Figure Legends
Figure 1. Sex-specific body size data for seven species of marine turtles based on a new, comprehensive literature review (Supplementary Table 2). A. Male versus female carapace length for 36 populations of all seven species of marine turtles: green (green cross:Chelonia mydas ), loggerhead (dark grey circle: Caretta caretta ), Kemp’s ridley (red diamond: Lepidochelys kempii ), olive ridley (red square: Lepidochelys olivacea ), hawksbill (orange inverted triangle: Eretmochelys imbricata ), flatback (black cross: Natator depressus ) and leatherback (blue triangle:Dermochelys coriacea ). The red line is the 1:1 line, representing the null hypothesis of no SSD. The blue line is the regression (male CL = 0.38804 + 0.9611 (female CL); adj r2=0.96, p<0.0001), and the dotted lines are the 95% confidence intervals. See text for statistical details. B. Mean adult body size of the seven species of marine turtles with symbols as in Figure 1A. Number in parentheses is the total sample size across all studies, and error bars indicate 1 Standard Error (SE)
Figure 2. Comparisons of SSD in marine (symbols as in Figure 1) and non-marine (black open circles) aquatic turtles. A. Plot of female to male carapace length of marine versus non-marine aquatic turtles. The red line is the 1:1 line, representing the null hypothesis of no SSD. The solid lines represent the linear regressions and the dotted lines show the 95% confidence intervals. The regression for the marine turtles (blue) is: male CL = -2.4647 + 1.0014 (female CL) adj r2=0.99, p<0.0001). The regression for the non-marine turtles (black) is: male CL = 0.5345 + 0.7684 (female CL) adj r2=0.78, p<0.0001). See text and Table 1A for statistical details. B. Comparison of Sexual Dimorphism Index (SDILGF) values for marine versus non-marine aquatic turtles (symbols as Fig. 1, Fig. 2A). The vertical red line represents the null hypothesis of no sexual dimorphism (SDILGF = 0). See text and Table 1B for statistical details.
Data Accessibilty Statement
Three supplementary tables and a general description of the data mining process are included as Appendix/Electronic Supplementary Materials.