, Dermochelys coriacea, nesting on the north coast of Papua New Guinea. Chelonian Conservation and Biology 6:7-14.
3. BOOTH, D.T. AND ASTILL, K. 2001. Temperature variation within and between nests of the green sea turtle, Chelonia mydas, (Chelonia: Cheloniidae) on Heron Island, Great Barrier Reef. Australian Journal of Zoology 49:71-84.
4. CHAN, E.H. AND LIEW, H.C. 1995. Incubation temperatures and sex-ratios in the Malaysian leatherback turtle Dermochelys coriacea. Biological Conservation 74:169-174.
5. DUTTON, P.H., WHITMORE, C.P., AND MROSOVSKY, N. 1985. Masculinization of leatherback turtle Dermochelys coriacea hatchlings from eggs incubated in styrofoam boxes. Biological Conservation 31:249-264.
6. ECKERT, K.L. AND ECKERT, S.A. 1990. Embryo mortality and hatch success in situ and translocated leatherback sea turtle Dermochelys coriacea eggs. Biological Conservation 53:37-46.
7. FAO (FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS). 1990. FAO Species Catalogue-Sea Turtles of the World. FAO Fisheries Synopsis, No.125, Vol.11. Rome, Italy: FAO.
8. GEORGES, A., LIMPUS, C., AND STOUTJESDIJK, R. 1994. Hatchling sex in the marine turtle Caretta caretta is determined by proportion of development at a temperature, not daily duration of exposure. Journal of Experimental Zoology 270: 432-444.
9. GODFREY, M.H., BARRETO, R., AND MROSOVSKY, N. 1996. Estimating past and present sex ratios of sea turtles in Suriname. Canadian Journal of Zoology 74:267-277.
10. GODFREY, M.H., DELMAS, V., AND GIRONDOT, M. 2003. Assessment of temperature-dependent sex determination using maximum likelihood model selection. É coscience 10:265-272.
11. GODFREY, M.H. AND MROSOVSKY, N. 1999. Estimating hatchling sex ratios. In: Eckert, K.L., Bjorndal, K.A., Abreu-Grobois, F.A., and Donnelly, M. (Eds.). Research and Management Techniques for the Conservation of Sea Turtles. Publication No. 4, IUCN. Washington, DC: IUCN/SSC Marine Turtle Specialist Group, pp. 136-138.
12. HITIPEUW, C., DUTTON, P.H., BENSON, S., THEBU, J., AND BAKARBESSY, J. 2007. Population status and internesting movement of leatherback turtles, Dermochelys coriacea, nesting on the northwest coast of Papua, Indonesia. Chelonian Conservation and Biology 6:28-36.
13. HOARE, R. 2007. Meteorological data for the city of Lae, PNG. Isle of Man: Buttle and Tuttle Ltd. www.worldclimate.com (June 2007).
14. JANZEN, F.J. 1994. Climate change and temperature-dependent sex determination in reptiles. Proceedings of the National Academy of Sciences of the USA 91:7487-7490.
15. MROSOVSKY, N., BAPISTOTTE, C., AND GODFREY, M.H. 1999. Validation of incubation duration as an index of the sex ratio of hatchling sea turtles. Canadian Journal of Zoology 77:831-835.
16. MROSOVSKY, N. AND PIEAU, C. 1991. Transitional range of temperature, pivotal temperatures and thermosensitive stages for sex determination in reptiles. Amphibia-Reptilia 12:169-179.
17. MROSOVSKY, N. AND PROVANCHA, J. 1992. Sex ratio of hatchling loggerhead sea turtles: data and estimates from a 5-year study. Canadian Journal of Zoology 70:530-538.
18. PILCHER, N. 2006. The 2005-2006 leatherback nesting season, Huon Coast, Papua New Guinea. Final report. Honolulu, HI: Western Pacific Regional Fishery Management Council.
19. RIMBLOT-BALY, F., LESCURE, J., FRETEY, J., AND PIEAU, C. 1987. Temperature sensitivity of sexual differentiation in the leatherback, Dermochelys coriacea (Vandelli, 1761). Data from artificial incubation applied to the study of sex-ratio in nature. Annales des Sciences Naturelles 8:277-290.
20. STANDORA, E.A. AND SPOTILA, J.R. 1985. Temperature dependent sex determination in sea turtles. Copeia 1985:711-722.
21. TAPILATU, R.F. AND TIWARI, M. 2007. Leatherback turtle, Dermochelys coriacea, hatching success at Jamursba-Medi and Wermon beaches in Papua, Indonesia. Chelonian Conservation and Biology 6:154-158.
22. YNTEMA, C.L. AND MROSOVSKY, N. 1982. Critical periods and pivotal temperatures for sexual differentiation in loggerhead sea turtles. Canadian Journal of Zoology 60:1012-1016.