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Spotted hyaena survival and density in a lion depleted ecosystem: The effects of prey availability, humans and competition between large carnivores in African savannahs

Biological Conservation, September 2016, Vol.201, pp.348-355 [Peer Reviewed Journal]

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  • Title:
    Spotted hyaena survival and density in a lion depleted ecosystem: The effects of prey availability, humans and competition between large carnivores in African savannahs
  • Author: M'Soka, Jassiel ; Creel, Scott ; Becker, Matthew S ; Droge, Egil
  • Found In: Biological Conservation, September 2016, Vol.201, pp.348-355 [Peer Reviewed Journal]
  • Subjects: Spotted Hyena ; African Lion ; Survival ; Robust Design ; Anthropogenic Effects ; Intraguild Competition ; Agriculture ; Biology ; Ecology
  • Language: English
  • Description: Interspecific competition between large carnivores is not well understood due to the complexity of carnivore guild dynamics and the array of ecological and human factors affecting them. The loss of a carnivore guild's dominant species can therefore provide considerable insights. We evaluated spotted hyaena density and demography from Zambia's Liuwa Plain National Park, a recovering ecosystem where the hyaena's main competitor, the African lion, was severely reduced to 3–5 animals. Using data from 233 individuals in five clans and mark-resight robust design models we estimated population size, density, age and sex-specific annual survival rates for the hyaena population from 2010 to 2013 and tested for the effect of human settlements, prey density, competition with lions and hyaena clan size on mean hyaena survival. We estimated a minimum density of 0.13 hyaenas/km and maximum density of 0.52 hyaenas/km . Density fluctuated with seasonal migrations...
  • Identifier: ISSN: 0006-3207 ; DOI: 10.1016/j.biocon.2016.07.011

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