Table 2. Eight-way ANOVA of effects of eight parameters (pandemic, boat traffic, water level, water flux, diel, month, season, year) on porpoise click detection-positive rate per minute.
| Source | Type III sum of squares | df | Mean square | F | P |
| Corrected model | 4 057.57 | 185 | 21.93 | 660.22 | 0.00 |
| Intercept | 5.63 | 1 | 5.63 | 169.53 | 0.00 |
| Pandemic | 2.46 | 1 | 2.46 | 73.99 | 0.00 |
| Boat traffic | 7.89 | 1 | 7.89 | 237.61 | 0.00 |
| Water level | 1.74 | 4 | 0.44 | 13.10 | 0.00 |
| Water flux | 4.20 | 1 | 4.20 | 126.35 | 0.00 |
| Diel | 4.59 | 2 | 2.29 | 69.04 | 0.00 |
| Month | 31.61 | 11 | 2.87 | 86.51 | 0.00 |
| Season | 35.61 | 3 | 11.87 | 357.31 | 0.00 |
| Year | 11.07 | 2 | 5.53 | 166.59 | 0.00 |
| Pandemic×boat traffic | 5.00 | 1 | 5.00 | 150.35 | 0.00 |
| Boat traffic×diel | 1.43 | 2 | 0.71 | 21.46 | 0.00 |
| Boat traffic×month | 3.18 | 11 | 0.29 | 8.69 | 0.00 |
| Water level×diel | 10.34 | 8 | 1.29 | 38.91 | 0.00 |
| Water level×month | 20.55 | 15 | 1.37 | 41.24 | 0.00 |
| Water level×year | 0.50 | 7 | 0.07 | 2.14 | 0.04 |
| Diel×month | 225.53 | 22 | 10.25 | 308.59 | 0.00 |
| Diel×season | 26.53 | 6 | 4.42 | 133.11 | 0.00 |
| Diel×year | 1.63 | 4 | 0.41 | 12.23 | 0.00 |
| Month×season | 29.81 | 1 | 29.81 | 897.28 | 0.00 |
| Month×year | 138.48 | 13 | 10.65 | 320.64 | 0.00 |
| Season×year | 186.70 | 6 | 31.12 | 936.68 | 0.00 |
| Water level×diel×month | 114.38 | 40 | 2.86 | 86.08 | 0.00 |
| Water level×diel×year | 3.84 | 16 | 0.24 | 7.23 | 0.00 |
| Diel×month×season | 16.39 | 2 | 8.19 | 246.62 | 0.00 |
| Error | 39 890.48 | 1 200 774 | 0.03 | ||
| Total | 45 686.00 | 1 200 960 | |||
| Corrected total | 43 948.05 | 1 200 959 |