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Skip to Search Results- 7Lieffers, Victor (Renewable Resources)
- 1Hacke, Uwe (Renewable Resources)
- 1Landhausser, Simon (Renewable Resources)
- 1Landhäusser, Simon (Renewable Resources)
- 1Macdonald, Ellen (Renewable Resources)
- 1Macdonald, S. Ellen (Renewable Resources)
- 1Bachmann, Sascha
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- 1Steinke, Julie
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Drought and defoliation-induced alterations to the structure and function of the vascular tissue in trees
DownloadSpring 2019
Observations of tree dieback and mortality from climate change-induced drought has been documented across the world, however the mechanisms of tree mortality are not fully understood. Infestations of insect pests may also contribute to the process of drought-induced dieback. Tree physiological...
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Forest floor protection during drilling pad construction and its benefits for natural regeneration of native boreal forest vegetation
DownloadSpring 2014
I tested forest floor protection techniques in the construction and reclamation of temporary drilling pads to restore native boreal canopy and understory cover. By covering and delineating the forest floor I hoped to reduce damage to the vegetative propagule bank, so clonal species such as aspen...
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Natural regeneration in the boreal forest: seedling establishment and success in western North American and European boreal forests
DownloadFall 2014
As the costs and ecological implications of intensive forest management rise, alternative management strategies that minimize intervention become more desirable options, particularly natural regeneration. Two locations were studied: the boreal mixedwoods of western North America (Alberta) and...
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Transfer of live aspen roots as a reclamation technique - Effects of soil depth, root diameter and fine root growth on root suckering ability
DownloadFall 2012
A transfer of live trembling aspen (Populus tremuloides Michx.) roots including the surrounding forest floor was conducted to examine aspen’s ability of vegetative regeneration to establish a boreal forest on a reclamation site. Forest floor was salvaged at two depths (15 cm and 40 cm) from a...
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Using Fire To Trigger Cone Opening In Aerial Seedbanks In Healthy Or Recently Dead Jack Pine Stands
DownloadFall 2013
Mountain pine beetle (Dendroctonus ponderosae; MPB) is a natural disturbance agent in western North America. Recently, MPB has been found beyond its historical habitats and threatening jack pine (Pinus banksiana) in western Canadian boreal forests. Jack pine is a fire-dependent species that...
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Vegetation responses following mountain pine beetle attack in lodgepole pine forests of west-central Alberta
DownloadFall 2018
Natural disturbances are an integral part of forest ecosystems and drive successional change. The boreal forest is adapted to stand-replacing fires, which have different ecological impacts than less severe disturbances, such as insect attacks. In recent years, mountain pine beetle (MPB), a bark...
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Whole-plant transpiration in Populus sp.: its determination, nocturnal effects and influence by form of nitrogen
DownloadFall 2014
Water is a crucial factor in the life of land plants. Transpiration (E) is inevitable and it is viewed as the universal cost of accessing a CO2-rich atmosphere. Although we now know that plants lose water at night, it had been assumed that stomata remained closed after dark. Renewed interest has...