Table 3.
Nest temperature | 28 °C | 29.1 °C | 29.3 °C | 29.5 °C | 31.0 °C | 33.0 °C | Reference | |
---|---|---|---|---|---|---|---|---|
I d | Incubation duration (days) | 63 | 54 | 53 | 52 | 47 | 43 | 55,73 |
O f | Percent female in offspring (%) | 0 | 25 | 50 | 75 | 100 | 100 | 73 |
E s | Emergence success (%) | 90 | 90 | 90 | 90 | 75 | 10 | 55 |
E n | Mean eggs per nest | 112 | 112 | 112 | 112 | 112 | 112 | 104 |
C y | Mean number of clutches per year | 3 | 3 | 3 | 3 | 3 | 3 | 104 |
S m | Survival to maturation (%) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 96 |
M a | Age of maturation (year)* | 24/29 | 24/29 | 24/29 | 24/29 | 24/29 | 24/29 | 54 |
S a | Annual survival for adults (%) | 80.9 | 80.9 | 80.9 | 80.9 | 80.9 | 80.9 | 105,106 |
T r | Duration of reproductive stage (years) | 23–35 | 23–35 | 23–35 | 23–35 | 23–35 | 23–35 | 96,106 |
Six different temperatures during the middle third of the incubation were considered. Some of the parameters were assumed to be constant in the range of temperatures considered. *First value for turtles of Mediterranean origin and second value for turtles of Atlantic origin.