Berenty 2006: Census of Propithecus verreauxi and Possible Evidence of Population Stress

  title={Berenty 2006: Census of Propithecus verreauxi and Possible Evidence of Population Stress},
  author={Ivan Norscia and Elisabetta Palagi},
  journal={International Journal of Primatology},
  • I. Norscia, E. Palagi
  • Published 11 July 2008
  • Environmental Science
  • International Journal of Primatology
We provide a survey of a folivorous lemur, Propithecus verreauxi (sifaka), in the Berenty Reserve, southern Madagascar. Higher densities of folivores in small patches occur in either high-quality food areas or in less disturbed refugia. The skewness of sex ratio, which in lemurs is often male-biased, can be critically exacerbated in population stress. We predicted that sifaka would show higher densities in areas where protein-rich food is abundant (prediction 1a) and in refugium areas… 

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