Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/75222
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dc.contributor.authorConallin, A.en
dc.contributor.authorSmith, B.en
dc.contributor.authorThwaites, L.en
dc.contributor.authorWalker, K.en
dc.contributor.authorGillanders, B.en
dc.date.issued2012en
dc.identifier.citationMarine and Freshwater Research, 2012; 63(10):865-877en
dc.identifier.issn1323-1650en
dc.identifier.issn1448-6059en
dc.identifier.urihttp://hdl.handle.net/2440/75222-
dc.description.abstractEnvironmental Water Allocations (EWAs) are used to enhance native flora and fauna in regulated rivers, but may also benefit alien invasive species like common carp (Cyprinus carpio). We examined the invasion and spawning risk posed by adult common carp during an EWA delivered from the River Murray to a flow-through wetland in South Australia from June to December 2008. Offstream movements of fish and turtles were monitored continuously via the inlet and outlet creeks. Long-necked turtles (Chelodina longicollis, n = 129) dominated at the inlet where few fish were collected (n = 24), whereas much larger numbers of common carp in prime spawning condition (n = 4709), alien goldfish (Carassius auratus, n = 1201) and native bony herring (Nematalosa erebi, n = 93) were attracted to the outlet and displayed distinct movements. Adult common carp movements began in August, in response to increasing water temperatures, peaked in mid-September before spawning, then declined and were close to zero by December. The timing of EWA deliveries potentially could be manipulated to reduce adult carp invasion and spawning potential while providing some advantage to native fish, but the benefits may be short-lived without additional carp management interventions such as wetland drying.en
dc.description.statementofresponsibilityAnthony J. Conallin, Ben B. Smith, Leigh A. Thwaites, Keith F. Walker and Bronwyn M. Gillandersen
dc.language.isoenen
dc.publisherC S I R O Publishingen
dc.rights© CSIRO 2012en
dc.subjectChelidae, Cyprinidae, environmental flows, floodplain management, introduced fish, lateralmovement, Murray–Darling Basin, pest control, pest fish, pest management, trap avoidance/shyness, turtles.en
dc.titleEnvironmental Water Allocations in regulated lowland rivers may encourage offstream movements and spawning by common carp, Cyprinus carpio: implications for wetland rehabilitationen
dc.typeJournal articleen
dc.identifier.rmid0020123052en
dc.identifier.doi10.1071/MF12044en
dc.identifier.pubid22558-
pubs.library.collectionEarth and Environmental Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidGillanders, B. [0000-0002-7680-2240]en
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute Leaders publications

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