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) | Seasons | Individual animals observed | Population density (km2) | Population estimate |
| Grassland (B-1) | Wet | 29 ± 10.6 | 0.10 ± 0.03 | 49 ± 9.6 | Dry | 14 ± 10.6 | 0.05 ± 0.02 | 24 ± 5.8 |
| Wetland (B-2) | Wet | 8 ± 4.9 | 0.00 ± 0.03 | 14 ± 9.6 | Dry | 15 ± 4.9 | 0.01 ± 0.02 | 26 ± 5.8 |
| Scattered vegetation with bushland (B-3) | Wet | 21 ± 8.5 | 0.10 ± 0.03 | 36 ± 9.6 | Dry | 9 ± 8.5 | 0.00 ± 0.02 | 15 ± 5.8 |
| Riverine forest (B-4) | Wet | 11 ± 8.5 | 0.00 ± 0.03 | 19 ± 9.6 | Dry | 23 ± 8.5 | 0.10 ± 0.02 | 39 ± 5.8 |
| Seasonal estimate | Wet season | 17 ± 8.12 | 0.20 ± 0.16 | 118 ± 9.6 | Dry season | 15 ± 2.5 | 0.25 ± 0.24 | 104 ± 5.8 | Overall estimate | Mean | 16 ± 5.31 | 0.23 ± 0.20 | 111 ± 7.7 |
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