Appendix 3
(A) Standardized coefficients of canonical discriminant functions 1–4. Numbers in bold indicate the largest absolute correlation between each food category and the discriminant functions. (B) Between-species ANOVA on Ranks (Kruskal–Wallis) for each of the four discriminant functions at 2 m depth. Equal letters indicate lack of significant differences (Dunn’s method, p < 0.05).
| Function | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| (A) Food category | ||||
| Aquatic insects | 0.74 | −0.06 | 0.07 | 0.37 |
| Galaxias maculatus | 0.54 | 0.39 | 0.10 | 0.20 |
| Terrestrial insects | −0.44 | −0.05 | −0.10 | −0.29 |
| Decapods | 0.39 | −0.04 | 0.03 | 0.10 |
| Big fish | 0.07 | 0.66 | 0.07 | −0.07 |
| Rodents | 0.07 | 0.61 | 0.07 | −0.08 |
| Pumice stones | 0.01 | 0.44 | −0.14 | 0.22 |
| Snails | −0.34 | 0.06 | 0.86 | 0.33 |
| Synthetic fragments | −0.31 | 0.03 | −0.29 | 0.68 |
| Plant fragments | −0.27 | 0.22 | −0.23 | 0.45 |
| Variance (%) | 59.26 | 19.47 | 14.12 | 6.53 |
| Accumulated variance (%) | 59.26 | 78.73 | 92.85 | 99.38 |
| Wilk’s lambda | 0.25 | 0.52 | 0.70 | 0.88 |
| Canonical correlation | 0.72 | 0.51 | 0.45 | 0.32 |
| (B) ANOVA on ranks | ||||
| O. hatcheri | a | ab | a | ab |
| P. trucha | bc | c | ad | a |
| WRT | ac | a | cd | b |
| ERT | a | ab | bc | ab |
| Brown trout | c | b | abc | ab |
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