Table 3.
δ 13 C | |||||
---|---|---|---|---|---|
Ecomorph | Estimate | SE | DF | t value | p |
Intercept (browser) | −13.17 | 1.20 | 6.4 | −10.98 | <0.001 |
grazer | −1.24 | 1.61 | 6.4 | −0.77 | NS |
scraper | 3.12 | 2.63 | 5.9 | 1.19 | NS |
Post-hoc test | Estimate | SE | z value | p | |
grazer-browser | −1.24 | 1.61 | −0.77 | NS | |
scraper-browser | 3.12 | 2.63 | 1.19 | NS | |
scraper-grazer | 4.36 | 2.57 | 1.69 | NS | |
δ 15 N | |||||
Ecomorph | Estimate | SE | DF | t value | p |
Intercept (browser) | −0.81 | 0.30 | 7.0 | −2.70 | <0.05 |
grazer | −0.57 | 0.41 | 7.2 | −1.41 | NS |
scraper | −1.17 | 0.65 | 6.1 | −1.80 | NS |
Post-hoc test | Estimate | SE | z value | p | |
grazer-browser | −0.57 | 0.41 | −1.41 | NS | |
scraper-browser | −1.17 | 0.65 | −1.80 | NS | |
scraper-grazer | −0.59 | 0.64 | −0.93 | NS |
Species are included as a nested factor of ecomorph. SE, standard error; DF, degree of freedom; NS, not significant.