Table 1 Model parameters, reference values and results of the local sensitivity analysis for a reintroduced wild dog population (initial condition: number of packs = 4; probability for a disperser group to leave release area = 0.4)
From: Establishment probability in newly founded populations
Parameter | Reference value | Sensitivity | |
|---|---|---|---|
+10% of parameter value | –10%of parameter value | ||
Reproduction in newly formed packs (p) | 0.33 | 2.07 | –0.22 |
Reproduction in established packs (p) | 0.66 | 7.62 | –4.24 |
Pack size (v) | 8.1 ± 1.1 | 0.20 | –0.37 |
Litter size (v) | 7.9 ± 0.8 | 3.63 | –3.16 |
Primary sex ratio (p) | 0.55 ± 0.06 | –0.62 | 2.11 |
Ecological capacity (v) | 62 | 1.76 | –0.16 |
Density dependence threshold (v) | 31* | 3.23 | –2.82 |
Dispersal in males (p) | 0.80* | –0.96 | 1.52 |
Dispersal in females (p) | 0.90* | –1.08 | 2.48 |
Disperser group size threshold (v) | 2* | 0.27 | –0.14 |
Pack formation (p) | 0.64 | 0.50 | –0.12 |
Dominant displacement (p) | 0.20 | 0.46 | –0.12 |
Mortality in male pups (p) | 0.07 ± 0.06 | –0.53 | 0.96 |
Mortality in female pups (p) | 0.16 ± 0.14 | –0.37 | 0.34 |
Mortality in yearling males (p) | 0.29 ± 0.14 | –0.53 | 1.67 |
Mortality in yearling females (p) | 0.20 ± 0.20 | –0.46 | 0.00 |
Mortality in young adult males (p) | 0.17 ± 0.08 | –1.39 | 1.83 |
Mortality in young adult females (p) | 0.01 ± 0.01 | –0.90 | 1.30 |
Mortality in old adult males (p) | 0.30 ± 0.16 | –0.19 | 2.23 |
Mortality in old adult females (p) | 0.22 ± 0.16 | –0.56 | 0.80 |
Dispersal mortality in males (p) | 0.45 | –1.67 | 1.61 |
Dispersal mortality in females (p) | 0.43 | –1.42 | 1.33 |
Longevity (v) | 9 | 1.73 | –2.12 |
Catastrophe occurrence (p) | 0.04 | –0.84 | 1.05 |
Catastrophe severity (p) | 0.42 | –1.89 | 3.28 |