Lemur population surveys in the Kianjavato region

Holmes, Sheila M.; Yaney-Keller, Adam M.; Rafidimanana, Daniel V.; Andrianantenaina, Harisoa M.; Louis Jr., Edward E.; Johnson, Steig E.
January 2015
Lemur News;2015, Vol. 19, p9
Academic Journal
This study serves as the first systematic assessment of lemur populations in the Kianjavato region. Line transects were used to survey populations of lemurs in seven forest fragments, during both night and day. Encounter rates varied across forest fragments, with more disturbed areas having lower encounter rates than areas with ongoing conservation efforts. The presence of two Critically Endangered species in more than one forest fragment is promising for conservation efforts, though the lack of sightings of one reportedly present species, Milne-Edward's Sifaka Propithecus edwardsi, indicates possible extirpation from the area. Further surveys will aim to acquire sufficient sightings for accurate population density calculations of all species.


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