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Filtering by: Location Oregon, Oregon, United States, (Administrative Boundary) Remove constraint Location: Oregon, Oregon, United States, (Administrative Boundary) Degree Level Master's Remove constraint Degree Level: Master's

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Prevalence and Fate of Antibiotic-resistant E. coli in Municipal Wastewater Treatment Plants across Oregon

Creator:

Khorshidi Zadeh, Marjan

Abstract:

Wastewater treatment plants are considered one of the main sources and reservoirs of antimicrobial resistance (AMR). This study investigated the prevalence of 8 different phenotypes of AMR, multi-drug resistant (MDR), and extended-spectrum beta-lactamases (ESBL) producing E. coli in 17 wastewater treatment plants across Oregon in winter and summer of 2019...

Resource Type:

Masters Thesis
Artificial means of distinguishing smooth-line map unit boundaries : an examination of Oregon soil survey maps

Creator:

Sun, Yulin

Abstract:

Soil is a complex living system with high heterogeneity, which makes locating soil map boundaries a challenge. In traditional soil survey, the placement of soil map boundaries relies largely (at least initially) on identifying the soil-forming factors of biota and topographic relief through stereo aerial photo pairs. Future soil survey...

Resource Type:

Masters Thesis
Fruit quality evaluation of strawberries (Fragaria ananassa) grown in California and Oregon

Creator:

Jetti, Rajesh R.

Abstract:

Five genotypes from California (Ventana, Caniarosa, San Miguel, 13G97, and Venice) and Oregon (Totem, Puget Reliance, Puget Summer, Hood and Independence) were evaluated for quality. The volatile compounds were analyzed using head space solid phase micro extraction-gas chromatography-flame ionization detection (GGFID) and gas chromatography-mass spectrometry (GC-MS). Odor activity values of...

Resource Type:

Masters Thesis
A history and analysis of the Oregon linen industry

Creator:

Tobin, Louise Agnes

Resource Type:

Masters Thesis
Developing techniques for evaluating the susceptibility of root-disease resistant Port-Orford-Cedar to foliar and stem canker diseases.

Creator:

Martin, Danielle K. H.

Abstract:

Since around 1923 Port-Orford-cedar (Chamaecyparis lawsoniana (A. Murray) Parl.) has been affected by Phytophthora root disease caused by the virulent introduced pathogen Phytophthora lateralis. A systematic resistance testing and breeding program located at the USDA Forest Service Dorena Genetic Resource Center in Cottage Grove, Oregon was initiated in 1997 with...

Resource Type:

Masters Thesis
A preliminary assessment of hydrogeologic suitability for Aquifer Storage and Recovery (ASR) in Oregon

Creator:

Woody, Jen

Abstract:

An ASR metric and site rating index applied to over 120 municipal and agricultural locations across Oregon, combined with comparison to case study data from existing ASR sites, indicate that more than 50% of selected sites are hydrogeologically suitable for ASR. The ASR metric is a ratio of aquifer storage...

Resource Type:

Masters Thesis

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Academic Affiliation

Botany and Plant Pathology1
Chemical, Biological and Environmental Engineering1
Clothing, Textiles, and Related Arts1
Crop and Soil Science1
Food Science and Technology1
more Academic Affiliations »

Advisor

Grant, Phyllis E.1
Haggerty, Roy1
Navab Daneshmand, Tala1
Noller, Jay S.1
Qian, Michael C.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1960 to 2021

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Committee Member

Brownell, Philip1
Donna, Champeau1
Grunder, Anita1
Hansen, Everett M.1
Jarvis, Todd1
more Committee Members »

Conference Name

Oregon State Clean Water Virtual Conference1

Creator

Jetti, Rajesh R.1
Khorshidi Zadeh, Marjan1
Martin, Danielle K. H.1
Sun, Yulin1
Tobin, Louise Agnes1
more Creators »

Date

Date range begin – Date range end

Current results range from 1959 to 2021

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Decade

2020-20291
2010-20191
2000-20093
1950-19591

Degree Field

Botany and Plant Pathology1
Clothing, Textiles, and Related Arts1
Environmental Engineering1
Food Science and Technology1
Geology1
more Degree Fields »

Degree Level

Master's[remove]6

Degree Name

Master of Science (M.S.)6

File Format

application/pdf1

Language

English [eng]6

License

All rights reserved5

Location

Oregon, Oregon, United States, (Administrative Boundary)[remove]6
California, California, United States, (Administrative Boundary)1

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No6

Resource Type

Masters Thesis6

Rights Statement

In Copyright5
Copyright Not Evaluated1

Subject

Aquifer storage recovery -- Oregon1
Canker (Plant disease) -- Oregon1
Digital soil mapping -- Oregon1
Drug resistance in microorganisms1
Escherichia coli1
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