Table 3.
The results of PERMANOVA (A) and pairwise-PERMANOVA (B) testing the differences in diet composition of juvenile and adult Lutjanus erythropterus (LE) and L. malabaricus (LM), using 9999 permutations.
| (A) Permanova | ||||
|---|---|---|---|---|
| df | SS | F Model | p | |
| Species | 1 | 6416 | 2.40 | 0.0039 |
| Life stage | 1 | 7667 | 2.87 | 0.0008 |
| Fullness of stomach | 1 | 3820 | 1.43 | 0.12 |
| Sp x Life stage | 1 | 8071 | 3.02 | 0.0025 |
| Residuals | 40 | 106770 | ||
| (B) Pairwise-PERMANOVA | ||||
| df | t | p | ||
| Inter-specific | Within Juvenile | 19 | 1.50 | 0.019 |
| Within Adult | 20 | 1.43 | 0.027 | |
| Intra-specific | Within LE | 19 | 1.43 | 0.031 |
| Within LM | 20 | 1.99 | 0.0019 | |
Fullness of stomach was incorporated into the analyses as a covariate in order to test its effect on diet composition. The tests were based on Jaccard coefficient matric for presence and absence (PA) datasets.