Table 4
Results of general linear mixed models testing differences trophic position and δ13Ccorr between allopatry and sympatry (“Context”) for brown trout (BT) and Atlantic salmon (AS), where fish length (“L”) was included as a fixed factor and site was the random variable.
| Species | Coefficient | F | P-value |
|---|---|---|---|
| BT ∼ TP | (Intercept) | 1187.29 | <0.001 |
| Context | 0.26 | 0.61 | |
| L | 3.10 | 0.08 | |
| BT∼ δ13Ccor | (Intercept) | 5.80 | 0.05 |
| Context | 2.24 | 0.14 | |
| L | 41.76 | <0.001 | |
| AS ∼ TP | (Intercept) | 643.87 | <0.001 |
| Context | 0.01 | 0.91 | |
| L | 0.01 | 0.94 | |
| AS ∼ δ13Ccor | (Intercept) | 0.09 | 0.78 |
| Context | 0.01 | 0.99 | |
| L | 4.10 | 0.05 |
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