|SREL Reprint #0858|
of Reproductive Characteristics to Body Size in Pseudemys scripta
D. Congdon and J. Whitfield Gibbons
Female Pseudemys scripta (n=65) with
eggs were collected from three habitats where females mature at relatively large
body sizes and four where females mature at relatively small body sizes.
Clutch size, clutch wet mass, egg wet mass and egg width all exhibited
significant positive relationships with body size of the female while egg length
did not. When effects of body size
were removed, no significant differences in adjusted means of clutch size, egg
wet mass, or of the log of clutch mass were found between females from
populations of large-bodied adults and those from populations of small-bodied
adults. The relationship between
clutch size and egg wet mass among populations was not significant. This study suggests that in turtle populations in which
individuals exhibit rapid growth and unusually large body sizes, the
proportional investment per egg or clutch remains constant.
Reptilia; Testudines; Pseudemys; Body size; Egg size
SREL Reprint #0858
Congdon, J.D. and J.W. Gibbons. 1983. Relationships of reproductive characteristics to body size in Pseudemys scripta. Herpetologica 39:147-151.