Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.

Ecological studies of orangutans have almost exclusively focused on populations living in primary or selectively logged rainforest. The response of orangutans to severe habitat degradation remains therefore poorly understood. Most experts assume that viable populations cannot survive outside undistu...

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Autores principales:	Erik Meijaard, Guillaume Albar, Nardiyono, Yaya Rayadin, Marc Ancrenaz, Stephanie Spehar
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2010
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3ee112f72dc1419699f9cfafb4044151
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spelling	oai:doaj.org-article:3ee112f72dc1419699f9cfafb40441512021-11-18T06:34:55ZUnexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.1932-620310.1371/journal.pone.0012813https://doaj.org/article/3ee112f72dc1419699f9cfafb40441512010-09-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20877646/?tool=EBIhttps://doaj.org/toc/1932-6203Ecological studies of orangutans have almost exclusively focused on populations living in primary or selectively logged rainforest. The response of orangutans to severe habitat degradation remains therefore poorly understood. Most experts assume that viable populations cannot survive outside undisturbed or slightly disturbed forests. This is a concern because nearly 75% of all orangutans live outside protected areas, where degradation of natural forests is likely to occur, or where these are replaced by planted forests. To improve our understanding of orangutan survival in highly altered forest habitats, we conducted population density surveys in two pulp and paper plantation concessions in East Kalimantan, Indonesia. These plantations consist of areas planted with fast-growing exotics intermixed with stands of highly degraded forests and scrublands. Our rapid surveys indicate unexpectedly high orangutan densities in plantation landscapes dominated by Acacia spp., although it remains unclear whether such landscapes can maintain long-term viable populations. These findings indicate the need to better understand how plantation-dominated landscapes can potentially be incorporated into orangutan conservation planning. Although we emphasize that plantations have less value for overall biodiversity conservation than natural forests, they could potentially boost the chances of orangutan survival. Our findings are based on a relatively short study and various methodological issues need to be addressed, but they suggest that orangutans may be more ecologically flexible than previously thought.Erik MeijaardGuillaume AlbarNardiyonoYaya RayadinMarc AncrenazStephanie SpeharPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 5, Iss 9, p e12813 (2010)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Erik Meijaard Guillaume Albar Nardiyono Yaya Rayadin Marc Ancrenaz Stephanie Spehar Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.
description	Ecological studies of orangutans have almost exclusively focused on populations living in primary or selectively logged rainforest. The response of orangutans to severe habitat degradation remains therefore poorly understood. Most experts assume that viable populations cannot survive outside undisturbed or slightly disturbed forests. This is a concern because nearly 75% of all orangutans live outside protected areas, where degradation of natural forests is likely to occur, or where these are replaced by planted forests. To improve our understanding of orangutan survival in highly altered forest habitats, we conducted population density surveys in two pulp and paper plantation concessions in East Kalimantan, Indonesia. These plantations consist of areas planted with fast-growing exotics intermixed with stands of highly degraded forests and scrublands. Our rapid surveys indicate unexpectedly high orangutan densities in plantation landscapes dominated by Acacia spp., although it remains unclear whether such landscapes can maintain long-term viable populations. These findings indicate the need to better understand how plantation-dominated landscapes can potentially be incorporated into orangutan conservation planning. Although we emphasize that plantations have less value for overall biodiversity conservation than natural forests, they could potentially boost the chances of orangutan survival. Our findings are based on a relatively short study and various methodological issues need to be addressed, but they suggest that orangutans may be more ecologically flexible than previously thought.
format	article
author	Erik Meijaard Guillaume Albar Nardiyono Yaya Rayadin Marc Ancrenaz Stephanie Spehar
author_facet	Erik Meijaard Guillaume Albar Nardiyono Yaya Rayadin Marc Ancrenaz Stephanie Spehar
author_sort	Erik Meijaard
title	Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.
title_short	Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.
title_full	Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.
title_fullStr	Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.
title_full_unstemmed	Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.
title_sort	unexpected ecological resilience in bornean orangutans and implications for pulp and paper plantation management.
publisher	Public Library of Science (PLoS)
publishDate	2010
url	https://doaj.org/article/3ee112f72dc1419699f9cfafb4044151
work_keys_str_mv	AT erikmeijaard unexpectedecologicalresilienceinborneanorangutansandimplicationsforpulpandpaperplantationmanagement AT guillaumealbar unexpectedecologicalresilienceinborneanorangutansandimplicationsforpulpandpaperplantationmanagement AT nardiyono unexpectedecologicalresilienceinborneanorangutansandimplicationsforpulpandpaperplantationmanagement AT yayarayadin unexpectedecologicalresilienceinborneanorangutansandimplicationsforpulpandpaperplantationmanagement AT marcancrenaz unexpectedecologicalresilienceinborneanorangutansandimplicationsforpulpandpaperplantationmanagement AT stephaniespehar unexpectedecologicalresilienceinborneanorangutansandimplicationsforpulpandpaperplantationmanagement
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Unexpected ecological resilience in Bornean orangutans and implications for pulp and paper plantation management.

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