Population structure and ecology of the African buffalo (Syncerus caffer Sparrman, 1779) in Chebera Churchura National Park, Ethiopia

摘要: An investigation of population structure and ecology the African buffalo (Syncerus caffer Sparrman, 1779) was carried out in Chebera Churchura National Park, Ethiopia during wet dry seasons 2005–2006. Sample counts buffaloes were an area 1,215 km 2 . The estimated 2,617 individuals. Males comprised 35.0%, while females 52.8% population. remaining 12% young both sexes all ages unknown sex. It difficult to categorize into male female field, as their primary sexual characteristics not easily visible. Male sex ratio 1.00 : 1.51. Age dominated by adults, which constituted 72.06% total Subadults 22.02%, accounted for 5.9% Larger herds up 27 individuals observed season smaller eight season. mean herd size 24.81 7.77, respectively. distributed four habitat types such grasslands, woodlands, montane forests riverine study area. They more vegetation Relative abundance food resources, green cover water availability major factors governing distribution present spent a greater proportion time feeding resting/ruminating activities. On average, 49.7% daytime feeding, 38.75% day on resting (lying down standing). Morning late afternoon activity peaks pronounced than