Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/6011
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dc.contributor.authorKelleway, Jeffen
dc.contributor.authorMazumder, Debashishen
dc.contributor.authorWilson, Geoffreyen
dc.contributor.authorSaintilan, Neilen
dc.contributor.authorKnowles, Lisaen
dc.contributor.authorIles, Jordanen
dc.contributor.authorKobayashi, Tsuyoshien
dc.date.accessioned2010-05-26T13:34:00Z
dc.date.issued2010en
dc.identifier.citationMarine and Freshwater Research, 61(4), p. 430-440en
dc.identifier.issn1448-6059en
dc.identifier.issn1323-1650en
dc.identifier.urihttps://hdl.handle.net/1959.11/6011en
dc.description.abstractRiverine food webs are often laterally disconnected (i.e. between watercourses) in regulated floodplain wetlands for prolonged periods. We compared the trophic structure of benthic resources and consumers (crustaceans and fish) of the three watercourses in a regulated floodplain wetland (the Gwydir Wetlands, Australia) that shared the same source water but were laterally disconnected. The crustaceans 'Cherax destructor' (yabby), 'Macrobrachium australiense' (freshwater prawn), the exotic fish 'Cyprinus carpio' (European carp) and 'Carassius auratus' (goldfish) showed significantly different δ¹³C values among the watercourses, suggesting spatial differences in primary carbon sources. Trophic positions were estimated by using δ¹⁵N values of benthic organic matter as the base of the food web in each watercourse. The estimated trophic positions and gut contents showed differences in trophic positions and feeding behaviours of consumers between watercourses, in particular for 'Melanotaenia fluviatilis' (Murray–Darling rainbowfish) and 'M. australiense'. Our findings suggest that the observed spatial variation in trophic structure appears to be largely related to the spatial differences in the extent and type of riparian vegetation (i.e. allochthonous carbon source) across the floodplain that most likely constituted part of the benthic resources.en
dc.languageenen
dc.publisherCSIRO Publishingen
dc.relation.ispartofMarine and Freshwater Researchen
dc.titleTrophic structure of benthic resources and consumers varies across a regulated floodplain wetlanden
dc.typeJournal Articleen
dc.identifier.doi10.1071/MF09113en
dc.subject.keywordsNatural Resource Managementen
dc.subject.keywordsEnvironmental Monitoringen
dc.subject.keywordsEnvironmental Managementen
local.contributor.firstnameJeffen
local.contributor.firstnameDebashishen
local.contributor.firstnameGeoffreyen
local.contributor.firstnameNeilen
local.contributor.firstnameLisaen
local.contributor.firstnameJordanen
local.contributor.firstnameTsuyoshien
local.subject.for2008050209 Natural Resource Managementen
local.subject.for2008050206 Environmental Monitoringen
local.subject.for2008050205 Environmental Managementen
local.subject.seo2008960506 Ecosystem Assessment and Management of Fresh, Ground and Surface Water Environmentsen
local.subject.seo2008960807 Fresh, Ground and Surface Water Flora, Fauna and Biodiversityen
local.subject.seo2008960910 Sparseland, Permanent Grassland and Arid Zone Land and Water Managementen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailgwilson7@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20100429-114826en
local.publisher.placeMelbourne, Australiaen
local.format.startpage430en
local.format.endpage440en
local.peerreviewedYesen
local.identifier.volume61en
local.identifier.issue4en
local.contributor.lastnameKellewayen
local.contributor.lastnameMazumderen
local.contributor.lastnameWilsonen
local.contributor.lastnameSaintilanen
local.contributor.lastnameKnowlesen
local.contributor.lastnameIlesen
local.contributor.lastnameKobayashien
dc.identifier.staffune-id:gwilson7en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:6161en
dc.identifier.academiclevelAcademicen
local.title.maintitleTrophic structure of benthic resources and consumers varies across a regulated floodplain wetlanden
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 276<br />Views: 298<br />Downloads: 0en
local.search.authorKelleway, Jeffen
local.search.authorMazumder, Debashishen
local.search.authorWilson, Geoffreyen
local.search.authorSaintilan, Neilen
local.search.authorKnowles, Lisaen
local.search.authorIles, Jordanen
local.search.authorKobayashi, Tsuyoshien
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