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Filtering by: Creator United States. Forest Service. Intermountain Region Remove constraint Creator: United States. Forest Service. Intermountain Region Committee Member Doescher, Paul Remove constraint Committee Member: Doescher, Paul Resource Type Masters Thesis Remove constraint Resource Type: Masters Thesis

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Plant community recovery after high severity wildfire and post-fire management in the Klamath Region

Creator:

Lopez Ortiz, Maria Jose

Abstract:

Disturbance and microclimate interact to play a central role influencing the composition and structure of plant communities. In this thesis, I examined plant community composition and structure twenty years after high severity wildfires with and without post-fire management (salvage logging, fuel treatment, tree planting, and shrub release) under contrasting microclimatic...

Resource Type:

Masters Thesis

Full Text:

force in the western United States (Taylor and Skinner 1998), influencing forest structure and species
Persistence of western juniper resource islands following canopy removal

Creator:

Miwa, Christopher

Abstract:

Western juniper (Juniperus occidentalis) cover has more than doubled within the last century and currently occupies over 9 million acres in the Intermountain West. Encroachment has altered the spatial distribution of soil nutrients and plants in these systems, forming nutrient enriched 'resource islands,' under tree canopies. The purpose of this...

Resource Type:

Masters Thesis

Full Text:

degraded (20% of the worlds pastures and rangeland) (FAO, 1996; UNEP, 2002). In the United States
Influence of silvicultural treatments, overstory, and understory vegetation on quaking aspen (Populus tremuloides) regeneration in southeastern Idaho

Creator:

Muñoz, Bethany L.

Abstract:

Quaking aspen (Populus tremuloides Michx.) is known to be a widely distributed, shade-intolerant and short-lived hardwood found in both seral, even-aged and stable, uneven aged stands. There have been reports of extensive aspen mortality, crown thinning, and branch dieback across North America that have been linked to the occurrence of...

Resource Type:

Masters Thesis

Full Text:

climate change (Rehfeldt et al., 2009). Within the US Forest Service’s Rocky Mountain Region, it was
Quaking aspen persistence in three Oregon landscapes

Creator:

Seager, S. Trent

Abstract:

Quaking aspen (Populus tremuloides) is an important tree species in the western United States and there has been much concern about its persistence. In this thesis, I report on aspen in a portion of its range that has not been previously evaluated: the eastern and western slopes of the Central...

Resource Type:

Masters Thesis

Full Text:

. General Technical Report RM-119. United States Department of Agriculture Forest Service, Fort Collins
Spatial and age class analysis of managed western juniper (Juniperus occidentalis) woodlands in central Oregon

Creator:

Zophy, Kelley T.

Abstract:

Juniper is a native species to Oregon and confers ecological benefits to wildlife when it is at savannah and transitional densities. Its range and extent have fluctuated with climatic change, but the current range expansion is unprecedented in its extent. The range expansion has been associated with the degradation of...

Resource Type:

Masters Thesis

Full Text:

western United States (Pierson et al. 2002). Shrublands provide habitat to 70 species of mammals and
Disturbance and dynamics of riparian forests in southwestern Oregon

Creator:

Messier, Michael S.

Abstract:

Fire exclusion has been associated with structural and compositional changes in many upland forests of the western United States, but little is known about the impacts on riparian forests, portions of the landscape protected for habitat and water quality. For this study, I characterized the historic disturbance and tree recruitment...

Resource Type:

Masters Thesis

Full Text:

with structural and compositional changes in many upland forests of the western United States, but
Climate-growth relationships of western juniper and ponderosa pine at the pine-woodland ecotone in southern Oregon

Creator:

Knutson, Kevin C.

Abstract:

Pinyon-juniper woodlands throughout the western U.S. have expanded rapidly following European settlement during the late 19th century. In central and eastern Oregon, western juniper (Juniperus occidentalis var. occidentalis Hook.) encroachment has been previously documented in the sagebrush steppe and upper elevation aspen communities. While these vegetation changes and dynamics have...

Resource Type:

Masters Thesis

Full Text:

Basin and Range physiographic province of the United States (Hunt 1967). Geology is generally
A characterization of seasonal pools in Central Oregon's high desert

Creator:

Dlugolecki, Laura

Abstract:

Seasonal wetlands in arid and semi-arid lands provide an important source of surface water in otherwise dry lands. Central Oregon's high desert, located in the Northern Great Basin (NGB) is dotted with hundreds of seasonal pools, locally called playas. The playas hold water or snow during parts of winter and...

Resource Type:

Masters Thesis

Full Text:

western United States, the Mediterranean-type climate, characterized by dry summers and wet winters, is
Modeling slope stability uncertainty : a case study at the Andrews Experimental Forest

Creator:

Murillo, Michelle L.

Abstract:

A simple debris-slide model, employing a digital elevation model (DEM) and geological data, was used in a geographic information system (GIS) to map slope stability in the Andrews Experimental Forest, located in the western Cascade Range in Oregon, USA. To evaluate the contribution of error in elevation to the uncertainty...

Resource Type:

Masters Thesis

Full Text:

the Department of Forest Science, Oregon State University, and the U.S. Forest Service Pacific
Effects of wildfire burn severity on soil microbial communitiesand invasive plant species in the Cascade Range of Oregon

Creator:

Hebel, Cassie L.

Abstract:

Fire suppression in the last several decades has resulted in unprecedented accumulations of organic matter on the landscape, leading to an increase in large, intense wildfires. This study investigated the soil microbial community (using phospholipid fatty acid analysis) across recently burned forests on the eastern slope of the Cascade Range...

Resource Type:

Masters Thesis

Full Text:

both the USDA Forest Service, Pacific Northwest Research Station and Oregon State University

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Academic Affiliation

Rangeland Resources6
Forest Science4
Forest Engineering Resources and Management3
Forest Resources2
Horticulture2
more Academic Affiliations »

Advisor

Pyke, David A.3
Kauffman, J. Boone2
Reuter, Ron2
Bailey, John1
Buckhouse, John C.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1987 to 2015

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Committee Member

Doescher, Paul[remove]23
Muir, Patricia2
Noller, Jay2
Albert, Dennis1
Anthony, Robert1
more Committee Members »

Creator

Ben Thlija, Abdellaziz1
Brickner, Alexis H.1
Dlugolecki, Laura1
Esposito, Daniel M.1
Harris, Norman Rex1
more Creators »

Date

Date range begin – Date range end

Current results range from 1986 to 2014

View distribution

Decade

2010-20197
2000-20099
1990-19996
1980-19891

Degree Field

Rangeland Resources6
Forest Resources5
Forest Science5
Environmental Sciences2
Horticulture2
more Degree Fields »

Degree Level

Master's23

Degree Name

Master of Science (M.S.)23

File Format

application/pdf6
pdf1

Language

English [eng]23

License

All rights reserved13

Location

Soda Springs, Idaho, United States, (Populated Place)1

Non-Academic Affiliation

Oregon State University. Graduate School23

Peer Reviewed

No22

Resource Type

Masters Thesis[remove]23

Rights Statement

In Copyright15
Copyright Not Evaluated8

Subject

Agroforestry systems -- Oregon -- Corvallis1
Artemisia -- Habitat -- Columbia River1
Artemisia -- Reintroduction -- Columbia River1
Cactus1
Cheatgrass brome -- Control -- Oregon, Eastern1
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