Turtles and tortoises (chelonians) have been integral components of global ecosystems for
about 220 million years and have played important roles in human culture for at least …

Sex-determining mechanisms in reptiles can be divided into two convenient classifications:
genotypic (GSD) and environmental (ESD). While a number of types of GSD have been …

Sexual size dimorphism (SSD) in the slider turtle, Trachemys scripta, is pronounced; females
attain larger body sizes than males in all populations for which data are available. The …

Far from the line drawings and black-and-white photos of the past, Infectious Diseases and
Pathology of Reptiles features high-quality, color photos of normal anatomy and histology …

Biostatistics channels ecologists into thinking primarily about the mean and variance of a
probability distribution. But many problems of biological interest concern the extremes in a …

Temperature dependent sex determination (TSD) has been demonstrated for loggerhead
(Caretta caretta), green (Chelonia mydas), leatherback (Dermochelys coriacea) and olive …

I monitored natural nests of an Illinois population of the western painted turtle (Chrysemys
picta bellii), a species with temperature—dependent sex determination, for 4 yr to investigate …

Conclusions and Summary Environmental sex determination (ESD) is a system of sexual
determination that is influenced by a variable environment. Once sex is determined it is then …

Temperatures of natural nests of green turtles, Chelonia mydas, determined the sex of
hatchlings at Tortuguero, Costa Rica. The beach could be divided into three distinct thermal …

Crocodylus porosus is a mound-nesting crocodilian in which incubation temperature
influences the rate of embryonic development, the probability that embryos will survive to …