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Competition Impacts on Hybrid Poplar and Implications for Alternative Establishment Systems
DownloadSpring 2015
The effects of different vegetation control practices on tree-weed interactions and associated establishment and early tree growth were investigated in 1-3 year old hybrid poplar plantations containing Walker poplar (Populus deltoides x (P. laurifolia x P. nigra)) and its progeny Okanese poplar...
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Effect of Environmental Conditions on Flight Capacity in Mountain Pine Beetle (Coleoptera: Curculionidae: Scolytinae)
Download2020-10-01
Wijeranthna, Asha, Evenden, Maya
Mountain pine beetle (Dendroctonus ponderosae Coleoptera: Curculionidae: Scolytinae) is a major pest of pine (Pinaceae) in western North America. Mountain pine beetle has an obligatory dispersal phase during which beetles fly in search of new hosts to colonize. Climatic factors may influence...
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Fall 2018
Red alder (Alnus rubra [Bong.]), is the most common hardwood species along the Pacific Northwest coast and is widely distributed as a component of mixed stands with conifers on highly productive sites. It is also a strong competitor in young conifer stands and rapidly overtops associated juvenile...
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Spring 2018
Graphene has created much excitement in the scientific community since 2004, when Novoselov and Geim developed a method to exfoliate atomic layers from graphite, earning them the 2010 Nobel prize. The great interest in graphene stems from its outstanding material properties such as atomic...
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Redox and Light Derived Mechanisms of Environmental Perception are Utilized for Regulation of the Cyanobacterial RNA Helicase crhR
DownloadSpring 2020
Cyanobacteria occur worldwide in environments that contain water and sunlight. They are crucial, positive players in carbon, oxygen and nitrogen cycling and function as producers of biosynthetic products such as biofuels. To optimize these processes, understanding mechanisms by which...
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2000
In photosynthetic organisms it is becoming increasingly evident that light-driven shifts in redox potential act as a sensor that initiates alterations in gene expression at both the level of transcription and translation. This report provides evidence that the expression of a cyanobacterial RNA...
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Fall 2012
ABSTRACT The plant vascular system transports water and nutrients, but also regulatory molecules that function in short- and long-distance mechanisms to pattern surrounding tissues. As such, the development of the vascular system is tied to the overall patterning and development of the plant...
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2001
Data from six aspen stands in northeastern British Columbia ranging in age from 12 to 40 years were used to examine relationships between understorey light levels and stand attributes (basal area, stand density, and age). Sample points were selected in each stand to characterize the observed...
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Sleep and children with cerebral palsy: A review of current evidence and environmental non-pharmacological interventions
Download2015
Brown, Cary A. , Roduta Roberts, Mary, Dutt, Risha
Between 23%–46% of children with cerebral palsy experience sleep problems. Many of the sensory-motor and cognitive features of cerebral palsy (such as immobility, pain, and seizures) act as predisposing factors for sleep problems in this population. This paper presents the background related to...