Table 1 Multiple regression models fitted to the longitudinal and lateral positional error which was measured while manual tracking a hidden tag on a small stream in Banff National Park, AB, Canada, using the Gain Reduction Method
From: The Gain Reduction Method for manual tracking of radio-tagged fish in streams
Response variable | Model terms | βw | βw rank | SE | t | p |
|---|---|---|---|---|---|---|
Longitudinal positional error (m) | Lateral tag position (m) | 0.140 | 3 | 0.045 | 0.87 | 0.390 |
Stream depth (m) | 0.160 | 2 | 0.974 | 1.53 | 0.130 | |
Stream width (m) | − 0.087 | 4 | 0.060 | − 0.8 | 0.43 | |
Gain (dB) | 0.340 | 1 | 0.025 | 2.21 | 0.037 | |
Velocity (m/s) | − 0.082 | 5 | 0.449 | − 0.78 | 0.440 | |
Specific conductivity (μS/cm) | 0.012 | 6 | 0.003 | 0.12 | 0.905 | |
Lateral positional error (m) | Lateral tag position (m) | 0.45 | 1 | 0.076 | 3.00 | 0.004 |
Longitudinal error (m) | 0.35 | 2 | 0.180 | 3.2 | 0.001 | |
Stream depth (m) | 0.097 | 5 | 1.641 | 0.99 | 0.221 | |
Gain (dB) | − 0.150 | 4 | 0.042 | − 1.00 | 0.290 | |
Velocity (m/s) | 0.069 | 6 | 0.757 | 0.71 | 0.420 | |
Specific conductivity (μS/cm) | 0.191 | 3 | 0.004 | 2.00 | 0.047 |