Contrary to expectation, tiger density did not
significantly differ between the inside and outside of the park in
either year, leading us to reject hypothesis 1. However, tiger
density significantly increased inside the park from 2010 (3.51/
100 km2, 95% CI = 2.5–4.8) to 2011 (8.7/100 km2, 95% CI =
5.57–12.1) (Table 1). In both years, mean prey detection frequency
inside the park, which is considered to have some of the
highest ungulate densities in South Asia (23), did not significantly
differ from outside the park (Table 2).