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Title
Height and support use of three sympatric nocturnal lemurs in different habitats varying in disturbance on the Masoala Peninsula
Author(s)
Fenosoa, Zo Samuel Ella ;Sawyer, Rachel Mary ;Andrianarimisa, Aristide ;Razafindraibe, Hanta ;Rakotomanana, Hajanirina ;Donati, Giuseppe
Published
2018
Publisher
Lemur News
Abstract
Anthropogenic habitat disturbance of various levels is influencing many aspects of the ecology of lemur species. Yet, little is known concerning the effects of human-induced habitat disturbance on the habitat use of nocturnal lemurs. This two-month study (May-June 2014) aims to provide data on sympatric nocturnal lemurs’ ecological responses in term of habitat use to different levels of anthropogenic habitat disturbance in Masoala Peninsula, northeastern Madagascar. We used nightly observations on transects to collect data on height on tree, support size and support angle of mouse lemur Microcebus sp., the Moore’s woolly lemur Avahi mooreorum and the Scott’s sportive lemur Lepilemur scottorum in four forest types (primary lowland, primary littoral, selectively logged and agricultural mosaic forests). We found Microcebus sp. at lowest height in the agricultural mosaic forest. Avahi mooreorum was higher and frequently used medium and large support in primary lowland forest. Lepilemur scottorum showed no difference in height, support size and support angle used between forest types. Our results suggest that anthropogenic habitat disturbance had different effects on the species studied, reflecting their different adaptations to varying habitat characteristics. Given the ongoing forest destruction coupled with illegal extraction of important trees for lemurs like rosewood on Masoala Peninsula, habitat management is a key for conservation of Avahi mooreorum, Lepilemur scottorum and Microcebus sp. inhabiting the peninsula.
Keywords
habitat use;anthropogenic habitat disturbance;Avahi mooreorum;Lepilemur scottorum;Microcebus sp.;Masoala
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PUB23982