Comparison of Cminfor male and female Aphonopelma anax measured in this study with values determined from interspecific arthropod data(Lighton, 1985) and interspecific vertebrate and invertebrate data(Gatten et al., 1992)
| . | Cmin (μl CO2m-1) . | . | |
|---|---|---|---|
| . | Females (mass 15.72 g) . | Males (mass 6.91 g) . | |
| Empirical Cmin (this study) | 32.32 | 18.52 | |
| Predicted Cmin(Lighton, 1985) | 30.08 | 16.97 | |
| Predicted Cmin (Gatten et al., 1992) | 27.19 | 15.96 | |
| . | Cmin (μl CO2m-1) . | . | |
|---|---|---|---|
| . | Females (mass 15.72 g) . | Males (mass 6.91 g) . | |
| Empirical Cmin (this study) | 32.32 | 18.52 | |
| Predicted Cmin(Lighton, 1985) | 30.08 | 16.97 | |
| Predicted Cmin (Gatten et al., 1992) | 27.19 | 15.96 | |
Cmin predicted for a 6.91 g male and a 15.72 g female tarantula were converted from their original units toμlCO2m-1 using a respiratory quotient of 0.92 and joule/CO2 coefficients from Gessman and Nagy(1988).
Cmin, minimum cost of transport.