Table 3 Results of statistical analyses (Linear Mixed Models and Generalised Linear Mixed Models) on the effect of fire condition (burned versus unburned) and sex, and their interaction, on the morphology, diet, movements and habitat use of cane toads (Rhinella marina).
From: Sex-based differences in the use of post-fire habitats by invasive cane toads (Rhinella marina)
Variable | Fire | Sex | Fire*sex | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
DF | Effect | P | DF | Effect | P | DF | Effect | P | ||
Body size | ||||||||||
† | Snout-urostyle length | 1, 10.78 | − 2.95 | 0.01 | 1, 1316.8 | − 0.16 | 0.88 | 2, 1305.3 | 0.72 | 0.47 |
† | Body mass | 1, 10.93 | − 2.71 | 0.02 | 1, 1316.9 | − 4.51 | 0.000001 | 2, 1305.9 | 2.60 | 0.01 |
Relative to body mass | ||||||||||
† | Body condition | 1, 9.02 | − 1.32 | 0.22 | 1, 1275.7 | 4.31 | 0.00002 | 2, 1182.2 | − 1.57 | 0.12 |
† | Fat mass | 1, 13.15 | 3.16 | 0.01 | 1, 443.2 | − 1.30 | 0.19 | 2, 430.9 | − 3.41 | 0.001 |
† | Stomach mass | 1, 8.56 | − 0.20 | 0.84 | 1, 460.6 | − 7.61 | 0.000001 | 2, 461.8 | 3.62 | 0.0003 |
† | Liver mass | 1, 9.55 | 1.20 | 0.26 | 1, 459.0 | 0.98 | 0.33 | 2, 460.0 | − 1.87 | 0.06 |
Number of prey items | ||||||||||
† | Total prey | 1, 11.16 | 0.34 | 0.74 | 1, 464.4 | − 5.11 | 0.000001 | 2, 462.0 | 1.71 | 0.09 |
† | Total prey groups | 1, 12.85 | − 0.32 | 0.76 | 1, 453.9 | − 5.04 | 0.000001 | 2, 445.6 | 1.38 | 0.17 |
§ | Coleopterans | − 0.07 | 0.95 | − 6.12 | 0.000001 | 2.17 | 0.03 | |||
§ | Debris | − 1.85 | 0.06 | − 3.79 | 0.0001 | 2.56 | 0.01 | |||
§ | Hymenopterans | 0.61 | 0.54 | − 2.18 | 0.03 | 0.59 | 0.56 | |||
§ | Larvae | 0.36 | 0.72 | − 0.27 | 0.79 | − 0.30 | 0.76 | |||
§ | Lepidopterans | − 0.19 | 0.85 | − 3.63 | 0.0003 | 2.19 | 0.03 | |||
§ | Myriapods | − 1.34 | 0.18 | − 4.64 | 0.000001 | 2.63 | 0.01 | |||
§ | Orthopterans | − 1.68 | 0.09 | − 0.28 | 0.78 | 0.28 | 0.78 | |||
§ | Other prey | 0.30 | 0.77 | − 0.99 | 0.32 | 0.48 | 0.63 | |||
§ | Spiders | 0.99 | 0.32 | − 0.50 | 0.62 | 0.07 | 0.95 | |||
Characteristics of refuges | ||||||||||
Distance/height | ||||||||||
† | Distance to road | 1, 13.63 | 1.39 | 0.19 | 1, 53.26 | 2.20 | 0.03 | 2, 51.98 | − 2.82 | 0.01 |
† | Distance to water | 1, 9.14 | − 2.15 | 0.06 | 1, 49.10 | − 2.26 | 0.03 | 2, 47.21 | 1.06 | 0.30 |
† | Canopy height | 1, 11.98 | − 1.75 | 0.11 | 1, 49.77 | − 2.03 | 0.05 | 2, 48.51 | 0.41 | 0.69 |
† | Understory height | 1, 5.27 | 0.36 | 0.73 | 1, 43.97 | 0.40 | 0.69 | 2, 44.57 | − 0.02 | 0.98 |
† | Grass height | 1, 15.64 | − 1.58 | 0.13 | 1, 53.30 | − 1.75 | 0.09 | 2, 52.12 | 1.99 | 0.05 |
Percentage cover | ||||||||||
† | Canopy | 1, 11.62 | 0.18 | 0.86 | 1, 51.28 | − 1.30 | 0.20 | 2, 53.03 | − 1.15 | 0.26 |
† | Understory | 1, 13.53 | − 0.57 | 0.58 | 1, 51.76 | − 1.29 | 0.20 | 2, 51.06 | 0.90 | 0.37 |
† | Bare ground and road | 1, 9.92 | − 0.42 | 0.68 | 1, 51.76 | 0.49 | 0.62 | 2, 49.12 | − 1.08 | 0.29 |
† | Grass | 1, 11.17 | − 0.72 | 0.49 | 1, 51.58 | − 1.61 | 0.11 | 2, 49.31 | 3.35 | 0.002 |
† | Leaf litter | 1, 10.26 | 0.59 | 0.57 | 1, 51.86 | − 0.16 | 0.87 | 2, 49.38 | − 2.13 | 0.04 |
† | Mud | 1, 9.16 | 0.21 | 0.84 | 1, 51.41 | − 0.69 | 0.49 | 2, 48.37 | 0.08 | 0.94 |
† | Rock | 1, 12.58 | − 1.16 | 0.27 | 1, 53.25 | 2.49 | 0.02 | 2, 51.34 | − 2.07 | 0.04 |
† | Water | 1, 14.40 | 1.97 | 0.07 | 1, 51.92 | − 0.22 | 0.82 | 2, 53.20 | 0.58 | 0.56 |
† | Wood | 1, 14.47 | − 0.03 | 0.98 | 1, 53.14 | 1.18 | 0.25 | 2, 52.93 | − 2.04 | 0.05 |
Other | ||||||||||
§§ | Number of stems | − 1.55 | 0.12 | − 1.74 | 0.08 | 1.15 | 0.25 | |||
§§ | Number of trunks | − 3.24 | 0.001 | − 1.40 | 0.16 | − 0.08 | 0.94 | |||
† | Toad percent visible | 1, 15.09 | − 0.92 | 0.37 | 1, 53.17 | − 0.99 | 0.33 | 2, 52.21 | − 0.20 | 0.84 |
† | Refuge temperature | 1, 9.26 | − 1.17 | 0.27 | 1, 51.72 | − 0.62 | 0.54 | 2, 48.24 | 2.70 | 0.01 |
Telemetry | ||||||||||
† | Change in shelter sites | 1, 13.62 | − 0.09 | 0.93 | 1, 52.74 | − 2.28 | 0.03 | 2, 52.12 | 1.16 | 0.25 |
† | Distance since previous day | 1, 12.37 | − 0.90 | 0.39 | 1, 51.64 | − 2.46 | 0.02 | 2, 48.90 | 1.26 | 0.22 |
† | Maximum distance in a day | 1, 12.89 | − 0.25 | 0.81 | 1, 52.91 | − 1.84 | 0.07 | 2, 51.85 | 1.47 | 0.15 |
† | Mean displacement per day | 1, 12.54 | − 0.55 | 0.59 | 1, 52.96 | − 1.94 | 0.06 | 2, 52.24 | 1.58 | 0.12 |
† | Path straightness | 1, 7.70 | − 0.73 | 0.49 | 1, 28.59 | − 0.55 | 0.59 | 2, 40.63 | 0.72 | 0.47 |
† | Total displacement | 1, 12.47 | − 0.59 | 0.57 | 1, 52.98 | − 1.94 | 0.06 | 2, 51.30 | 1.59 | 0.12 |
† | Total distance | 1, 12.67 | − 0.25 | 0.81 | 1, 52.98 | − 1.92 | 0.06 | 2, 51.66 | 1.32 | 0.19 |