Radial-growth response of mountain hemlock (Tsuga mertensiana) trees to climate variations along a longitudinal transect, northwestern British Columbia, Canada

dc.contributor.authorPenrose, Kelly-Anne
dc.contributor.supervisorSmith, Dan J.
dc.date.accessioned2008-06-10T15:23:20Z
dc.date.available2008-06-10T15:23:20Z
dc.date.copyright2007en_US
dc.date.issued2008-06-10T15:23:20Z
dc.degree.departmentDept. of Geographyen_US
dc.degree.levelMaster of Science M.Sc.en_US
dc.description.abstractThis research was initiated to develop an understanding of the differential radial-growth response of mature mountain hemlock (Tsuga mertensiana) trees located along a line of latitude in northwestern British Columbia. Increment core samples were collected from mountain hemlock stands located at five high-elevation sites between the Queen Charlotte Islands and Smithers. Tree ring-width index chronologies were compared to historical precipitation and air temperature data from four climate stations, as well as the El Nino Southern Oscillation and the Pacific Decadal Oscillation. No two mountain hemlock stands had the same growth response to monthly air temperature and precipitation, indicating that the trees are responding to site-specific limiting factors. The response to El Nino Southern Oscillation events was consistent along the transect, while the response to Pacific Decadal Oscillation phase changes was greatest at coastal sites and decreased towards the interior.en_US
dc.identifier.urihttp://hdl.handle.net/1828/984
dc.languageEnglisheng
dc.language.isoenen_US
dc.rightsAvailable to the World Wide Weben_US
dc.subjectmountain hemlocken_US
dc.subjectclimatic factorsen_US
dc.subjectBritish Columbiaen_US
dc.subject.lcshUVic Subject Index::Humanities and Social Sciences::Social Sciences::Geographyen_US
dc.titleRadial-growth response of mountain hemlock (Tsuga mertensiana) trees to climate variations along a longitudinal transect, northwestern British Columbia, Canadaen_US
dc.typeThesisen_US

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