Table 2. ANOVA results (F values) for bacterial group abundance.
| F-statistic parameter | Catchment (C) | Sampling date (S) | Water source (W) | C×S | C×W | S×W | C×S×W |
| EUBI-III | 7.49*** | 6.68** | 4.55* | 1.19 | 3.26* | 3.89* | 3.1* |
| VR | 4.68* | 0.4 | - | - | 0.85 | - | |
| L | 4.14* | 0.11 | - | - | 5.08* | - | |
| M | 0.16 | 0.49 | - | - | 1.64 | - | |
| BET | 20.22*** | 1.54 | 5.78* | 1.39 | 4.18* | 0.79 | 3.1 |
| VR | 3.49* | 1.02 | - | - | 1.06 | - | |
| L | 0.67 | 12.84** | - | - | 0.48 | - | |
| M | 5.44* | 3.14 | - | - | 0.59 | - | |
| Alph | 5.57** | 5.98** | 4.25* | 1.06 | 1.23 | 1.51 | 1.05 |
| VR | 2.73 | 5.79* | - | - | 2.3 | - | |
| L | 6.48** | 0.11 | - | - | 1.65 | - | |
| M | 3.35 | 0 | - | - | 0.37 | - | |
| CF | 8.26*** | 3.18* | 5.37* | 4.18** | 4.68* | 0.02 | 7.38*** |
| VR | 10.31*** | 10.89** | - | - | 9.61*** | - | |
| L | 1.87 | 0.76 | - | - | 1.4 | - | |
| M | 3.13 | 4.04 | - | - | 3.45 | - |
Catchment (C), Sampling date (S) and Water source (W) were used as independent variables.