Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.

The Sumatran orangutan is currently listed by the IUCN as critically endangered and the Bornean species as endangered. Unless effective conservation measures are enacted quickly, most orangutan populations without adequate protection face a dire future. Two main strategies are being pursued to conse...

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Autores principales:	Howard B Wilson, Erik Meijaard, Oscar Venter, Marc Ancrenaz, Hugh P Possingham
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6601cec4f4774a749e7b6754bc2c4f61
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spelling	oai:doaj.org-article:6601cec4f4774a749e7b6754bc2c4f612021-11-25T06:08:32ZConservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.1932-620310.1371/journal.pone.0102174https://doaj.org/article/6601cec4f4774a749e7b6754bc2c4f612014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25025134/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203The Sumatran orangutan is currently listed by the IUCN as critically endangered and the Bornean species as endangered. Unless effective conservation measures are enacted quickly, most orangutan populations without adequate protection face a dire future. Two main strategies are being pursued to conserve orangutans: (i) rehabilitation and reintroduction of ex-captive or displaced individuals; and (ii) protection of their forest habitat to abate threats like deforestation and hunting. These strategies are often mirrored in similar programs to save other valued and endangered mega-fauna. Through GIS analysis, collating data from across the literature, and combining this information within a modelling and decision analysis framework, we analysed which strategy or combination of strategies is the most cost-effective at maintaining wild orangutan populations, and under what conditions. We discovered that neither strategy was optimal under all circumstances but was dependent on the relative cost per orangutan, the timescale of management concern, and the rate of deforestation. Reintroduction, which costs twelve times as much per animal as compared to protection of forest, was only a cost-effective strategy at very short timescales. For time scales longer than 10-20 years, forest protection is the more cost-efficient strategy for maintaining wild orangutan populations. Our analyses showed that a third, rarely utilised strategy is intermediate: introducing sustainable logging practices and protection from hunting in timber production forest. Maximum long-term cost-efficiency is achieved by working in conservation forest. However, habitat protection involves addressing complex conservation issues and conflicting needs at the landscape level. We find a potential resolution in that well-managed production forests could achieve intermediate conservation outcomes. This has broad implications for sustaining biodiversity more generally within an economically productive landscape. Insights from this analysis should provide a better framework to prioritize financial investments, and facilitate improved integration between the organizations that implement these strategies.Howard B WilsonErik MeijaardOscar VenterMarc AncrenazHugh P PossinghamPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 7, p e102174 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Howard B Wilson Erik Meijaard Oscar Venter Marc Ancrenaz Hugh P Possingham Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.
description	The Sumatran orangutan is currently listed by the IUCN as critically endangered and the Bornean species as endangered. Unless effective conservation measures are enacted quickly, most orangutan populations without adequate protection face a dire future. Two main strategies are being pursued to conserve orangutans: (i) rehabilitation and reintroduction of ex-captive or displaced individuals; and (ii) protection of their forest habitat to abate threats like deforestation and hunting. These strategies are often mirrored in similar programs to save other valued and endangered mega-fauna. Through GIS analysis, collating data from across the literature, and combining this information within a modelling and decision analysis framework, we analysed which strategy or combination of strategies is the most cost-effective at maintaining wild orangutan populations, and under what conditions. We discovered that neither strategy was optimal under all circumstances but was dependent on the relative cost per orangutan, the timescale of management concern, and the rate of deforestation. Reintroduction, which costs twelve times as much per animal as compared to protection of forest, was only a cost-effective strategy at very short timescales. For time scales longer than 10-20 years, forest protection is the more cost-efficient strategy for maintaining wild orangutan populations. Our analyses showed that a third, rarely utilised strategy is intermediate: introducing sustainable logging practices and protection from hunting in timber production forest. Maximum long-term cost-efficiency is achieved by working in conservation forest. However, habitat protection involves addressing complex conservation issues and conflicting needs at the landscape level. We find a potential resolution in that well-managed production forests could achieve intermediate conservation outcomes. This has broad implications for sustaining biodiversity more generally within an economically productive landscape. Insights from this analysis should provide a better framework to prioritize financial investments, and facilitate improved integration between the organizations that implement these strategies.
format	article
author	Howard B Wilson Erik Meijaard Oscar Venter Marc Ancrenaz Hugh P Possingham
author_facet	Howard B Wilson Erik Meijaard Oscar Venter Marc Ancrenaz Hugh P Possingham
author_sort	Howard B Wilson
title	Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.
title_short	Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.
title_full	Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.
title_fullStr	Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.
title_full_unstemmed	Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.
title_sort	conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/6601cec4f4774a749e7b6754bc2c4f61
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Conservation strategies for orangutans: reintroduction versus habitat preservation and the benefits of sustainably logged forest.

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