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Filtering by: Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School Subject Agricultural pollution Remove constraint Subject: Agricultural pollution

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Emerging infectious disease in lentic environments : the ecology and biogeography of the amphibian chytrid fungus Batrachochytrium dendrobatidis, with perspectives on water quality, limnology, and chemical contaminants

Creator:

Chestnut, Tara

Abstract:

Biodiversity losses in terrestrial, freshwater, and marine systems are accelerating at a global scale and the most threatened vertebrate taxa are those associated with freshwater habitats. The causes of biodiversity losses are often complex and include synergistic effects of natural and human-induced stressors, such as habitat loss and fragmentation, urbanization,...

Resource Type:

Dissertation
Peppermint irrigation and nitrogen management for the reduction of nitrate loading to groundwater

Creator:

Smesrud, Jason K.

Abstract:

The agricultural production of peppermint has been shown to contribute significant quantities of nitrate-nitrogen to groundwater recharge. In an effort to provide new tools for increasing nitrogen efficiency within peppermint production, three research questions were proposed: i) How should plant tissue samples be collected to achieve the greatest precision when...

Resource Type:

Masters Thesis
Effects of atrazine on olfactory-mediated behaviors in Pacific lamprey (Entosphenus tridentatus)

Creator:

Smith, April G.

Abstract:

Pacific lamprey (Entosphenus tridentatus) are experiencing population declines throughout their range. Xenobiotics could be an important risk factor for lamprey populations. Our goal was to establish if common herbicides, as used in forest management, could affect reproductive fitness. We determined that atrazine was a likely compound of greatest concern to...

Resource Type:

Masters Thesis
Role of a grass riparian zone in controlling the fate of nitrogen in a poorly drained agricultural landscape

Creator:

Davis, Jennifer H.

Abstract:

Riparian ecosystems, through their unique positions in the agricultural landscape, have the potential to mitigate nutrient loading to streams. This study was conducted to gain a better understanding of N cycling in a poorly drained Grass Riparian Zone (GRZ) and adjacent Perennial Ryegrass seed Field (PRF) in the Willamette Valley,...

Resource Type:

Dissertation

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Academic Affiliation

Bioresource Engineering1
Crop and Soil Science1
Fisheries and Wildlife1

Advisor

Blaustein, Andrew R.1
Griffith, Stephen M.1
Horwath, William R.1
Olson, Deanna1
Schreck, Carl B.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1998 to 2015

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Committee Member

Christensen, Neil1
English, Marshall1
Ganio, Lisa1
Gitelman, Alix I.1
Hall, Jean1
more Committee Members »

Creator

Chestnut, Tara1
Davis, Jennifer H.1
Smesrud, Jason K.1
Smith, April G.1

Date

Date range begin – Date range end

Current results range from 1998 to 2014

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Decade

2010-20192
2000-20091
1990-19991

Degree Field

Bioresource Engineering1
Environmental Sciences1
Fisheries Science1
Soil Science1

Degree Level

Doctoral2
Master's2

Degree Name

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

Language

English [eng]4

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School[remove]4

Peer Reviewed

No4

Resource Type

Dissertation2
Masters Thesis2

Rights Statement

In Copyright3
Copyright Not Evaluated1

Subject

Agricultural pollution[remove]4
Amphibian declines1
Atrazine -- Environmental aspects1
Batrachochytrium dendrobatidis -- Climatic factors -- Alaska1
Batrachochytrium dendrobatidis -- Oregon1
more Subjects »

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