Survival of gray treefrogs of both species and from several populations to various freezing temperatures
| . | Temperature (°C) . | . | . | . | . | ||||
|---|---|---|---|---|---|---|---|---|---|
| Population/Species . | −3.5 . | −4.5 . | −5.5 . | −6.5 . | −7.5 . | ||||
| Indiana | |||||||||
| H. chrysoscelis | 3/3 | 6/6 | 6/12 | 0/9 | |||||
| H. versicolor | 3/3 | 6/6 | 2/10 | 3/9 | 0/1 | ||||
| Minnesota | |||||||||
| H. chrysoscelis | 4/5 | 1/4 | |||||||
| H. versicolor | 5/5 | 2/7 | |||||||
| Missouri | |||||||||
| H. chrysoscelis | 1/3 | ||||||||
| H. versicolor | 2/3 | ||||||||
| . | Temperature (°C) . | . | . | . | . | ||||
|---|---|---|---|---|---|---|---|---|---|
| Population/Species . | −3.5 . | −4.5 . | −5.5 . | −6.5 . | −7.5 . | ||||
| Indiana | |||||||||
| H. chrysoscelis | 3/3 | 6/6 | 6/12 | 0/9 | |||||
| H. versicolor | 3/3 | 6/6 | 2/10 | 3/9 | 0/1 | ||||
| Minnesota | |||||||||
| H. chrysoscelis | 4/5 | 1/4 | |||||||
| H. versicolor | 5/5 | 2/7 | |||||||
| Missouri | |||||||||
| H. chrysoscelis | 1/3 | ||||||||
| H. versicolor | 2/3 | ||||||||
Frogs were not used in more than one experiment.