Age group | Intercept (±SE) | Water velocity [m/s] (±SE) | Pebble size [cm] (±SE) | R |
Class 0 | (−3.15 ± 0.27)** | (−1.42 ± 0.30)** | 0.76 | |
Class 1 | (65.86 ± 3.41)** | (0.10 ± 0.03)** | 0.57 | |
Class 2 | (71.39 ± 4.43)** | (0.48 ± 0.21)* | 0.66 | |
Class 3 | (52.3 ± 4.36)** | (0.87 ± 0.26)* | 0.59 |