Date of Award
2013
Document Type
Thesis
Publication Status
Version of Record
Submission Date
October 2026
Abstract
South Florida's loggerhead (Caretta caretta), green (Chelonia mydas) and leatherback (Dermochelys coriacea) sea turtles hatchling have environmentally determined sex. The in situ nest mean hatchling sex ratios (SR) were highly female-biased : loggerhead F=0.89) and green turtle F=0.81; leatherback's SR was nearly balanced (0.55F). Nest temperatures and SRs differed between leatherbacks and loggerhead and green turtles. The latter two did not differ. The loggerhead response parameters were estimated within biological limitations by both 50-65% of incubation and mean middle 1/3 temperature. The maximum middle 1/3 temperature was the best-fit predictor for green turtles. No best-fit sex ratio-temperature response could be identified for leatherbacks. Clutches incubating under natural conditions can vary greatly in SR ; TRT differences may account for differences among species' sex ratios.
Extent
x, 103 p. : ill.
Recommended Citation
Rogers, Micah Marie, "Hatchling sex ratios and nest temperature-sex ratio response of three South Florida marine turtle species (Caretta caretta L., Chelona mydas L., and Dermochelys coriacea V.)" (2013). Electronic Theses and Dissertations 2010 - 2019. 788.
https://digitalcommons.fau.edu/etd_general_6/788
Identifier
FADT3361062
Comments
by Micah Marie Rogers.|Thesis (M.S.)--Florida Atlantic University, 2013.|Includes bibliography.|Mode of access: World Wide Web.|System requirements: Adobe Reader.|by Micah Marie Rogers.