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Filtering by: Committee Member Puettmann, Klaus Remove constraint Committee Member: Puettmann, Klaus Resource Type Masters Thesis Remove constraint Resource Type: Masters Thesis

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Assessment of the Impact of Forest Management Activities on Forest Aesthetics Using Photogrammetric Point Clouds

Creator:

Begay, Bryan E.

Abstract:

The public concern for clearcutting in the United States in the 1970s pushed for changes in the natural resources policies. A facet of forest management that came under scrutiny was forest aesthetics. Therefore, the aim of this study is to assess the impact of harvest designs on stand aesthetics using...

Resource Type:

Masters Thesis
Sources of Soil Carbon Loss from Soil Density Fractionation: Soluble Pools or Methodology?

Creator:

Gordon, Ester K.

Abstract:

Soil is the largest terrestrial store of carbon (C) making it a critical component of the global C cycle. To model global carbon budgets more accurately we need to understand dynamics and turnover of the many different functional soil C pools that exist in soil. Many different methods are used...

Resource Type:

Masters Thesis
Elucidating Key Aspects of the Biology of Select Species of Snail-killing Flies (Diptera: Sciomyzidae) in Oregon

Creator:

Alzahrani, Fares

Abstract:

Members of the family Sciomyzidae, known as snail-killing or marsh flies, are unique amongst insects in that the vast majority of reared species feed exclusively on mollusks and as a result their biological control potential has been well documented in the scientific literature. However, in North America there is a...

Resource Type:

Masters Thesis
The Effect of Sill Height on Decay in Air-Seasoning Crossties

Creator:

Rogers, Leon R.

Abstract:

The sustainable use of wood for rail ties requires chemical treatment to increase service life and maintain structural integrity. Treatment can only be applied after lengthy air-seasoning to reduce moisture content in wood, but seasoning leaves ties exposed to attack by decay fungi for up to a year. One factor...

Resource Type:

Masters Thesis
Winter Squash: Production and Storage of a Late Winter Local Food

Creator:

Wetzel, Jennifer D.

Abstract:

Winter squash is an important late winter vegetable crop for local and regional markets; however, farmers in western Oregon report that this crop is marginally profitable due to losses in storage and relatively low yields for the high culinary value kabocha and buttercup types. In order to increase the sales...

Resource Type:

Masters Thesis
Distribution, habitat associations, and conservation status of Pacific fisher (Pekania pennanti) in Oregon.

Creator:

Barry, Brent R.

Abstract:

Fishers (Pekania pennanti) are medium sized mustelids endemic to North America. Two fisher populations persist in Oregon: an indigenous population in southwestern Oregon, and a reintroduced population in the southern Cascade Mountains. Despite candidacy for listing under the Endangered Species Act, current information on fisher populations in Oregon is scarce....

Resource Type:

Masters Thesis
Assessing the impact of garden education programs on motivational engagement and academic achievement

Creator:

Gupta, Abha

Abstract:

School garden programs have become increasingly popular for their diverse, positive benefits. School gardens are often promoted as a relatively low cost means to offer hands-on learning opportunities that may foster academic achievement, particularly in the sciences, however only six studies have been published on the impact of garden education...

Resource Type:

Masters Thesis
An Investigation of soil, vegetation and mycorrhizal characteristics associated with native grass re-esablishment in crested wheatgrass seedings

Creator:

Raven, Karen A.

Abstract:

Since the 1930's, many fields on the Crooked River National grasslands have been seeded to crested wheatgrass (Agropyron desertorum). While some of these fields remain dominated by crested wheatgrass others had a greater presence of deep rooted native perennial grasses such as bluebunch wheatgrass (Pseudoroegneria spicata). Twenty eight fields previously...

Resource Type:

Masters Thesis
Impacts of fuel reduction thinning treatments on oak and chaparral communities of southwestern Oregon

Creator:

Perchemlides, Keith A.

Abstract:

In response to concerns about excessive stand densities and high-severity wildfires, land managers in the western United States are carrying out extensive programs of fuel reduction thinning. How will these sudden reductions in canopy cover and associated changes in habitat affect native and exotic herbaceous vegetation and canopy species regeneration?...

Resource Type:

Masters Thesis
Effects of spatially dispersed green-tree retention on ectomycorrhiza diversity

Creator:

Kolaczkowski, Oralia

Abstract:

The Demonstration for Ecosystem Management Options (DEMO) study originated out of the changing management priorities associated with federal forest lands in the Pacific Northwest which included an objective to maintain mature and old-growth forest characteristics in managed stands. The DEMO project examines the effects that different levels and patterns of...

Resource Type:

Masters Thesis

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Academic Affiliation

Forest Science2
Horticulture2
Wood Science and Engineering2
Botany and Plant Pathology1
College of Agricultural Sciences1
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Advisor

Buckhouse, John C.1
Gartner, Barbara L.1
Lajtha, Kate1
Langellotto, Gail1
Levi, Taal1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2003 to 2021

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Committee Member

Puettmann, Klaus[remove]12
McCune, Bruce2
Parke, Jennifer2
Azarenko, Anita1
Brooks, J. Renee1
more Committee Members »

Creator

Alzahrani, Fares1
Barry, Brent R.1
Begay, Bryan E.1
Garber, Sean M.1
Gordon, Ester K.1
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Contributor

Fitzgerald, Stephen1
Strimbu, Bogdan1

Date

Date range begin – Date range end

Current results range from 2002 to 2020

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Decade

2020-20292
2010-20195
2000-20095

Degree Field

Forest Science2
Horticulture2
Wood Science2
Botany and Plant Pathology1
Crop Science1
more Degree Fields »

Degree Level

Master's12

Degree Name

Master of Science (M.S.)12

Language

English [eng]12

License

All rights reserved11

Location

Oregon, Oregon, United States, (Administrative Boundary)1

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No10

Resource Type

Masters Thesis[remove]12

Rights Statement

In Copyright12

Subject

Abies grandis -- Cascade Range -- Growth1
Academic achievement1
Chaparral -- Thinning -- Oregon1
Crested wheatgrass -- Seedlings -- Ecophysiology -- Oregon1
Douglas fir -- Growth1
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