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Skip to Search Results- 43Graduate and Postdoctoral Studies (GPS), Faculty of
- 43Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
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Reexamining Sample Size Requirements for Multivariate, Abundance-Based Community Research: When Resources are Limited, the Research Does Not Have to Be
Download2015-01-01
Forcino, F. L., Leighton, L. R., Twerdy, P., Cahill, J. F.
Community ecologists commonly perform multivariate techniques (e.g., ordination, cluster analysis) to assess patterns and gradients of taxonomic variation. A critical requirement for a meaningful statistical analysis is accurate information on the taxa found within an ecological sample. However,...
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2012-01-01
Boutin, S., He, F., Sólymos, P., Cahill Jr, J. F., Mayor, S.J.
The worldwide biodiversity crisis has intensified the need to better understand how biodiversity and human disturbance are related. The 'intermediate disturbance hypothesis' suggests that disturbance regimes generate predictable non-linear patterns in species richness. Evidence often contradicts...
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Regulation of digestive tract and progenitor cell homeostasis by intestinal bacteria in Drosophila melanogaster
DownloadFall 2020
The digestive tract facilitates nutrient uptake in the presence of a heterogenous cohort of symbiotic microbes. These microbes along with their collective genetic material form the intestinal microbiome and contribute to animal phenotypes. Similar to mammals, the microbiome of insects forms a...
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Removal of model waste-water bacteria by magnetite in water and waste-water treatment processes
DownloadFall 2012
Conventional disinfection processes used for water and waste-water treatment such as chlorination, and ozonation produce disinfection by products which are carcinogenic. The use of magnetite as an alternative method of removing pathogenic microorganisms from the water streams was proposed as it...
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Fall 2018
Glass sponge reefs are globally unique ecosystems on Canada’s western continental shelf that are susceptible to harm from fishing (e.g., bottom-contact trawling). In 2017, a marine protected area (MPA) was created to protect four of these reefs in Hecate Strait and Queen Charlotte Sound. Three...
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2008-01-01
Melim, Leslie A., Northup. Diana E., Spilde, Michael N., Jones, Brian, Boston, Penelope J., Bixby, Rebecca J.
We report on a reticulated filament found in modern and fossil cave samples that cannot be correlated to any known microorganism or organism part. These filaments were found in moist environments in five limestone caves (four in New Mexico, U.S.A., one in Tabasco, Mexico), and a basalt lava tube...
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Spring 2019
A bacterial colony constitutes a complex microcosm which is equipped with a wide range of defensive adaptations that allow the colony to survive adverse environmental conditions and predation. The extreme resilience of bacteria in colonies has been a subject of continued research for nearly two...
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Fall 2011
Festuca hallii (plains rough fescue), a late-seral bunchgrass and long-lived perennial, is difficult to restore once disturbed. Once dominant in grasslands throughout central Alberta, F. hallii now occurs in remnants, a result of agricultural and residential development, and oil and gas...