Table 1.
Tiger population size and density (animals per 100 km2) calculated from spatially explicit capture–recapture models
| 2010 |
2011 |
|||||
| Parameter | Mean | SD | 95% CI | Mean | SD | 95% CI |
| Inside the park | ||||||
| Population size | 18.29 | 3.5 | 13–25 | 45.27 | 8.88 | 28–62 |
| Density | 3.51 | 0.67 | 2.5–4.8 | 8.7 | 1.71 | 5.57–12.10 |
| Outside the park | ||||||
| Population size | 16.84 | 5.45 | 7–27 | 13.46 | 4.90 | 4–22 |
| Density | 5.89 | 1.91 | 2.45–9.44 | 4.82 | 1.71 | 2.1–8.04 |
| Entire study site | ||||||
| Population size | 25.02 | 3.75 | 18–32 | 35.79 | 5.52 | 25–46 |
| Density | 4.44 | 0.66 | 3.19–5.67 | 6.35 | 0.98 | 4.61–8.33 |
Estimates of tiger density inside and outside of the park are not independent from one another for two reasons: the model sampling regions overlap, and one tiger was present in both regions.