Research Article

Population Ecology and Possible Threats to Defassa Waterbuck (Kobus Ellipsiprymnus Defassa) in the Nechsar National Park, Ethiopia

Table 2

Population estimate of waterbuck in the Nechsar national park (Mean ± SD).

Habitats (blocks)SeasonsIndividual animals observedPopulation density (km2)Population estimate

Grassland (B-1)Wet29 ± 10.60.10 ± 0.0349 ± 9.6
Dry14 ± 10.60.05 ± 0.0224 ± 5.8

Wetland (B-2)Wet8 ± 4.90.00 ± 0.0314 ± 9.6
Dry15 ± 4.90.01 ± 0.0226 ± 5.8

Scattered vegetation with bushland (B-3)Wet21 ± 8.50.10 ± 0.0336 ± 9.6
Dry9 ± 8.50.00 ± 0.0215 ± 5.8

Riverine forest (B-4)Wet11 ± 8.50.00 ± 0.0319 ± 9.6
Dry23 ± 8.50.10 ± 0.0239 ± 5.8

Seasonal estimateWet season17 ± 8.120.20 ± 0.16118 ± 9.6
Dry season15 ± 2.50.25 ± 0.24104 ± 5.8
Overall estimateMean16 ± 5.310.23 ± 0.20111 ± 7.7