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OrangutansGeographic Variation in Behavioral Ecology and Conservation$
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Serge A. Wich, S Suci Utami Atmoko, Tatang Mitra Setia, and Carel P. van Schaik

Print publication date: 2008

Print ISBN-13: 9780199213276

Published to Oxford Scholarship Online: May 2009

DOI: 10.1093/acprof:oso/9780199213276.001.0001

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Geographic variation in orangutan diets

Geographic variation in orangutan diets

Chapter:
(p.135) CHAPTER 9 Geographic variation in orangutan diets
Source:
Orangutans
Author(s):

Anne E. Russon

Serge A. Wich

Marc Ancrenaz

Tomoko Kanamori

Cheryl D. Knott

Noko Kuze

Helen C. Morrogh-Bernard

Peter Pratje

Hatta Ramlee

Peter Rodman

Azrie Sawang

Kade Sidiyasa

Ian Singleton

Carel P. van Schaik

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199213276.003.0009

This chapter explores variation in orangutan diets across their range, based on food lists. The authors of the chapter consolidated orangutan food lists from all available long-term field sites (N = 15). They represent both islands, multiple habitat types, varied degrees of degradation, and wild and rehabilitant populations. The chapter assesses the effects of habitat productivity (island, habitat type, habitat degradation) and rehabilitant–wild status on food lists. Findings suggest inverse relationships between habitat productivity and total plant taxa eaten at a site, the intensity at which individual food taxa are used, and the proportion of plant food species from which important food types are eaten. Analyses also explore food lists to suggest medical plant use, cultural influences on food knowledge, and the relationship between orangutan and other great ape diets. Discussion concerns conceptual implications of findings, methodological limitations to using food lists in the study of diet, and conservation applications.

Keywords:   orangutan, Pongo, diet, food repertoires, frugivory, feeding ecology, great apes

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