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The Role of Plant-soil Feedback in the Invasion of Brachypodium sylvaticum in Douglas-fir Forests

Creator:: Esterson, Andrew
Abstract:: Invasive plants have the capacity to transform landscapes and alter ecosystem function, causing significant economic and ecological damage. These effects include displacement and reduction of native flora and fauna, altered fire regimes, modification of biotic and abiotic soil properties, as well as local, regional, and global economic impacts. With such...
Resource Type:: Masters Thesis
Full Text:: his time over winter break to help me prepare microbial libraries. Lastly, I would like to

Ammonia-oxidizer and denitrifier populations in boreal forest soils of differing nitrogen availability

Creator:: Burton, Marci S.
Abstract:: Nitrification and denitrification are major biological processes transforming nitrogen (N) in soils to plant available N, highly leachable nitrate (NO₃⁻) and gaseous N oxides. Although many studies in the past have studied N cycling communities, the effect of increased N inputs on ammonia-oxidizer and denitrifier population dynamics is still under...
Resource Type:: Masters Thesis
Full Text:: provides insight into the variability of the microbial community populations responsible for regulating

Detection of the Burkholderia cepacia complex in soil environments

Creator:: Miller, Suzanne C. McKenzie
Abstract:: Burkholderia cepacia complex (Bcc) bacteria reside in soil, plant rhizospheres, and water, but the prevalence of Bcc in outdoor environments is not clear. In this study, we sampled a variety of soil and rhizosphere environments with which people may have contact: playgrounds, athletic fields, parks, hiking trails, residential yards and...
Resource Type:: Masters Thesis
Full Text:: mucociliary clearance mechanisms and presents a unique bacterial habitat. Persistent microbial colonization

An epifluorescence method for assessing viability of bacteria in soil aggregates

Creator:: Shiozawa, Tracy L.
Resource Type:: Masters Thesis
Full Text:: R. Bartha. Microbial Ecology: Fundamentals and Applications. Daryl Fox (ed.) 4th ed. Menlo Park

Microbiology of soil aggregates recovered from different crop management systems

Creator:: Mendes, Iêda de Carvalho
Resource Type:: Dissertation
Full Text:: microbial biomass and its activities across soil aggregates and also the distribution across aggregates of

Effects of forest soil compaction on gas diffusion, denitrification, nitrogen mineralization, and soil respiration

Creator:: Pascoe, Frank (Frank Nicanor), 1958-
Resource Type:: Masters Thesis
Full Text:: may limit aerobic microbial processes in compacted soils. Two sites were studied, a low coastal

Evaluation of an automated respiration method used in assessing the toxicity of zinc on soil microorganisms

Creator:: Boening, Dean W.
Abstract:: Microorganisms can be a valuable tool in assessing the toxicity of heavy metals. The soil respiration rate is a commonly explored endpoint. I utilized a fully automated respirometer incorporating an infrared gas analyzer (IRGA) and developed a method for measuring the effect of Zn on soil microbial populations. Zinc, in...
Resource Type:: Masters Thesis
Full Text:: microbial ecology. p. 631 659. Blackwell Scientific Publications, London. Babich H., and G. Stotzky. 1983

The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Creator:: Nelson, Sheila J.
Resource Type:: Masters Thesis
Full Text:: Institute of Ecology extimated that known P reserves, containing approximately 3.4 billion tons of P

Symbiotic and saprophytic characteristics of a soil population of Rhizobium leguminosarum bv. trifolii

Creator:: Yap, Kathryn H. M.
Abstract:: Although much has been learned about the comparative nodulating behavior of simple mixtures of rhizobial strains under non-soil situations, it is unclear how these findings relate to the factors influencing nodulation success by the complex mixtures of strains found within soil-borne rhizobial populations. Information on the structure and physiological behavior...
Resource Type:: Masters Thesis
Full Text:: serotypes of R. leguminosarum bv. trifolii while they reside within the soil microbial community

Microbial analysis of coniferous forest and nursery soils : effects of ectomycorrhizae, volatiles, and humic-rich organic substrates

Creator:: Schisler, David Albert
Abstract:: Fusarium spp. frequent conifer nursery soils yet are rarely recovered from coniferous forest soils. Experiments were performed to determine what influence humic-rich organic amendments and volatiles from soil, ectomycorrhizal fungi and ectomycorrhizae have on the populations of several physiologic and taxonomic microbial groups potentially related to this phenomenon. A comparative...
Resource Type:: Dissertation
Full Text:: naturally occurring levels of soil volatiles on the microbial ecology of a soil have not been attempted

ScholarsArchive@OSU

The Role of Plant-soil Feedback in the Invasion of Brachypodium sylvaticum in Douglas-fir Forests

Ammonia-oxidizer and denitrifier populations in boreal forest soils of differing nitrogen availability

Detection of the Burkholderia cepacia complex in soil environments

An epifluorescence method for assessing viability of bacteria in soil aggregates

Microbiology of soil aggregates recovered from different crop management systems

Effects of forest soil compaction on gas diffusion, denitrification, nitrogen mineralization, and soil respiration

Evaluation of an automated respiration method used in assessing the toxicity of zinc on soil microorganisms

The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Symbiotic and saprophytic characteristics of a soil population of Rhizobium leguminosarum bv. trifolii

Microbial analysis of coniferous forest and nursery soils : effects of ectomycorrhizae, volatiles, and humic-rich organic substrates

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