Table 5. PERMANOVA pair-wise comparisons of bacterial community composition based on Bray-Curtis dissimilarities of OTUs (16S ribosomal amplicon pyrosequencing; ‘no dilution’ and ‘serial dilution’).
| Comparison | no dilution | serial dilution | ||
| pH in situ vs. 7.67 | t (perm) | p (perm) 1 | t (perm) 1 | p (perm) 1 |
| spring | 2.3732 | 0.009 | 1.5667 | 0.039 |
| summer | 1.1759 | 0.042 | 1.9808 | 0.013 |
| autumn | 1.5233 | 0.005 | 1.2019 | 0.146 |
| winter | 1.3372 | 0.008 | 3.7336 | 0.013 |
1
Significant results (p (perm)<0.05) are highlighted in bold.
Displayed are pair-wise a posteriori comparisons of the factor ‘pH’ within ‘season’-‘dilution’ combinations for ‘no dilution’ and ‘serial dilution’ treatments, with at least 125 unique permutations per comparison.