Table 5
Canonical loadings (i.e. correlations) for all populations between morphological traits and each canonical axis in the overall discriminant functional analysis (DFA) concerning the effect of latitude. Traits with correlations that are greater than or equal to an absolute value of 0.4 are considered to have biologically significant relationships (in boldface; McGarigal et al., 2000).
| Discriminant functional analysis | ||
|---|---|---|
| Morphometric characters | Axis 1 | Axis 2 |
| Pre-orbital distance | 0.629 | 0.128 |
| Maxilla length | 0.351 | 0.710 |
| Pre-dorsal distance | –0.276 | 0.667 |
| Pre-ventral distance | –0.323 | 0.520 |
| C-peduncle length | –0.266 | –0.427 |
| C-base fin length | –0.219 | 0.302 |
| Eigen value | 11.160 | 0.570 |
| Cumulative % of total variance explained | 89.700 | 94.300 |
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