Floristic variation along the HVDC transmission line right-of-way in Manitoba

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dc.contributor.authorMacLellan, Patricia.en_US
dc.date.accessioned2009-12-01T20:15:47Z
dc.date.available2009-12-01T20:15:47Z
dc.date.issued1982en_US
dc.degree.disciplineBotanyen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractThe floristic variation was examined along the high voltage direct current (HVDC) transmission line right-of-way, which extends from the 50oN to the 56oN latitude in Manitoba. Over its 895 km length the right-of-way intersects six of the recognized natural vegetation zones in the province. The right-of-way (ROW) plant community at each site was compared to an adjacent, relatively undisturbed community, which was designated as a control area (CONTROL). The ROW communities differ from the CONTROL communities in both species composition and physiognomy. The majority of ROW communities are characterized by a high graminold richness and a high graminoid cover, principally as a result of such disturbances as grazing, mowing, herbicide treatment, and fire. Most of the CONTROL communities are elther woodland or forest areas. The overstory of the CONTROL communities is dominated by aspen (Populus tremuloides) in the southern woodlands, while in the northern forests the canopy is comprised mainly of either black spruce (Picea mariana), jack pine (Pinus banksiana), or aspen, or a mixture of these...en_US
dc.format.extentx, 181 [i.e. 213] leaves :en_US
dc.format.extent9572708 bytes
dc.format.mimetypeapplication/pdf
dc.identifierocm72792811en_US
dc.identifier.urihttp://hdl.handle.net/1993/3451
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.rightsThe reproduction of this thesis has been made available by authority of the copyright owner solely for the purpose of private study and research, and may only be reproduced and copied as permitted by copyright laws or with express written authorization from the copyright owner.en_US
dc.titleFloristic variation along the HVDC transmission line right-of-way in Manitobaen_US
dc.typemaster thesisen_US
local.subject.manitobayesen_US
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