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Influence of Soil Texture on Carbon Storage of PNW Coastal Blue Carbon Ecosystems

Creator:: Fox, Conner S.
Abstract:: Coastal blue carbon ecosystems offer a variety of important ecosystem services, including exceptional rates of carbon sequestration and long-term carbon storage. Because these ecosystems disproportionately influence global carbon cycling, understanding their soil characteristics may help guide long-term climate change mitigation and adaptation strategies. Recently, Kauffman et al. (2020) observed the...
Resource Type:: Honors College Thesis
Full Text:: Storage of PNW Coastal Blue Carbon Ecosystems by Sage Fox A THESIS Submitted to Oregon

Life cycle analysis of mass timber and reinforced concrete three-story structures

Creator:: Brown, David
Abstract:: With growing awareness of the negative impacts of the built environment, solutions for dramatic environmental, economic, and social improvements are sparking in all sectors, especially within the construction industry. The work of this thesis aims to quantify and compare social, economic, and environmental impacts of a three-story mass timber structure...
Resource Type:: Honors College Thesis
Full Text:: Scholar) Presented May 22, 2023 Commencement June 2023 AN

Identification of Barriers to Industrial Energy Efficiency Improvement in the Pacific Northwest

Creator:: Martz, Allison M.
Abstract:: The US industrial sector accounts for about one-third of the nation’s energy consumption and is predicted to grow twice as quickly as other sectors through 2050. International organizations such as the International Energy Agency project energy efficiency improvements will account for over 40% of greenhouse gas emissions reductions through 2040....
Resource Type:: Honors College Thesis
Full Text:: entities. To better understand these issues in the Pacific Northwest (PNW), an analysis of implementation

Effect of Fire Severity on Forest Development in a Mature Douglas-fir Forest in Western Oregon

Creator:: Hidzick, Maxim S.
Abstract:: Wildfires can create alternative pathways for forest development, and wildfires have expanded in size, frequency, intensity, and severity across the western United States. The purpose of this paper is to compare forest development of a mature Douglas-fir forest in western Oregon across fire severities. Postburn field measurements were collected in...
Resource Type:: Honors College Thesis
Full Text:: Northwest (PNW) of the United States, wildfires serve a variety of ecosystem processes. Stand replacing

Honey bee (Apis mellifera) colony strength and its effects on pollination and yield in highbush blueberries (Vaccinium corymbosum)

Creator:: Grant, Kennedy J.
Abstract:: Many pollination studies with honey bees have examined the effect of colony density on crop yield and yet overlook the effect of variation in the population size of these colonies. High colony density in northern highbush blueberry has been met with concerns from beekeepers who feel higher densities will intensify...
Resource Type:: Honors College Thesis
Full Text:: production in the Pacific Northwest (PNW; Oregon and Washington) has been rapidly expanding with a 21

Elucidating patterns of fungal epiphyte and endophyte growth on a variety of carbon substrates

Creator:: Thapliyal, Mrinal
Abstract:: Coastal Douglas-fir (Pseudotsuga menziesii var. menziesii), a keystone species in the Pacific Northwest, relies on symbioses with microorganisms to obtain nutrients, potentially defend against pathogens, and perform a variety of other tasks. Two of the tree’s primary fungal symbionts are foliar epiphytes and endophytes, which reside on the exterior or...
Resource Type:: Honors College Thesis
Full Text:: , forward and reverse reads were obtained for all 22 samples via MCLabs. Samples were also sent to the

Effects of Contemporary Forest Practices on Stream Nutrients, Temperature, and Periphyton in Small Headwater Streams

Creator:: Pimont, Cedric
Abstract:: Forest harvest practices can impact nutrient concentrations and stream temperatures, altering aquatic ecosystems. To better inform future sustainable forest resource management practices, quantifying the impact of current practices on water quality, particularly in headwater streams is important. In this study, I quantified monthly nitrate-nitrite (N) and orthophosphate (P) concentrations, 7-day...
Resource Type:: Honors College Thesis
Full Text:: USA and southwestern Canada, PNW) has often resulted in average daily maximum stream temperature

Variation of the Trowbridge's shrew (Sorex trowbridgii) diet across forest types in the Oregon Cascades

Creator:: Yates, Margaret E.
Abstract:: Investigating the insectivorous diet of the Trowbridge’s shrew (Sorex trowbridgii) across forest types can illustrate how forest management affects biotic communities. I used DNA metabarcoding methods with ANML primers to identify stomach and intestines contents from shrews caught in pitfall traps in the HJ Andrews Experimental Forest (HJA) and Willamette...
Resource Type:: Honors College Thesis
Full Text:: was categorized into ‘simple structure’ (< 22), ‘plantation’ (22- 45), and ‘complex’ (> 45) forests

Effects of Fuel Reduction Treatments on Surface Fire Behavior in Juniper Woodland Ecosystems

Creator:: Williams, Claire L.
Abstract:: Juniper (Juniperus spp.) woodlands are native but expanding ecological communities that were historically limited by the natural fire return interval of the sagebrush (Artemisia spp.) steppe. These woodlands are often a mix of pinyon pine (Pinus spp.) and juniper that have increased significantly over the last century. This expansion has...
Resource Type:: Honors College Thesis
Full Text:: family for their constant support. 22 Appendix: Time-series images Year 0 Year 1

Lamb growth and pasture production in agrivoltaic production system

Creator:: Andrew, Alyssa C.
Abstract:: Grasslands and croplands located in temperate agro-ecologies are ranked to be the best places to install solar panels for maximum energy production. Therefore, agrivoltaic systems (agricultural production under solar panels) are designed to mutually benefit solar energy and agricultural production in the same location for dual-use of land. However, both...
Resource Type:: Honors College Thesis
Full Text:: pastures may require higher water consumption in arid and semiarid regions as compared to PNW with a mild

ScholarsArchive@OSU

Influence of Soil Texture on Carbon Storage of PNW Coastal Blue Carbon Ecosystems

Life cycle analysis of mass timber and reinforced concrete three-story structures

Identification of Barriers to Industrial Energy Efficiency Improvement in the Pacific Northwest

Effect of Fire Severity on Forest Development in a Mature Douglas-fir Forest in Western Oregon

Honey bee (Apis mellifera) colony strength and its effects on pollination and yield in highbush blueberries (Vaccinium corymbosum)

Elucidating patterns of fungal epiphyte and endophyte growth on a variety of carbon substrates

Effects of Contemporary Forest Practices on Stream Nutrients, Temperature, and Periphyton in Small Headwater Streams

Variation of the Trowbridge's shrew (Sorex trowbridgii) diet across forest types in the Oregon Cascades

Effects of Fuel Reduction Treatments on Surface Fire Behavior in Juniper Woodland Ecosystems

Lamb growth and pasture production in agrivoltaic production system

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