Validation and evaluation of the stable isotope marking technique in the lake sturgeon, Acipenser fulvescens

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dc.contributor.authorCarriere, Benjamin
dc.contributor.examiningcommitteeGillis, Darren (Biological Sciences) Halden, Norm (Geological Sciences)en_US
dc.contributor.supervisorAnderson, Garyen_US
dc.date.accessioned2015-07-14T22:10:55Z
dc.date.available2015-07-14T22:10:55Z
dc.date.issued2015-07-14
dc.degree.disciplineBiological Sciencesen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractIn this thesis the enriched stable isotope marking technique was examined to determine its validity and effectiveness in marking of Lake Sturgeon fin rays. The enriched stable isotope marking technique uses stable isotopes of elements that replace calcium in boney tissue, which are fixed in nature, however in laboratory settings can be easily manipulated. Manipulated ratios of naturally occurring isotopes can be determined from a small sample of the fin ray, thus allowing for the discrimination of fish stocks. Further, the thesis examined the underlying assumptions for strontium and barium into the Lake Sturgeon. For the marking technique to work, strontium and barium must be taken up from the environment and accumulated long-term in boney tissue. Net flux and tissue retention of strontium is reported and the research has demonstrated that enriched stable isotopes can be successfully used to mark the fin ray of Lake Sturgeon for long-term stock discrimination.en_US
dc.description.noteOctober 2015en_US
dc.identifier.urihttp://hdl.handle.net/1993/30623
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectlake sturgeonen_US
dc.subjectAcipenser fulvescensen_US
dc.subjectstable isotope markingen_US
dc.subjectstrontiumen_US
dc.subjectbariumen_US
dc.subjectinfluxen_US
dc.subjecteffluxen_US
dc.subjectnet fluxen_US
dc.subjectaccumulationen_US
dc.subjectbiological half-lifeen_US
dc.titleValidation and evaluation of the stable isotope marking technique in the lake sturgeon, Acipenser fulvescensen_US
dc.typemaster thesisen_US
local.subject.manitobayesen_US
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