Table 1.
Multivariate regressions on skull shape for all specimens and adults only.
| Df | SS | MS | R2 | F | Z | p value | |
|---|---|---|---|---|---|---|---|
| All specimens | |||||||
| Taxonomy | 6.000 | 0.050 | 0.008 | 0.241 | 22.224 | 13.625 | 0.001 |
| Age | 4.000 | 0.018 | 0.005 | 0.087 | 10.188 | 8.899 | 0.001 |
| Taxonomy × age | 11.000 | 0.005 | 0.000 | 0.026 | 1.447 | 2.186 | 0.013 |
| Sex | 1.000 | 0.005 | 0.005 | 0.023 | 9.987 | 4.421 | 0.001 |
| Taxonomy × sex | 6.000 | 0.002 | 0.000 | 0.012 | 1.120 | 0.577 | 0.266 |
| Size | 1.000 | 0.027 | 0.027 | 0.128 | 63.389 | 8.590 | 0.001 |
| Size × taxonomy | 6.000 | 0.005 | 0.001 | 0.024 | 2.366 | 3.596 | 0.001 |
| Habitat | 7.000 | 0.017 | 0.002 | 0.107 | 5.896 | 7.307 | 0.001 |
| Taxonomy × habitat | 9.000 | 0.004 | 0.000 | 0.028 | 1.420 | 1.758 | 0.041 |
| Latitude | 1.000 | 0.007 | 0.007 | 0.031 | 14.011 | 5.022 | 0.001 |
| Longitude | 1.000 | 0.009 | 0.009 | 0.042 | 18.899 | 5.154 | 0.001 |
| Adults | |||||||
| Taxonomy | 6.000 | 0.026 | 0.004 | 0.243 | 11.891 | 9.864 | 0.001 |
| Sex | 1.000 | 0.003 | 0.003 | 0.031 | 7.170 | 3.804 | 0.001 |
| Taxonomy × sex | 6.000 | 0.002 | 0.000 | 0.021 | 1.009 | 0.224 | 0.408 |
| Size | 1.000 | 0.016 | 0.016 | 0.149 | 40.545 | 6.374 | 0.001 |
| Size × taxonomy | 6.000 | 0.003 | 0.001 | 0.032 | 1.724 | 2.419 | 0.008 |
| Habitat | 6.000 | 0.010 | 0.002 | 0.146 | 4.478 | 6.132 | 0.001 |
| Taxonomy × habitat | 4.000 | 0.002 | 0.000 | 0.027 | 1.460 | 1.364 | 0.092 |
| Latitude | 1.000 | 0.004 | 0.004 | 0.040 | 9.697 | 4.500 | 0.001 |
| Longitude | 1.000 | 0.005 | 0.005 | 0.044 | 10.670 | 4.595 | 0.001 |
Significant values are in bold.