Table 3.
Significance of tests to detect differences in zooplankton community and whale scat samples using different underlying distance matrices.
| Zooplankton | Season | Region | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ANOVA | PERMANOVA | ANOVA | PERMANOVA | |||||||||||
| D.F. | F-value | p-value | Bray | Jaccard | Uni-U | Uni-W | D.F. | F-value | p-value | Bray | Jaccard | Uni-U | Uni-W | |
| COI | 1, 21 | 5.249 | 0.042 | <0.001 | 0.001 | <0.001 | 0.025 | 2, 20 | 3.716 | 0.039 | 0.004 | 0.003 | 0.003 | 0.270 |
| 18S | 1, 22 | 0.353 | 0.559 | 0.032 | 0.047 | 0.032 | 0.005 | 2, 21 | 0.813 | 0.457 | 0.005 | 0.006 | 0.014 | 0.008 |
| Whale scat | ||||||||||||||
| COI | 1, 13 | 0.415 | 0.484 | 0.716 | 0.716 | 0.443 | 0.519 | 1, 12 | 0.003 | 0.776 | 0.114 | 0.086 | 0.041 | 0.550 |
| 18S | 1, 11 | 0.607 | 0.452 | 0.331 | 0.336 | 0.516 | 0.152 | 1, 9 | 0.037 | 0.851 | 0.229 | 0.322 | 0.476 | 0.651 |
ANOVA: D.F. reflects the degrees of freedom (between and within group), F-value and p-value of the ANOVA of the multivariate homogeneity of groups’ dispersions to test for significant differences in β diversity between season (cool or warm) and regions (Firth, Inner and Outer Gulf for zooplankton; Inner and Outer Gulf for whale scat and matched water control). PERMANOVA reflects the significance of multi-factorial (Season and Region) permutational multivariate analysis of variance, using different underlying data distance matrices reflecting OTU occurrence (Jaccard distance on presence/absence transformed data (Jaccard) and unweighted (Uni-U) UniFrac distance matrices) and relative read abundance (Bray-Curtis distance on fourth root transformed data (Bray); and weighted (Uni-W) UniFrac distance matrices).