Behavioural and physiological response of overwintering brook trout (Salvelinus fontinalis) to instream flow manipulations from the Canadian Rocky Mountains

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dc.contributor.authorKrimmer, Alison
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorRasmussen, Joseph B.
dc.date.accessioned2009-07-08T20:08:37Z
dc.date.available2009-07-08T20:08:37Z
dc.date.issued2008
dc.degree.levelMasters
dc.descriptionx, 129 leaves : ill. ; 29 cm. --en
dc.description.abstractAs anthropogenic demands on water resources intensify instream flow needs are becoming an increasingly important area of study, particularly over winter months during which time little is known about the behaviour and physiology of fishes. This thesis addresses the implications of water withdrawal from a small in situ stream on brook trout (Salvelinus fontinalis) during the winter of 2007 and 2008 in the Rocky Mountains. Water was withdrawn from one of two stream enclosures reducing the discharge by 50% and 75%, for 4hrs daily. Behaviour was monitored using radio transmitters that were externally attached to the small trout. Changes in physiology were monitored by measuring stress hormone levels and by measuring predicted body composition parameters using bioelectrical impedance analysis. Trout reacted to water withdrawal by being more active, but this change in behaviour did not elicit detectable changes in physiology.en
dc.identifier.urihttps://hdl.handle.net/10133/743
dc.language.isoen_USen
dc.publisherLethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2008en
dc.publisher.departmentBiological Sciencesen
dc.publisher.facultyArts and Scienceen
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en
dc.subjectDissertations, Academicen
dc.subjectBrook trout -- Alberta -- Researchen
dc.subjectBrook trout -- Effect of stress on -- Albertaen
dc.subjectBrook trout -- Physiologyen
dc.subjectBrook trout -- Behavioren
dc.subjectStreamflow -- Albertaen
dc.subjectStream measurements -- Albertaen
dc.titleBehavioural and physiological response of overwintering brook trout (Salvelinus fontinalis) to instream flow manipulations from the Canadian Rocky Mountainsen
dc.typeThesisen
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