Response of riparian cottonwoods to experimental flows along the lower Bridge River, British Columbia

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dc.contributor.authorHall, Alexis Anne
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorRood, Stewart B.
dc.date.accessioned2008-03-26T15:53:53Z
dc.date.available2008-03-26T15:53:53Z
dc.date.issued2007
dc.degree.levelMasters
dc.descriptionxii, 89 leaves : ill. (some col.) ; 29 cmen
dc.description.abstractThe Bridge River drains the east slope of the Coast Mountain Range and is a major tributary of the Fraser River in southwestern British Columbia. The lower Bridge River has been regulated since the installation of Terzaghi Dam in 1948, which left a section of dry riverbed for an interval of 52 years prior to 2000. An out-of-court settlement between BC Hydro and Federal and Provincial Fisheries regulatory agencies resulted in the required experimental discharge of 3 m3/s below Terzaghi Dam in 2000. This study investigated growth of black cottonwood (Populus trichocarpa) trees in response to the experimental discharges. Mature trees did not show a significant response in radial trunk growth or branch elongation. In contrast, the juvenile trees displayed an increased growth response, and the successful establishment of saplings provided a dramatic response to the new flow regime. Thus, I conclude that cottonwoods have benefited from the experimental flow regime of the lower Bridge River.en
dc.identifier.urihttps://hdl.handle.net/10133/624
dc.language.isoen_USen
dc.publisherLethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2007en
dc.publisher.departmentDepartment of Biological Sciencesen
dc.publisher.facultyFaculty of Arts and Scienceen
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en
dc.subjectCottonwood -- British Columbia -- Bridge River Basinen
dc.subjectRiparian ecology -- British Columbia -- Bridge River Basinen
dc.subjectEcohydrology -- British Columbia -- Bridge River Basinen
dc.subjectHydrology, Forest -- British Columbia -- Bridge River Basinen
dc.subjectDissertations, Academicen
dc.subjectDams -- British Columbia -- Bridge Riveren
dc.titleResponse of riparian cottonwoods to experimental flows along the lower Bridge River, British Columbiaen
dc.typeThesisen
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