Freeze Tolerance in Overwintering Northern Map Turtle (Graptemys geographica) Hatchlings
| Home | Freeze Tolerance in Overwintering Northern Map Turtle (Graptemys geographica) Hatchlings |
| Freeze Avoidance and Freeze Tolerance: An Overview | A study of northern map turtles (Graptemys geographica) examined freeze tolerance in hatchlings overwintering in natal nests prior to emerging in the spring. Hatchlings in nests survived low temperatures of -8 degrees Celsius and half of all dead hatchlings observed were found in nests that exhibited evidence of fall emergence, rather than the delayed emergence of other nests (Nagle et al., 2004). |
|
|
| Supercooling | |
| Freeze Avoidance in Overwintering Snapping Turtle (Chelydra serpentina) Hatchlings | |
| Freeze Avoidance in Overwintering Blanding’s Turtles (Emydoidea blandingii) | |
| Variation in Freeze Tolerance Between Species | Figure 1. Adapted from Nagle et al., 2004. |
| Freeze Tolerance in Overwintering Slider (Trachemys scripta) Hatchlings | |
| Literature Cited | |
| Back to Hot Topics in Animal Physiology | |
| Contact | This website was created as a part of a class project in the Animal Physiology Class at Davidson College |