Declining Orangutan Encounter Rates from Wallace to the Present Suggest the Species Was Once More Abundant

BACKGROUND: Bornean orangutans (Pongo pygmaeus) currently occur at low densities and seeing a wild one is a rare event. Compared to present low encounter rates of orangutans, it is striking how many orangutan each day historic collectors like Alfred Russel Wallace were able to shoot continuously ove...

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Detaylı Bibliyografya
Asıl Yazarlar: Meijaard, Erik, Welsh, Alan, Ancrenaz, Marc, Wich, Serge, Nijman, Vincent, Marshall, Andrew J.
Materyal Türü: Artigo
Dil:Inglês
Baskı/Yayın Bilgisi: Public Library of Science 2010
Konular:
Research Article
Online Erişim:https://ncbi.nlm.nih.gov/pmc/articles/PMC2920314/
https://ncbi.nlm.nih.gov/pubmed/20711451
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0012042
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