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Stand Structure of Old Growth Dry Mixed Conifer Forests in the Deschutes and Ochoco National Forests

Creator:: Merschel, Andrew G.
Abstract:: Old-growth dry-mixed conifer forests are valued as habitats for late seral forest species, for the ecosystem services and landscape diversity they provide, and for their aesthetic appeal. The structure of these forests has been heavily altered by historic logging of overstory ponderosa pine and Douglas-fir. Additionally, changes in fire regime...
Resource Type:: Honors College Thesis
Full Text:: . The first analysis was an accuracy assessment of the GNN forest vegetation map’s ability to predict

Distribution of Chlorociboria species in riparian forests of Western Oregon

Creator:: Kramer, Olivia E.
Abstract:: Transects were run at five locations in the Benton County area searching for samples of Chlorociboria spp. on dead wood, with fifteen total samples found. Of these samples, eight samples had the wood species identified, with the majority found on Acer macrophyllum and one on Salix spp. The density of...
Resource Type:: Honors College Thesis
Full Text:: for Chlorociboria research (10-11). There is not much known about the distribution of

DNA Mismatch Repair-Dependent Suppression of Genotoxicity of Benzo[a]pyrene Diol Epoxide

Creator:: Kernan, Casey P.
Abstract:: DNA mismatch repair (MMR) plays an important role in preserving genomic stability and reducing cancer risk. Environmental exposures to polycyclic aromatic hydrocarbons (PAHs) are believed to contribute significantly to carcinogenesis. PAHs are found in food, air, water and soil and upon bioactivation can form diol epoxides which are electrophilic in...
Resource Type:: Honors College Thesis
Full Text:: the degree of Honors Baccalaureate of Science in Bioresource Research presented on May 25th, 2012

Wildfire Severity Has a Minimal Influence on Pollen Diversity Used by Developing Mason Bees (Osmia lignaria) in Mixed Conifer Forest

Creator:: Bell, Nicole C. S.
Abstract:: Native bees are critically important organisms that support biodiversity and crop production via their pollination services. Wildfires in temperate conifer forests can increase bee abundance and flowering plant density due to increased light exposure, but little information is available regarding how wildfire severity influences provisioning to bee offspring, which is...
Resource Type:: Honors College Thesis
Full Text:: Managed Forests Research Program in the College of Forestry at Oregon State University, the URSA

Relationships of hydraulic traits and wood morphology in Douglas-fir branches from wet vs. dry regions and sites

Creator:: Flamenco, Herman Noe, Jr.
Abstract:: It is well known that water transport in xylem depends on its anatomy, but recent research shows that water transport through different parts of the growth ring are affected by the water potential in different ways. The goal of the project was to learn the extent to which wood morphology...
Resource Type:: Honors College Thesis
Full Text:: Honors Baccalaureate of Science in Forest Management (Honors Associate) Honors Baccalaureate of Arts

Native wildlife species (Pseudacris regilla) utilizing invasive-dominated habitat in a highly disturbed ecosystem

Creator:: Epperly, Haley K.
Abstract:: The Pacific Treefrog (Pseudacris regilla) is commonly encountered throughout the Pacific Northwest and can be an indicator for ecosystem health. At each life stage P. regilla utilizes a different habitat and therefore it is important to understand habitat use at all life stages to properly manage the ecosystem, however, few...
Resource Type:: Honors College Thesis
Full Text:: Honors Baccalaureate of Science in Bioresource Research and Biology project of Haley Epperly presented

Native bees, honeybees and pollination in Oregon cranberries

Creator:: McKenney, Melissa A.
Abstract:: Farmers rely almost exclusively on the imported European honeybee (Apis mellifera L.) for fruit and vegetable crop pollination services. The recent decline in honeybee health has underscored he danger of relying on a single species to provide vital services. Increasing pollinator biodiversity with native bees may provide biological insurance against...
Resource Type:: Honors College Thesis
Full Text:: the degree of Honors Baccalaureate of Science in BioResource Research presented on May 21,2010. Title

A comparison of three certification systems with the 2005 McDonald-Dunn Forest plan revision

Creator:: Starker, Anna
Abstract:: This study compares the requirements of three forest certification systems, the Sustainable Forestry Institute (SFI), the Forest Stewardship Council (FSC), and the International Organization for Standardization (ISO), with the 2005 McDonald-Dunn Forest Plan Revision. The analysis was done with a series of matrices comparing the requirements of SFI and FSC...
Resource Type:: Honors College Thesis
Full Text:: would limit other research, be expensive, and restrict the outreach ability of the forest regarding

Estimating the economic net returns of Oregon & Washington forests with regard to climate change

Creator:: Johnson, Zoe I.
Abstract:: Little work has been conducted regarding the net returns of forest lands. The Ricardian model is ripe with potential to estimate the effects of climate on net returns to forestry. Multiple linear regression allows each climate variable to measure its effect of net returns with the assumption of all other...
Resource Type:: Honors College Thesis
Full Text:: index across forests of the western United States. Canadian Journal of Forest Research, 41: 17101721

Investigation into the Hydrologic Separation of Bound and Mobile Water in Forest SoilUsing Isotopic Analysis

Creator:: DeGeorge, Dustin
Abstract:: How water moves through soils is of importance to studies of stream hydrology and biogeochemistry. Although translatory flow, which states how soil water is displaced by additional precipitation into streams, is a widely accepted model, Brooks et al. (2010) found evidence that challenged this model. They suggested that there are...
Resource Type:: Honors College Thesis
Full Text:: of 41 degrees within Watershed 01 of the research forest. The soil type is Frissell, which is a

ScholarsArchive@OSU

Stand Structure of Old Growth Dry Mixed Conifer Forests in the Deschutes and Ochoco National Forests

Distribution of Chlorociboria species in riparian forests of Western Oregon

DNA Mismatch Repair-Dependent Suppression of Genotoxicity of Benzo[a]pyrene Diol Epoxide

Wildfire Severity Has a Minimal Influence on Pollen Diversity Used by Developing Mason Bees (Osmia lignaria) in Mixed Conifer Forest

Relationships of hydraulic traits and wood morphology in Douglas-fir branches from wet vs. dry regions and sites

Native wildlife species (Pseudacris regilla) utilizing invasive-dominated habitat in a highly disturbed ecosystem

Native bees, honeybees and pollination in Oregon cranberries

A comparison of three certification systems with the 2005 McDonald-Dunn Forest plan revision

Estimating the economic net returns of Oregon & Washington forests with regard to climate change

Investigation into the Hydrologic Separation of Bound and Mobile Water in Forest SoilUsing Isotopic Analysis

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