Table 1. Analysis of Similarity Statistics (ANOSIM) test for significant differences between quarterly groupings in AS overall microbial community compositions.
A priori grouping strategy was based on the result of principal coordinates analysis (PCoA).
| Samples in different seasons | Significant difference | P-value |
|---|---|---|
| Global, with seasons nested | 0.72 | 0.001 |
| Summer vs. Fall | 0.66 | 0.001 |
| Summer vs. Winter | 0.98 | 0.001 |
| Summer vs. Spring | 0.93 | 0.001 |
| Fall vs. Winter | 1 | 0.001 |
| Fall vs. Spring | 0.87 | 0.001 |
| Winter vs. Spring | 0.33 | 0.001 |