Source | df | F | p | % of variance explained |
---|---|---|---|---|
δ15N value | ||||
 Group | 3 | 10.87 | < 0.001 | 3.70% |
 Site | 2 | 270.01 | < 0.001 | 60.60% |
 Group × site | 6 | 5.88 | < 0.001 | 4.00% |
 Residual | 283 |  |  | 31.80% |
δ13C value | ||||
 Group | 3 | 5.40 | 0.001 | 3.00% |
 Site | 2 | 108.41 | < 0.001 | 40.70% |
 Group × site | 6 | 2.68 | 0.015 | 3.00% |
 Residual | 283 |  |  | 53.20% |