Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/20878
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dc.contributor.authorGoatley, Christopheren
dc.contributor.authorBellwood, David Ren
dc.date.accessioned2017-05-16T11:38:00Z
dc.date.issued2010en
dc.identifier.citationMarine Ecology Progress Series, v.415, p. 237-245en
dc.identifier.issn1616-1599en
dc.identifier.issn0171-8630en
dc.identifier.urihttps://hdl.handle.net/1959.11/20878en
dc.description.abstractOff-reef sediment transport by the surgeonfish 'Ctenochaetus striatus' (Acanthuridae) was quantified on the reef crest at Lizard Island, Great Barrier Reef. Three independent methods were implemented to estimate sediment ingestion rates. These considered (1) the bite rate and bite volume, (2) the defecation rate and faecal pellet size, and (3) the average gut contents and throughput rate. The 3 methods provided a broad range of estimates of sediment ingestion from 8.8 ± 2.4, to 66.1 ± 14.4 g fish-1 d-1 (mean ± SE). Nevertheless, these estimates were comparable to rates of sediment ingestion by parrotfishes (Labridae), the other major sediment-moving group on reefs. Overall, 36.5% of all sediment ingested was transported from the upper reef crest into deeper water, equating to a removal rate of 28.6 ± 6.2 kg 100 m-2 yr-1 at the study site. By brushing the reef, 'C. striatus' reduces the sediment loading in the epilithic algal matrix (EAM) while causing little damage to the algal turf. Reducing sediments in EAMs provides favourable settlement surfaces for benthic organisms and increases the palatability of the EAM to herbivorous reef fishes, thus supporting reef resilience. The ecological importance of 'C. striatus', which is abundant on reefs throughout the IndoPacific, appears to have been underestimated, particularly when considering reef sediment dynamics.en
dc.languageenen
dc.publisherInter-Researchen
dc.relation.ispartofMarine Ecology Progress Seriesen
dc.titleBiologically mediated sediment fluxes on coral reefs: sediment removal and off-reef transportation by the surgeonfish 'Ctenochaetus striatus'en
dc.typeJournal Articleen
dc.identifier.doi10.3354/meps08761en
dc.subject.keywordsAnimal Behaviouren
dc.subject.keywordsEnvironmental Monitoringen
dc.subject.keywordsMarine and Estuarine Ecology (incl. Marine Ichthyology)en
local.contributor.firstnameChristopheren
local.contributor.firstnameDavid Ren
local.subject.for2008060801 Animal Behaviouren
local.subject.for2008060205 Marine and Estuarine Ecology (incl. Marine Ichthyology)en
local.subject.for2008050206 Environmental Monitoringen
local.subject.seo2008960808 Marine Flora, Fauna and Biodiversityen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailcgoatley@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20170310-13279en
local.publisher.placeGermanyen
local.format.startpage237en
local.format.endpage245en
local.peerreviewedYesen
local.identifier.volume415en
local.title.subtitlesediment removal and off-reef transportation by the surgeonfish 'Ctenochaetus striatus'en
local.contributor.lastnameGoatleyen
local.contributor.lastnameBellwooden
dc.identifier.staffune-id:cgoatleyen
local.profile.orcid0000-0002-2930-5591en
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:21071en
dc.identifier.academiclevelAcademicen
local.title.maintitleBiologically mediated sediment fluxes on coral reefsen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 18<br />Views: 40<br />Downloads: 0en
local.search.authorGoatley, Christopheren
local.search.authorBellwood, David Ren
Appears in Collections:Journal Article
School of Environmental and Rural Science
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