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Seasonal variation in the diet and activity budget of the northern yellow-cheeked crested gibbon Nomascus annamensis

Frechette, Jackson L; Hon, Naven; Behie, Alison; Rawson, Benjamin M

Description

Crested gibbons (genus Nomascus) are among the most highly endangered and understudied primates on the planet. One member of the group, the northern yellow-cheeked crested gibbon Nomascus annamensis, is similarly threatened and has been subject to few published studies. Because understanding the behaviour and ecology of a species and how it adjusts to changes in its environment are integral to its conservation, our aim was to determine how N. annamensis adapts its diet and behaviour to seasonal...[Show more]

dc.contributor.authorFrechette, Jackson L
dc.contributor.authorHon, Naven
dc.contributor.authorBehie, Alison
dc.contributor.authorRawson, Benjamin M
dc.date.accessioned2019-04-09T13:18:14Z
dc.date.available2019-04-09T13:18:14Z
dc.identifier.issn2226-969X
dc.identifier.urihttp://hdl.handle.net/1885/159399
dc.description.abstractCrested gibbons (genus Nomascus) are among the most highly endangered and understudied primates on the planet. One member of the group, the northern yellow-cheeked crested gibbon Nomascus annamensis, is similarly threatened and has been subject to few published studies. Because understanding the behaviour and ecology of a species and how it adjusts to changes in its environment are integral to its conservation, our aim was to determine how N. annamensis adapts its diet and behaviour to seasonal changes in northeastern Cambodia. To this end, we employed instantaneous scan sampling to quantify the diet and activity of a habituated group in Veun Sai-Siem Pang National Park from 2007 to 2014. Our results indicate that activity varied seasonally, and that this variation was likely due to changes in feeding activity. There was a pronounced increase in leaf consumption and a decrease in fruit consumption during the dry (November–April) season. With the increase in folivory, gibbons spent more time eating overall and less time on other activities compared to the wet season (May–October). Overall, our data suggests that N. annamensis exhibits behav-ioural patt erns similar to other gibbon species.
dc.format.mimetypeapplication/pdf
dc.language.isoen_AU
dc.publisherRoyal University of Phnom Penh
dc.sourceCambodian Journal of Natural History
dc.source.urihttps://www.fauna-flora.org/publications/cambodian-journal-natural-history
dc.titleSeasonal variation in the diet and activity budget of the northern yellow-cheeked crested gibbon Nomascus annamensis
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume2017
dc.date.issued2017
local.identifier.absfor160102 - Biological (Physical) Anthropology
local.identifier.ariespublicationU1021258xPUB118
local.type.statusPublished Version
local.contributor.affiliationFrechette, Jackson L, Fauna & Flora International Cambodia Programme
local.contributor.affiliationHon, Naven, Conservation International Greater Mekong
local.contributor.affiliationBehie, Alison, College of Arts and Social Sciences, ANU
local.contributor.affiliationRawson, Benjamin M, World Wide Fund For Nature
local.bibliographicCitation.issue2
local.bibliographicCitation.startpage168
local.bibliographicCitation.lastpage178
local.identifier.absseo960806 - Forest and Woodlands Flora, Fauna and Biodiversity
dc.date.updated2019-03-12T07:23:27Z
dcterms.accessRightsOpen Access
dc.provenanceAuthors are permitted to post their papers on their personal and institutional webpages on condition that access is free and no changes are made to the content. live-fauna-flora-international.pantheo nsite .io/wp-content/uploads/2017/11/CJNH_2017_Instructions-for-Authors.pdf
CollectionsANU Research Publications

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