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Effective management and conservation of wildlife populations require reliable estimates of population size, which can be difficult and costly to obtain. We evaluated how precision in estimates of herd size and abundance varies with sample size and strip width using two field surveys and bootstra...


Ogutu, J.Bhola, N.Piepho, Hans-PeterReid, Robin S.[Efficiency of strip- and line-transect surveys of African savanna mammals]Efficiency of strip- and line-transect surveys of African savanna mammals

1. Rainfall is the prime climatic factor underpinning the dynamics of African savanna ungulates,but no study has analysed its influence on the abundance of these ungulates at monthly to multiannual time scales. 2. We report relationships between rainfall and changes in age- and sex-structured ...


Ogutu, Joseph O.Peipho, H.P.Dublin, H.T.Bhola, N.Reid, Robin S.[Rainfall influences on ungulate population abundance in the Mara-Serengeti ecosystem]Rainfall influences on ungulate population abundance in the Mara-Serengeti ecosystem

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