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Few studies have investigated how free-ranging wild herbivores adjust their food intake rate and nutrient gains during the dry season. Our study focused on the largest extant grazer, the white rhinoceros (Ceratotherium simum Burchell 1817). Field measurements were made on changes in bite mass, bi...


Shrader, A.M.Owen-Smith, N.Ogutu, J.[How a mega-grazer copes with the dry season: Food and nutrient intake rates by white rhinoceros in the wild]How a mega-grazer copes with the dry season: Food and nutrient intake rates by white rhinoceros in the wild

Understanding long-term climatic variability is basic to wise management and conservation of biodiversity. We analysed temporal variations in the local rainfall, temperature, Normalized Difference Vegetation Index and the hemispheric El Nin˜ o-Southern Oscillation (ENSO), using the Southern Oscil...


Ogutu, J.Piepho, Hans-PeterDublin, H.T.Bhola, N.Reid, Robin S.[Enso, rainfall, temperature and NDVI fluctuations in the Mara-Serengeti ecosystem]Enso, rainfall, temperature and NDVI fluctuations in the Mara-Serengeti ecosystem

Through reconciling census totals with population structure, annual survival rates were estimated for the juvenile, yearling and adult stages of 10 ungulate species over 14 years or longer in South Africa's Kruger National Park. During this period four species maintained high abundance levels, wh...


Owen-Smith, N.Mason, D.R.Ogutu, J.[Correlates of survival rates for 10 African ungulate populations: density, rainfall and predation]Correlates of survival rates for 10 African ungulate populations: density, rainfall and predation

The overlap of large carnivores, livestock and people can engender conflicts that often threaten the future viability of carnivore populations in the pastoral systems of Africa. A playback survey of lions Panthera leo, spotted hyenas Crocuta crocuta and black-backed jackals Canis mesomelas and a ...


Ogutu, J.Bhola, N.Reid, Robin S.[The effects of pastoralism and protection on the density and distribution of carnivores and their prey in the Mara ecosystem of Kenya]The effects of pastoralism and protection on the density and distribution of carnivores and their prey in the Mara ecosystem of Kenya

Accurate estimation of wildlife population size is central to effective management and conservation but is notoriously difficult for rare and cryptic carnivores. Mark-recapture methods can reliably estimate the abundance of large carnivores but are sensitive to departures from the assumption of e...


Ogutu, J.Piepho, Hans-PeterDublin, H.T.Reid, Robin S.Bhola, N.[Application of mark-recapture methods to lions: Satisfying assumptions by using covariates to explain heterogeneity]Application of mark-recapture methods to lions: Satisfying assumptions by using covariates to explain heterogeneity

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

This paper examines the effects of wildlife tourism-based payments for ecosystem services (PES) on poverty, wealth inequality and the livelihoods of herders in the Maasai Mara Ecosystem in south-western Kenya. It uses the case of Olare Orok Conservancy PES programme in which pastoral landowners h...


Osano, P.M.Said, Mohammed YahyaLeeuw, Jan deNdiwa, Nicholas N.Kaelo, D.Schomers, S.Birner, R.Ogutu, J.[Why keep lions instead of livestock? Assessing wildlife-tourism based payment for ecosystem services involving herders in the Maasai Mara, Kenya]Why keep lions instead of livestock? Assessing wildlife-tourism based payment for ecosystem services involving herders in the Maasai Mara, Kenya

We developed a “continual engagement” model to better integrate knowledge from policy makers, communities, and researchers with the goal of promoting more effective action to balance poverty alleviation and wildlife conservation in 4 pastoral ecosystems of East Africa. The model involved the crea...


Reid, Robin S.Nkedianye, D.Said, Mohammed YahyaKaelo, D.Neselle, M.O.Makui, O.Onetu, L.Kiruswa, S.Ole Kamuaroa, N.Kristjanson, Patricia M.Ogutu, J.BurnSilver, S.B.Goldman, M.J.Boone, Randall B.Galvin, K.A.Dickson, N.M.Clark, W.C.[Evolution of models to support community and policy action with science: Balancing pastoral livelihoods and wildlife conservation in savannas of East Africa]Evolution of models to support community and policy action with science: Balancing pastoral livelihoods and wildlife conservation in savannas of East Africa

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