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Social factors enhancing foraging success of a wild group of Japanese macaques (Macaca fuscata) in a patchy food environment

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Title: Social factors enhancing foraging success of a wild group of Japanese macaques (Macaca fuscata) in a patchy food environment
Authors: Kazahari, Nobuko Browse this author
Agetsuma, Naoki Browse this author →KAKEN DB
Keywords: food competition
group foraging
intake speed
patch quality
patch use
social facilitation
Issue Date: 2008
Publisher: Brill
Journal Title: Behaviour
Volume: 145
Issue: 6
Start Page: 843
End Page: 860
Publisher DOI: 10.1163/156853908783929188
Abstract: We evaluated the effects of social factors and food quality on patch use by a wild group of Japanese macaques (Macaca fuscata) that experienced no inter-group feeding competition or predation risk. We obtained the following results: (1) Food patch depletion and within-group scramble competition for food apparently did not affect patch use. (2) Within-group contest competition (aggressive interactions related to social-dominance rank) also did not strongly affect patch use. (3) The number of co-feeders in the same patch consistently showed positive effects on patch use, while food quality did not have consistent effects. These results suggest that the presence of co-feeders enhances foraging success in a patchy food environment.
Type: article (author version)
URI: http://hdl.handle.net/2115/51736
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 揚妻 直樹

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