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Journal Article 2011-01-15

Autor: Ogutu, Joseph O. Piepho, Hans-Peter Dublin, H.T. Bhola, N. Reid, Robin S.

Natality and recruitment govern animal population dynamics, but their responses to fluctuating resources, competition, predation, shifting habitat conditions, density feedback and diseases are poorly understood. To understand the influences of climatic and land use changes on population dynamics,...

Enlace original: https://cgspace.cgiar.org/handle/10568/3951

Investigación en Agricultura
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Ogutu, Joseph O. ,  Piepho, Hans-Peter ,  Dublin, H.T. ,  Bhola, N. ,  Reid, Robin S. ,  [Dynamics of births and juvenile recruitment in Mara-Serengeti ungulates in relation to climatic and land use changes] ,  Dynamics of births and juvenile recruitment in Mara-Serengeti ungulates in relation to climatic and land use changes
Journal Article 2010-01-15

Autor: Ogutu, Joseph O. Piepho, Hans-Peter Dublin, H.T. Bhola, N. Reid, Robin S.

We tested the hypothesis that ungulates time and synchronize births to match gestation and lactation with peak food availability and quality in seasonal environments, using ground counts of topi and warthog conducted over 174 months (July 1989–December 2003) in the Mara–Serengeti ecosystem. Durin...

Enlace original: https://cgspace.cgiar.org/handle/10568/468

Investigación en Agricultura
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Ogutu, Joseph O. ,  Piepho, Hans-Peter ,  Dublin, H.T. ,  Bhola, N. ,  Reid, Robin S. ,  [Rainfall extremes explain interannual shifts in timing and synchrony of calving in topi and warthog] ,  Rainfall extremes explain interannual shifts in timing and synchrony of calving in topi and warthog
Journal Article 2015-08-31

Autor: Dublin, H.T. Ogutu, Joseph O.

Context: The processes regulating ungulate populations have been the focus of numerous studies. For the African buffalo (Syncerus caffer Sparrman) population inhabiting the Mara–Serengeti ecosystem, rinderpest was the primary regulatory factor up to the mid-1960s. Following reduction of rinderpes...

Enlace original: https://cgspace.cgiar.org/handle/10568/75980

Investigación en Agricultura
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Dublin, H.T. ,  Ogutu, Joseph O. ,  [Population regulation of African buffalo in the Mara–Serengeti ecosystem] ,  Population regulation of African buffalo in the Mara–Serengeti ecosystem
Journal Article 2009-02-10

Autor: Ogutu, Joseph O. Piepho, Hans-Peter Dublin, H.T. Bhola, N. Reid, Robin S.

Animal population dynamics can be driven by changing climatic forcing, shifting habitat conditions, trophic interactions and anthropogenic influences. To understand these influences, we analyzed trends in populations of seven ungulate species counted during 15 years (1989–2003) of monthly monitor...

Enlace original: https://cgspace.cgiar.org/handle/10568/273

Investigación en Agricultura
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Ogutu, Joseph O. ,  Piepho, Hans-Peter ,  Dublin, H.T. ,  Bhola, N. ,  Reid, Robin S. ,  [Dynamics of Mara-Serengeti ungulates in relation to land use changes] ,  Dynamics of Mara-Serengeti ungulates in relation to land use changes
Journal Article 2008

Autor: Ogutu, Joseph O. Piepho, Hans-Peter Dublin, H.T. Bhola, N. Reid, S.

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 Niño-Southern Oscillation (ENSO), using the Southern Oscilla...

Enlace original: https://cgspace.cgiar.org/handle/10568/29982

Investigación en Agricultura
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Ogutu, Joseph O. ,  Piepho, Hans-Peter ,  Dublin, H.T. ,  Bhola, N. ,  Reid, S. ,  [El Niño-Southern Oscillation, rainfall, temperature and normalized difference vegetation index fluctuations in the Mara-Serengeti ecosystem] ,  El Niño-Southern Oscillation, rainfall, temperature and normalized difference vegetation index fluctuations in the Mara-Serengeti ecosystem
Journal Article 2008

Autor: Ogutu, J. Piepho, Hans-Peter Dublin, H.T. Bhola, N. Reid, Robin S.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/1746

Investigación en Agricultura
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Ogutu, J. ,  Piepho, Hans-Peter ,  Dublin, 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
Journal Article 2006

Autor: Ogutu, J. Piepho, Hans-Peter Dublin, H.T. Reid, Robin S. Bhola, N.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/33027

Investigación en Agricultura
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Ogutu, J. ,  Piepho, Hans-Peter ,  Dublin, 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
Journal Article 2008-04-14

Autor: Ogutu, Joseph O. Peipho, H.P. Dublin, H.T. Bhola, N. Reid, Robin S.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/1270

Investigación en Agricultura
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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
Journal Article 2014-03-20

Autor: Ogutu, Joseph O. Piepho, Hans-Peter Dublin, H.T.

Context: The timing and synchrony of births are important components of fitness among ungulates living in seasonal environments. Aims: We investigated the effects of rainfall variation on interannual variation in the timing, synchrony and prolificity of births for six African ungulate species in...

Enlace original: https://cgspace.cgiar.org/handle/10568/52343

Investigación en Agricultura
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Ogutu, Joseph O. ,  Piepho, Hans-Peter ,  Dublin, H.T. ,  [Responses of phenology, synchrony and fecundity of breeding by African ungulates to interannual variation in rainfall] ,  Responses of phenology, synchrony and fecundity of breeding by African ungulates to interannual variation in rainfall

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