Orangutan population biology, life history, and conservation: Perspectives from population viability analysis models

Andrew J. Marshall*, Robert Lacy, Marc Ancrenaz, Onnie Byers, Simon J. Husson, Mark Leighton, Erik Meijaard, Norm Rosen, Ian Singleton, Suzette Stephens, Kathy Traylor-Holzer, S. Suci Utami Atmoko, Carel P. Van Schaik, Serge A. Wich

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

66 Citations (Scopus)

Abstract

Orangutan populations are particularly susceptible to local extinction due to hunting, habitat loss, and fragmentation because they live at low population densities, grow slowly, and reproduce rarely. This chapter uses Population Viability Analysis (PVA) to consider the conservation implications of orangutan life history and population biology. First, a baseline model that incorporates the best available orangutan life-history data is presented. This model is then used to examine how plausible variation in model parameters, changes in the intensity of human-induced threats, and different conservation and management interventions would affect the probability of orangutan population persistence. The effects of existing threats on the extinction risk of specific orangutan populations on Borneo and Sumatra are also modelled. Finally, the conservation and management implications of this modeling exercise are considered.

Original languageEnglish
Title of host publicationOrangutans
Subtitle of host publicationGeographic Variation in Behavioral Ecology and Conservation
PublisherOxford University Press
ISBN (Electronic)9780191707568
ISBN (Print)9780199213276
DOIs
Publication statusPublished - 1 May 2009
Externally publishedYes

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