Effects of diquat dibromide herbicide exposure on biomarkers of stress and chemical exposure in two non-target fish species

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dc.contributor.advisorJackson, Leland J.
dc.contributor.advisorVijayan, Mathilakath Madathil
dc.contributor.authorCribb, Emily
dc.contributor.committeememberHontela, Alice
dc.contributor.committeememberSmits, Judit Emmy G.
dc.contributor.committeememberVamosi, Steven M.
dc.date2019-02
dc.date.accessioned2019-01-03T16:38:50Z
dc.date.available2019-01-03T16:38:50Z
dc.date.issued2018-12-20
dc.description.abstractFlowering rush is an invasive plant that creates dense blooms, blocking waterways and reducing available fish habitat. Diquat dibromide was applied to eradicate flowering rush in a small water body near Innisfail, Alberta. An observational study was undertaken to assess the effects of diquat on non-target fish species under field conditions. Brook stickleback and fathead minnows were collected from the exposed water body and a reference site before and after two applications of diquat. Mass, length, condition factor, and hepatosomatic index were significantly different between the two sites, but the differences were not correlated with diquat exposure. Secondary stress (HSP70, HSC70) and chemical exposure (CYP1A) biomarkers also did not change in association with diquat exposure. The cortisol response was normal following diquat exposure. No evidence was obtained to suggest that diquat was causing sub-lethal toxic effects in these fish species following use of diquat to eradicate invasive flowering rush.en_US
dc.identifier.citationCribb, E. (2018). “Effects of diquat dibromide herbicide exposure on biomarkers of stress and chemical exposure in two non-target fish species” (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca.en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/35677
dc.identifier.urihttp://hdl.handle.net/1880/109402
dc.language.isoenen_US
dc.publisher.facultyScienceen_US
dc.publisher.institutionUniversity of Calgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.en_US
dc.subjectinvasive plant managementen_US
dc.subjectdiquat dibromideen_US
dc.subjectstress responseen_US
dc.subjectecotoxicologyen_US
dc.subject.classificationAnimal Physiologyen_US
dc.subject.classificationEcologyen_US
dc.titleEffects of diquat dibromide herbicide exposure on biomarkers of stress and chemical exposure in two non-target fish speciesen_US
dc.typemaster thesisen_US
thesis.degree.disciplineBiological Sciencesen_US
thesis.degree.grantorUniversity of Calgaryen_US
thesis.degree.nameMaster of Science (MSc)en_US
ucalgary.item.requestcopytrue
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