Table 7 Results of generalized linear mixed model for testing the effect of δ13 C/δ15 N in the periphyton within territories and the effect of fish ecomorph on δ13 C/δ15 N of cichlid muscles
| Estimate | SE | DF | t value | p | |
|---|---|---|---|---|---|
| δ13C | |||||
| (Intercept) | 1.7 | 4.8 | 5.1 | 0.4 | NS |
| δ13C in periphyton | 1.1 | 0.4 | 5.1 | 3.0 | <0.05 |
| grazer in ecomorph | 0.6 | 1.6 | 5.0 | 0.4 | NS |
| scraper in ecomorph | 0.3 | 2.8 | 5.0 | 0.1 | NS |
| δ15N | |||||
| (Intercept) | 5.8 | 0.6 | 5.0 | 10.0 | <0.001 |
| δ15N in periphyton | 0.5 | 0.5 | 5.0 | 1.0 | NS |
| grazer in ecomorph | −0.6 | 0.6 | 5.0 | −0.9 | NS |
| scraper in ecomorph | −0.2 | 1.1 | 5.0 | −0.2 | NS |