Declining orangutan encounter rates from Wallace to the present suggest the species was once more abundant.
<h4>Background</h4>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 sho...
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| Auteurs principaux: | , , , , , |
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| Format: | article |
| Langue: | EN |
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Public Library of Science (PLoS)
2010
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| Accès en ligne: | https://doaj.org/article/633292ba41654df7a60c4dac724e3296 |
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