Index Catalog // ScholarsArchive@OSU

Characterization of soil carbon and nitrogen pools following a decade of detritus manipulation in a temperate coniferous forest

Creator:: Wilson, Lea I.
Abstract:: Soil organic matter (SOM) is the result of the balance between decomposition and incorporation of detritus from both above and below ground sources into the soil. It composes only a fraction of the soil by mass but it is one of the most critical components. The Detritus Input and Removal...
Resource Type:: Honors College Thesis
Full Text:: )adventure. I have a host of others to thank: Dr. Patricia Muir for taking time out of her other duties

Patterns in understory vegetation communities across canopy gaps in young, Douglas-fir forests of western Oregon

Creator:: Fahey, Robert T.
Abstract:: Canopy gap formation is a major factor contributing to maintenance of overstory species diversity and stand structure in forests and may be integral to development of understory shrub and herb layers as well. Acknowledgement of gap formation as a fundamental feature of natural forests has led to consideration of gaps...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Klaus J. Puettmann Canopy gap formation is a major factor contributing to maintenance of

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:: structure and composition have changed over the past 100 to 150 years, with a particular focus on the

Aboveground vegetation and viable seed bank of a dry mixed-conifer forest at a wildland-urban interface in Washington state

Creator:: Snider, Gabrielle
Abstract:: Dry coniferous forests in the western United States are experiencing severe wildfires, insect outbreaks, forest disease epidemics and a growing presence of invasive species. Policies strongly emphasize reducing hazardous fuels at the Wildland Urban Interface (WUI) where communities and forests intersect. However, these areas present restoration challenges as they tend...
Resource Type:: Masters Thesis
Full Text:: Resources presented on March 17, 2010. Title: Aboveground Vegetation and Viable Seed Bank of a Dry Mixed

Community gradients of Arctic macrolichens in relation to succession, grazing and the environment

Creator:: Holt, Emily A.
Abstract:: The purpose of this dissertation was to define macrolichen community gradients in relation to succession, grazing and the environment. First, species scores indicating when macrolichen species appeared following disturbance were derived from the literature. Weighted averaging of these data with a community matrix created a successional score for each sample...
Resource Type:: Dissertation
Full Text:: OF Emily A. Holt for the degree of Doctor of Philosophy in Botany and Plant Pathology

Conservation of Oenothera wolfii (Onagraceae) : introducing a threatened plant into two protected locations in Oregon

Creator:: Currin, Rebecca E.
Abstract:: The showy biennial to short-lived perennial Oenothera wolfii (Munz) Raven, Dietrich & Stubbe (Wolf’s evening primrose) occurs in only a small number of isolated populations on the southern Oregon and northern California coast. This rare species is currently listed as Threatened in Oregon, and is considered a Species of Concern...
Resource Type:: Masters Thesis
Full Text:: Pathology presented on March 6, 2007. Title: Conservation of Oenothera wolfii (Onagraceae): Introducing a

Ozone caused changes in competition between Western wheatgrass and Sideoats grama

Creator:: Ziminski, Peter K.
Resource Type:: Masters Thesis
Full Text:: were conducted using two commonly associated range grasses, Western wheatgrass (Agropyron smithii), a

Aspects of the ecology and morphology of Lupinus littoralis Dougl.

Creator:: Clark, Ellen Deehan
Resource Type:: Masters Thesis
Full Text:: a distinct pattern of distribution, in relation to the active foredune, on a recently prograded

The influence of herbivore generated inputs on nutrient cycling and soil processes in a lower montane tropical rain forest of Puerto Rico

Creator:: Fonte, Steven J.
Abstract:: The role of insect herbivores in the nutrient cycling dynamics of forest ecosystems remains poorly understood. Although past research in herbivory has focused primarily on the deleterious effects that insects can have on tree growth and mortality, the overall effects of herbivory are more complex. Herbivores have the potential to...
Resource Type:: Masters Thesis
Full Text:: Herbivore Generated Inputs on Nutrient Cycling and Soil Processes in a Lower Montane Tropical Rain Forest

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:: : _______________________________________________________________ David E. Hibbs Disturbance and microclimate interact to play a central role influencing

ScholarsArchive@OSU

Characterization of soil carbon and nitrogen pools following a decade of detritus manipulation in a temperate coniferous forest

Patterns in understory vegetation communities across canopy gaps in young, Douglas-fir forests of western Oregon

Disturbance and dynamics of riparian forests in southwestern Oregon

Aboveground vegetation and viable seed bank of a dry mixed-conifer forest at a wildland-urban interface in Washington state

Community gradients of Arctic macrolichens in relation to succession, grazing and the environment

Conservation of Oenothera wolfii (Onagraceae) : introducing a threatened plant into two protected locations in Oregon

Ozone caused changes in competition between Western wheatgrass and Sideoats grama

Aspects of the ecology and morphology of Lupinus littoralis Dougl.

The influence of herbivore generated inputs on nutrient cycling and soil processes in a lower montane tropical rain forest of Puerto Rico

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

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