3.4. Movements of wild suids across NGR boundaries
Pig count data: The mean number of bushpigs crossing the fence in wet season (0.56 pigs/day, Table 5) was 11 times lower than the mean number observed in dry season (6.348 pigs/day, Table 5) and this difference was statistically significant (P < 0.0001). Similarly, the mean number of warthogs crossing the fence was significantly lower during the wet season (10.26 pigs/day, Table 5) compared to the dry season (15.4 pigs/day, Table 5) (P =0.03).
Crossing event data: Bushpigs crossed the reserve fence at a significantly higher rate (0.0592 events/site/day, Table 5) (P<0.0001) during the dry season survey than during the wet season survey (0.0066 events/site/day). Warthogs had a similar trend as bushpigs. However, there was no seasonal effect in the number of warthog crossing events (0.036 events/site/day,) during the dry season survey and (0.028 events/site/day) in wet season survey (Table 5). Bushpigs crossed the western section at a significantly higher rate than the south-eastern section in both dry (1.592 pigs/day) (P<0.0001) and wet (0.1389 pigs/day)(P=0.0315) seasons. In the wet season no bushpigs crossed through the eastern fence. Warthogs showed a similar trend although the differences are not statistically significant (Table 5).