Table 2. A priori linear models exploring the effect of sex, time as a proxy for population density and prey biomass density on age at commencement of dispersal in subadult leopards in Phinda Game Reserve, South Africa, 2002–2012.
| Model | Model parameters | AICc | ΔAICc | w |
|---|---|---|---|---|
| Dispersal age | Density | 87.17 | 0 | 0.37 |
| null | 87.96 | 0.79 | 0.25 | |
| Sex + Density | 89.29 | 2.12 | 0.13 | |
| Prey biomass a | 90.22 | 3.06 | 0.08 | |
| Density + Prey biomass | 90.27 | 3.10 | 0.08 | |
| Sex | 90.74 | 3.57 | 0.06 | |
| Sex + Density + Prey biomass | 92.76 | 5.59 | 0.02 | |
| Sex + Prey biomass | 93.36 | 6.24 | 0.02 |
AICc = Akaike Information Criteria adjusted for small sample sizes; ΔAICc = (AICc)–(AICc)min; w = Akaike weight. Candidate models with ΔAICc < 2 (bold face) were used for model-coefficient averaging.
a Combined nyala, impala and warthog relative biomass density estimates derived from aerial count data in Phinda GR, 2002–2012.