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Filtering by: Creator Stevenson, John Remove constraint Creator: Stevenson, John Committee Member Bottomley, Peter Remove constraint Committee Member: Bottomley, Peter

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Association of hydrophobic organic compounds with dissolved soil organic carbon

Creator:

Ochs, Michael

Abstract:

Volatile hydrophobic compounds (HOCs) brought into soil and sediment systems represent a serious threat to the environment. Dissolved organic carbon (DOC) may exert an important influence over the total aqueous solubility and mobility of organic pollutants through their incorporation into micelles or the formation of soluble complexes. To date, however,...

Resource Type:

Masters Thesis

Full Text:

Dissolved Soil Organic Carbon. Redacted for Privacy Abstract approved: John Baham Volatile hydrophobic
The Biogeochemistry of nitrogen and phosphorus cycling in native shrub ecosystems in Senegal

Creator:

Dossa, Ekw'e Lokossou, 1960-

Abstract:

Two native shrub species (Piliostigma reticulatum and Guiera senegalensis) are prominent vegetation components in farmers’ fields in Senegal. However, their role in nutrient cycling and ecosystem function has largely been overlooked. A study including both laboratory and field experiments was conducted to evaluate potential biophysical interactions of the two shrub...

Resource Type:

Dissertation

Full Text:

and also to Drs. John Baham, Jennifer Field, Kim Anderson and Maria Dragila for their time
Preliminary investigation of microbial indicators in the assessment of Oregon streams

Creator:

Campbell, Heidi M. K.

Abstract:

The Environmental Monitoring and Assessment Program (EMAP) site selection protocol was used to generate a random sample of streams throughout the state of Oregon. One hundred and forty-six selected streams were sampled during the summer, low-flow period of 1997. Traditional microbial public health indicators, including heterotrophic plate counts (HPC), total...

Resource Type:

Masters Thesis

Full Text:

, John Day River 27 2h Snake River Basin, Rock Creek 27 3a Population Distribution of Heterotrophic
Interactions of ammonia monooxygenase in Nitrosomonas europaea with hydrocarbons and substituted hydrocarbons

Creator:

Keener, William Kelvin

Resource Type:

Dissertation
Remediation of atrazine in irrigation runoff by a constructed wetland

Creator:

Runes, Heather B.

Abstract:

Due to its frequent use in agriculture and its frequent detection in surface water, atrazine was chosen as a model compound to study the treatment capability of a surface flow wetland used to remediate irrigation runoff at a container nursery near Portland, Oregon. Further evaluation of treatment of atrazine was...

Resource Type:

Dissertation

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Academic Affiliation

Botany and Plant Pathology1
Crop and Soil Science1
Environmental and Molecular Toxicology1
Public Health1
Soil Science1

Advisor

Arp, Daniel J.1
Baham, John1
Dick, Richard P.1
Harding, Anna K.1
Jenkins, Jeffrey1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1989 to 2007

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Committee Member

Bottomley, Peter[remove]5
Burns, Leslie1
Collier, Robert1
Compton, Jana E.1
Field, Jennifer1
more Committee Members »

Creator

Campbell, Heidi M. K.1
Dossa, Ekw'e Lokossou, 1960 1
Keener, William Kelvin1
Ochs, Michael1
Runes, Heather B.1

Date

Date range begin – Date range end

Current results range from 1988 to 2006

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Decade

2000-20092
1990-19992
1980-19891

Degree Field

Soil Science2
Botany and Plant Pathology1
Environmental Health Management1
Toxicology1

Degree Level

Doctoral3
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)2

File Format

application/pdf2

Language

English [eng]5

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Dissertation3
Masters Thesis2

Rights Statement

Copyright Not Evaluated3
In Copyright2

Subject

Agricultural pollution -- Biodegradation -- Oregon1
Atrazine -- Biodegradation -- Oregon1
Bauhinia reticulata -- Senegal1
Crops -- Nutrition -- Senegal1
Guiera senegalensis -- Senegal1
more Subjects »

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