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dc.contributor.authorKennard, Marken_US
dc.contributor.authorD. Olden, Julianen_US
dc.contributor.authorArthington, Angelaen_US
dc.contributor.authorPusey, Bradleyen_US
dc.contributor.authorPoff, N.en_US
dc.date.accessioned2017-05-03T11:07:24Z
dc.date.available2017-05-03T11:07:24Z
dc.date.issued2007en_US
dc.identifier.issn0706652Xen_US
dc.identifier.doi10.1139/F07-108en_US
dc.identifier.urihttp://hdl.handle.net/10072/17623
dc.description.abstractWe examine the multiscale influence of environmental and hydrological features of the riverine landscape on spatial and temporal variation in fish assemblages in eastern Australia. Multiresponse artificial neural network models provided accurate predictions of fish assemblages in the Mary River based on species presence-absence data (mean Bray-Curtis similarity between predicted and observed composition = 84%) but were less accurate when based on species relative abundance or biomass (mean similarity = 62% and 59%, respectively). Landscape- and local-scale habitat variables (e.g., catchment area and riparian canopy cover) and characteristics of the long-term flow regime (e.g., variability and predictability of flows) were more important predictors of fish assemblages than variables describing the short-term history of hydrological events. The relative importance of these variables was broadly similar for predicting species occurrence, relative abundance, or biomass. The transferability of the Mary River predictive models to the nearby Albert River was high for species presence-absence (i.e., closer match between predicted and observed data) compared with species abundances or biomass. This suggests that the same landscape-scale features are important determinants of distribution of individual species in both rivers but that interactions between landscape, hydrology, and local habitat features that collectively determine abundance and biomass may differ.en_US
dc.description.peerreviewedYesen_US
dc.description.publicationstatusYesen_US
dc.format.extent849015 bytes
dc.format.mimetypeapplication/pdf
dc.languageEnglishen_US
dc.language.isoen_US
dc.publisherNational Research Council Canadaen_US
dc.publisher.placeOttawa, Canadaen_US
dc.relation.ispartofstudentpublicationNen_US
dc.relation.ispartofpagefrom1346en_US
dc.relation.ispartofpageto1359en_US
dc.relation.ispartofjournalCanadian Journal of Fisheries and Aquatic Sciencesen_US
dc.relation.ispartofvolume64en_US
dc.rights.retentionYen_US
dc.subject.fieldofresearchcode270701en_US
dc.titleMultiscale effects of flow regime and habitat and their interaction on fish assemblage structure in eastern Australiaen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.facultyGriffith Sciences, Griffith School of Environmenten_US
gro.rights.copyrightCopyright 2007 NRC Research Press. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.en_US
gro.date.issued2015-05-12T02:03:45Z
gro.hasfulltextFull Text


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