Comparison of thermoregulatory variables of bearded dragons during exposure to different oxygen concentrations across the different methodological trials
| Treatment . | O2 (%) . | Tb (°C) . | ΔTb 21%–4% . | LTbL (°C) . | HTbL (°C) . | RTb (°C) . |
|---|---|---|---|---|---|---|
| Ramping shuttle box | 21 | 34.7±0.7 | 2.3±1.5 | 33.5±1.0 | 35.9±0.5 | 2.3±1.0 |
| 4 | 32.5±1.7* | 30.1±2.4 | 34.7±1.5 | 4.6±1.8* | ||
| Extreme temperatures shuttle box | 21 | 33.2±1.4 | 4.3±2.0† | 30.7±2.0 | 35.0±1.3 | 4.3±2.1 |
| 4 | 29.3±2.3* | 27.6±2.6 | 32.2±2.3 | 4.6±2.4 | ||
| Thermal gradient | 21 | 34.9±1.6 | 2.6±2.3 | 33.4±1.5 | 36.2±1.2 | 2.8±1.3 |
| 4 | 32.4±1.7* | 30.6±1.7 | 34.1±1.5 | 3.4±1.5 |
| Treatment . | O2 (%) . | Tb (°C) . | ΔTb 21%–4% . | LTbL (°C) . | HTbL (°C) . | RTb (°C) . |
|---|---|---|---|---|---|---|
| Ramping shuttle box | 21 | 34.7±0.7 | 2.3±1.5 | 33.5±1.0 | 35.9±0.5 | 2.3±1.0 |
| 4 | 32.5±1.7* | 30.1±2.4 | 34.7±1.5 | 4.6±1.8* | ||
| Extreme temperatures shuttle box | 21 | 33.2±1.4 | 4.3±2.0† | 30.7±2.0 | 35.0±1.3 | 4.3±2.1 |
| 4 | 29.3±2.3* | 27.6±2.6 | 32.2±2.3 | 4.6±2.4 | ||
| Thermal gradient | 21 | 34.9±1.6 | 2.6±2.3 | 33.4±1.5 | 36.2±1.2 | 2.8±1.3 |
| 4 | 32.4±1.7* | 30.6±1.7 | 34.1±1.5 | 3.4±1.5 |
LTbL and HTbL were not statistically analysed in order to avoid type I error due to the dependence between these variables and RTb. †Significant influence of methodology on the decline in Tb during 4% O2 exposure. *Significant effect of 4% O2 exposure on the parameter of interest