ArticlePrimates; journal of primatology2018
Population surveys of fork-marked dwarf lemurs and needle-clawed galagos.
Article in Primates; journal of primatology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
Fork-marked dwarf lemurs (Phaner spp.) of Madagascar and the needle-clawed galagos (Euoticus spp.) of Central-West Africa are two genera within the primate suborder Strepsirrhini. Despite their distant relationship, these genera share remarkably convergent anatomical, behavioural and ecological characteristics. However, like most nocturnal primates in sub-Saharan Africa they are poorly studied and little is known about the population estimates of both genera. I conducted surveys of wild populations of Phaner pallescens, P. parienti and P. furcifer in Madagascar as well as Euoticus elegantulus and E. pallidus in Cameroon. Six transects were established in Madagascar covering a total distance of 20 km, within which I encountered 52 fork-marked dwarf lemurs. In Cameroon three transects were established covering a total distance of 8.5 km, and 56 encounters of needle-clawed galagos were made. Population encounter rates of P. pallescens, P. parienti, P. furcifer, E. elegantulus and E. pallidus were 3.3, 2.4, 2.3, 9.9 and 8.3 individuals per kilometre, respectively. Compared to previous estimates of population encounter rates in other study sites, these values are lower. Low population encounter rates of fork-marked dwarf lemurs and needle-clawed galagos may be due to environmental and anthropogenic pressures at the study sites. Further ecological, behavioural and conservation studies are required for these genera.
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