Table 2.
Variables associated with wild dog activity and distance traveled during night-time
| Period | Variable | Activity | Distance traveled (km) | Importance (Δ < 2, Δ < 5) | |||
|---|---|---|---|---|---|---|---|
| Estimate | 95% CI | Importance (Δ < 2, Δ < 5) | Estimate | 95% CI | |||
| All | Intercept | 0.71 | 0.5 to 0.9 | (2,3) | 0.71 | 0.3 to 1.0 | (3, 5) |
| Moonlight | 0.039 | 0.03 to 0.05 | 1.00 (2, 3) | 0.019 | 0.02 to 0.04 | 1.00 (3, 5) | |
| Maximum temperature (°C) | 0.050 | 0.04 to 0.06 | 1.00 (2, 3) | 0.033 | 0.02 to 0.04 | 0.97 (3, 5) | |
| Daily rainfall (mm) | 0.051 | 0.01 to 0.08 | 1.00 (2, 3) | 0.016 | − 0.03 to 0.06 | 0.71 (2, 4) | |
| Denning (Yes) | 0.72 | 0.2 to 1.2 | 1.00 (2, 3) | 0.54 | − 0.4 to1.6 | 1.00 (3, 5) | |
| Denning (Yes) : Maximum temperature | − 0.031 | − 0.05 to − 0.02 | 0.73 (1, 2) | − 0.063 | − 0.09 to − 0.03 | 0.53 (2, 2) | |
| Rainfall : Maximum temperature | − 0.0026 | − 0.004 to − 0.001 | 0.85 (2, 2) | − 0.0018 | − 0.004 to 0.0005 | 0.26 (1, 2) | |
| Denning | Intercept | 1.82 | 1.4 to 2.3 | (2,8) | 1.40 | 1.8 to 3.9 | (6, 10) |
| Moonlight | 0.039 | 0.03–0.05 | 1.00 (2, 8) | 0.0019 | − 0.01 to 0.01 | 0.31 (1, 4) | |
| Maximum temperature (°C) | 0.016 | − 0.3 to 0.004 | 0.57 (1, 6) | − 0.013 | − 0.05 to − 0.02 | 0.34 (2, 5) | |
| Daily rainfall (mm) | 0.0025 | − 0.023 to 0.028 | 0.29 (0, 4) | 0.00058 | − 0.04 to 0.04 | 0.20 (1, 3) | |
| Days at den | − 0.0094 | − 0.03 to 0.007 | 0.31 (0, 4) | 0.0015 | − 0.01 to 0.01 | 0.38 (2, 3) | |
| Pup Age | 0.00008 | − 0.0002 to 0.002 | 0.19 (0, 2) | – 0.000015 | − 0.002 to 0.002 | 0.15 (1,1 ) | |
| Maximum temperature : Days at den | 0.0014 | 0.0009 to 0.002 | 0.08 (0, 1) | 0.0028 | 0.001 to 0.004 | 0.01 (0, 0) | |
Average estimated effects of predictor variables on the distance traveled and average activity of wild dogs from dusk to dawn, for the data as a whole and whilst the dogs were denning, estimated using generalised linear mixed effects models. As residuals were gamma distributed the exponent of the values should be taken to obtain true estimates. Relative importance of each parameter is shown along with the number of models in the Δ < 2 and Δ < 5 model sets that contain each variable (n,n). Italicized cells indicate variables that were not in any of the models with delta < 5. Maximum temperature = maximum daily temperature (°C) during the 24-h period (dawn–dawn) and Daily rainfall = rainfall over 24-h period (mm). : denotes an interaction between two variables. Variables where no estimate is shown were not in the Δ < 2 or Δ < 5 model sets. Individual identity was included as a random variable