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Comparing spatial capture-recapture modeling and nest count methods to estimate orangutan densities in the Wehea Forest, East Kalimantan, Indonesia

Stephanie N. Spehar, Auteur ; Brent Loken, Auteur ; Yaya Rayadin, Auteur ; J. Andrew Royle, Auteur

Dans Biological Conservation (191 NOV 2015)

Accurate information on the density and abundance of animal populations is essential for understanding species'. ecology and for conservation planning, but is difficult to obtain. The endangered orangutan (Pongo spp.) is an example; due to its e[...]

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Article

Opportunistic behaviour or desperate measure? Logging impacts may only partially explain terrestriality in the Bornean orang-utan Pongo pygmaeus morio

Brent Loken, Auteur ; Chandradewana Boer, Auteur ; Nunuk Kasyanto, Auteur

Dans Oryx (49(3) JUL 2015)

There is a lack of information on how the Endangered Bornean orang-utan Pongo pygmaeus morio moves through its environment. Here we report on a camera-trapping study carried out over 2.5 years to investigate the orang-utan's terrestrial behaviou[...]

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