Index Catalog // ScholarsArchive@OSU

Short-term relationship of timber management and Pacific giant salamander populations, and the response of larval stream amphibian to predators under differing sediment levels

Creator:: Leuthold, Niels C.
Abstract:: In the Pacific Northwest, multiple studies have found negative effects of timber harvest on stream amphibians, but the results have been highly variable and region-specific. In this collection of studies, I examined the short term effect of timber harvest using a field study, and used lab work to examine a...
Resource Type:: Dissertation
Full Text:: on small details. My other committee member, Christian Torgersen and Arne Skaugset helped

Evaluating downstream channel changes in response to a small dam removal on the Calapooia River, Oregon with respect to measurement errors and prior aerial photo observed changes

Creator:: Walter, Cara
Abstract:: The objective of this study was to evaluate the use of aerial photos as a substitute for multiple-year pre-removal field data to assess the downstream channel changes associated with a small dam removal. The Brownsville Dam, a 2.1 m tall concrete dam on the Calapooia River, Oregon, was removed in...
Resource Type:: Masters Thesis

Over-wintering diet, growth, and prey available to juvenile coho salmon (Oncorhynchus kisutch) in the West Fork Smith River, Oregon

Creator:: Olegario, Anthony
Abstract:: Over-winter growth of juvenile salmonids may be linked to ocean survival and thus species persistence. Diet, growth, and prey available to juvenile coho, Oncorhynchus kisutch, were examined from December 2004 to April 2005 in four tributaries of the West Fork Smith River (WFSR), Oregon. Juvenile coho growth rate and condition...
Resource Type:: Masters Thesis
Full Text:: . Schoenholtz, and Dr. Arne E. Skaugset for their patience, guidance, and understanding during the course of

Field and laboratory strength analysis of a forest road in NW Oregon and its association with the formation of ruts

Creator:: Bord, Andrea J.
Abstract:: A one-mile section of a newly constructed forest road in Northwest Oregon was analyzed for various aspects of subgrade and surface strength and their association with the formation of ruts during the first hauling season. Field and laboratory tests were completed on the road and the road materials to determine...
Resource Type:: Masters Thesis
Full Text:: other committee members Arne Skaugset and Todd Scholz for their participation and input on my thesis

Sediment Transport Prototypes : Novel Methods to Disconnect Forest Roads from Streams

Creator:: Kemp, Erica D.
Abstract:: Unpaved roads are a critical form of infrastructure in forested landscapes but also a potential source of fine sediment that can degrade sensitive ecosystems nearby. Improved management of aggregate road surfacing can reduce sediment generation, lengthen its useful life span, reduce maintenance costs, and more importantly, mitigate the impacts of...
Resource Type:: Masters Thesis
Full Text:: Leshchinsky Kevin Boston Arne Skaugset Mary Santelmann Marvin Pyles Devlin Montefort Alex Irving

Public perceptions of sagebrush ecosystem management : a longitudinal panel study of residents in the Great Basin, 2006-2010

Creator:: Gordon, Ryan Patrick
Abstract:: Intact sagebrush communities in the Great Basin are rapidly disappearing due to invasion of non-native plants, large wildfires, and encroachment of pinyon pine and juniper woodlands. Land management options include the use of prescribed fire, grazing, herbicides and mechanical treatments to reduce the potential for wildfire and restore plant communities....
Resource Type:: Dissertation
Full Text:: well, to the members of my committee—Ed Jensen, Paul Doescher, Brent Steel, and Arne Skaugset—who

Beyond the paired-catchment approach : isotope tracing to illuminate stocks, flows, transit time, and scaling

Creator:: Hale, V. Cody
Abstract:: This dissertation integrates a process-based hydrological investigation with an ongoing paired-catchment study to better understand how forest harvest impacts catchment function at multiple scales. We do this by addressing fundamental questions related to the stocks, flows and transit times of water. Isotope tracers are used within a top-down catchment intercomparison...
Resource Type:: Dissertation
Full Text:: Graduate Committee, George Ice, Renee Brooks, Arne Skaugset, and Sam Chan, for their commitment to my

Citizen-agency interactions : an investigation of postfire environments

Creator:: Olsen, Christine Shaw
Abstract:: Wildfire management has grown increasingly complex in recent years, particularly in the West and in the Wildland-Urban Interface (WUI) where a steady population growth has resulted in greater risk to people and property. Recent trends suggest the process of recovering from large fires (>100,000 acres) will become increasingly important to...
Resource Type:: Dissertation
Full Text:: Arne Skaugset. Many others contributed to my graduate studies and research. Thanks to my friends

Scaling hydrologic impacts from road segments to a small watershed

Creator:: Royer, Timothy Adam
Abstract:: The impact of forest roads on the hydrology of forested watersheds has long been studied. While forest roads have been reported to alter storm runoff at the road segment scale, the potential for changes to be detectable at the small watershed scale has been debated. The purpose of this study...
Resource Type:: Masters Thesis
Full Text:: approved: ________________________________________________________________________________ Arne E

Exploring the Differences between Lagrangian and Eulerian Reference Frames for Stream Temperature Data

Creator:: Egan, Fey Frentress
Abstract:: Stream temperature research relies on reference frames in which to project data. An important decision in the project design is which frame of reference to use. This aspect of research planning is not always given the consideration of thought that would lead to the best decision. In this thesis, two...
Resource Type:: Honors College Thesis
Full Text:: Frentress Egan, Author Acknowledgements First, I would like to thank Arne Skaugset and Marv Pyles

ScholarsArchive@OSU

Short-term relationship of timber management and Pacific giant salamander populations, and the response of larval stream amphibian to predators under differing sediment levels

Evaluating downstream channel changes in response to a small dam removal on the Calapooia River, Oregon with respect to measurement errors and prior aerial photo observed changes

Over-wintering diet, growth, and prey available to juvenile coho salmon (Oncorhynchus kisutch) in the West Fork Smith River, Oregon

Field and laboratory strength analysis of a forest road in NW Oregon and its association with the formation of ruts

Sediment Transport Prototypes : Novel Methods to Disconnect Forest Roads from Streams

Public perceptions of sagebrush ecosystem management : a longitudinal panel study of residents in the Great Basin, 2006-2010

Beyond the paired-catchment approach : isotope tracing to illuminate stocks, flows, transit time, and scaling

Citizen-agency interactions : an investigation of postfire environments

Scaling hydrologic impacts from road segments to a small watershed

Exploring the Differences between Lagrangian and Eulerian Reference Frames for Stream Temperature Data

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