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Filtering by: Subject Nitrification Remove constraint Subject: Nitrification Committee Member Halsey, Kimberly Remove constraint Committee Member: Halsey, Kimberly

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An Examination of Factors Controlling the Activity of Ammonia- and Nitrite-oxidizers in Diverse Soils

Creator:

Giguere, Andrew T.

Abstract:

Nitrification is a critical step in the global nitrogen cycle involving the biological oxidation of ammonia (NH₃) to nitrite (NO₂⁻ ) and then to nitrate (NO₃⁻). The first step in nitrification is carried out by NH₃-oxidizing bacteria (AOB) and archaea (AOA), and the second by NO₂⁻-oxidizing bacteria (NOB). In addition...

Resource Type:

Dissertation

Full Text:

: _______________________________________________________________________ Peter J. Bottomley David D. Myrold Nitrification is a critical step
Transcriptome Responses of the Nitrifying Bacteria Nitrosomonas europaea and Nitrobacter hamburgensis to Low Oxygen

Creator:

Dobie, Michael

Abstract:

Nitrification is the process within the global Nitrogen Cycle where ammonia (NH3) is oxidized to nitrate (NO₃⁻) and can be carried out by two distinct groups of bacteria. The ammonia-oxidizing bacteria (AOB) first oxidize NH₃ to nitrite (NO₂⁻), and second, the nitrite-oxidizing bacteria (NOB) oxidize NO₂⁻ to NO₃⁻. In aerobic...

Resource Type:

Masters Thesis

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: ______________________________________________________________________________ Luis A. Sayavedra-Soto Nitrification is the process within the global Nitrogen Cycle where
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:

Abstract approved: David D. Myrold Nitrification and denitrification are major biological

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Academic Affiliation

Crop and Soil Science2
Microbiology1

Advisor

Myrold, David D.2
Bottomley, Peter J.1
Sayavedra Sota, Luis A.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2014 to 2017

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Committee Member

Halsey, Kimberly[remove]3
Bottomley, Peter1
Hatten, Jeff1
Johnson, Kenneth1
Kleber, Markus1
more Committee Members »

Creator

Burton, Marci S.1
Dobie, Michael1
Giguere, Andrew T.1

Date

Date range begin – Date range end

Current results range from 2013 to 2017

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Decade

2010-20193

Degree Field

Soil Science2
Microbiology1

Degree Level

Master's2
Doctoral1

Degree Name

Master of Science (M.S.)2
Doctor of Philosophy (Ph.D.)1

Language

English [eng]3

License

All rights reserved3

Non-Academic Affiliation

Oregon State University. Graduate School3

Peer Reviewed

No3

Resource Type

Masters Thesis2
Dissertation1

Rights Statement

In Copyright3

Subject

Nitrification3
Nitrogen cycle3
Nitrifying bacteria2
Soils -- Nitrogen content2
Ammonia -- Oxidation1
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