The effects of geographic origin and acclimation temperature on the mean internal contraction ratios
| Region . | Month . | Acclimation temperature (°C) . | ICR . | s.e.m. . | N . |
|---|---|---|---|---|---|
| Florida | March | 20 | 2.32 | 0.47 | 12 |
| 10 | 2.57 | 0.65 | 11 | ||
| Maine | March | 20 | 2.06 | 0.24 | 12 |
| 10 | 2.51 | 0.39 | 16 | ||
| Massachusetts | September | 20 | 1.12 | 0.14 | 21 |
| 10 | 1.02 | 0.12 | 19 |
| Region . | Month . | Acclimation temperature (°C) . | ICR . | s.e.m. . | N . |
|---|---|---|---|---|---|
| Florida | March | 20 | 2.32 | 0.47 | 12 |
| 10 | 2.57 | 0.65 | 11 | ||
| Maine | March | 20 | 2.06 | 0.24 | 12 |
| 10 | 2.51 | 0.39 | 16 | ||
| Massachusetts | September | 20 | 1.12 | 0.14 | 21 |
| 10 | 1.02 | 0.12 | 19 |
ICR, mean internal contraction ratio.
For the clams tested in March, the ICRs are equal - see text for Pvalues from two-way ANOVA.
For the clams tested in September, the ICRs are also equal to each other.
s.e.m., standard error of mean; two-tailed P=0.11.