Table 1. P-values associated with nonparametric regression with environmental pressures against shape change (PCs).
| PC | Ridge | Perimeter | Ridge and Perimeter | Surface |
|---|---|---|---|---|
| 1 | 0.997 | 0.966 | 0.986 | 0.992 |
| 2 | 0.470 | 0.024 | 0.030 | 0.156 |
| 3 | 0.974 | 0.020 | 0.260 | 0.536 |
| 4 | 0.414 | 0.831 | 0.994 | 0.995 |