Index Catalog // ScholarsArchive@OSU

Douglas-fir, grand fir and plant community regeneration in three silvicultural systems in western Oregon

Creator:: Ketchum, J. Scott
Abstract:: Douglas-fir and grand fir seedling establishment and plant community regeneration were examined in a western Oregon forest following harvest in three different silvicultural systems: clearcut, two-story and patchcut. The two-story system consisted of removing all but 10 to 12 trees per acre. The patchcut system consisted of harvesting 1/2 acre...
Resource Type:: Masters Thesis

The 1993, Scott Mills aftershock sequence : moment tensor inversion and joint hypocenter determination

Creator:: Schurr, Bernd D.
Resource Type:: Masters Thesis
Full Text:: -5 a) U) j) E I [II 15 :oi Epicentral Distance [km] 0 10 20 30 40 50 Vertical Component 0 5

Finite element modeling of gusset plate failure using OpenSees

Creator:: Walker, Andrew J.
Abstract:: The collapse of the I-35W Bridge in Minneapolis, MN in 2007 prompted an investigation into the design and inspection of the steel truss bridges. Further investigation into the collapse revealed that a gusset plate experienced sway buckling, causing the bridge failure. This bridge failure motivated research into the analysis and...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Andrew J. Walker for

Juvenile Rockfish (Sebastes spp.) Community Composition and Habitat use of Yaquina Bay, Oregon

Creator:: Lindsley, Amy J.
Abstract:: Estuaries, which provide viable habitat for a plethora of fish and invertebrate species, are being increasingly impacted by anthropogenic and natural forces. Estuaries are important nursery habitat for young-of-the-year (YOY) Pacific rockfish (Sebastes spp.). Yaquina Bay, a marine-dominated estuary on the central Oregon Coast, served as a study site for...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Amy J. Lindsley

The j-Function and the Monster

Creator:: Scherer, Asa
Abstract:: The first published notion that the j-function was in any way related to the Monster came in 1979, when Conway and Norton noted in [CN79] that each coefficient in the q- expansion of the j-function could be written as a (nontrivial) integral linear combination of the dimensions of irreducible representations...
Resource Type:: Capstone Project
Full Text:: The j-Function and the Monster Asa Scherer August 16, 2010

The fate and effects of implanted autogenous osteochondral fragments on the middle carpal joint of horses

Creator:: Huber, Michael J.
Abstract:: Residual osteochondral debris represents a clinical problem associated with arthroscopic debridement and curettage of joint surfaces. At the Oregon State University Veterinary Teaching Hospital (OSU-VTH), during a period from January, 1983 to August, 1986, incidence of radiographically recognizable osteochondral debris in the carpal joints of postarthroscopic equine patients was excessive....
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for Privacy, Edward A. Scott Residual osteochondral debris represents a

Movement Patterns of Rockfishes at the Redfish Rocks Marine Reserve, Oregon

Creator:: Calvanese, Thomas P.
Abstract:: The effects of Marine protected areas (MPAs) on adult fish populations depend on the degree of protection provided, which is partly a function of MPA size and the spatial extent of fish movements. The Redfish Rocks Marine Reserve (RRMR) and MPA, located on the south coast of Oregon near Port...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Scott A. Heppell The effects of Marine protected areas (MPAs) on adult fish populations

Evaluation of a U.S. West coast groundfish habitat conservation regulation via analysis of spatial and temporal patterns of trawl fishing efforts

Creator:: Bellman, Marlene A.
Abstract:: Recent emphasis on linkages between essential fish habitat and fish stock productivity has raised concerns about the management of fishing activities such as trawling, which have the potential to impact fish habitat. Knowing specifically where and how intensively trawl effort has occurred over time provides ecologists with the necessary background...
Resource Type:: Masters Thesis
Full Text:: Trawl Fishing Effort. Abstract approved: Scott Heppell Recent emphasis on linkages between essential

Bridge Model Parameter Sensitivity in Pushover and Nonlinear Time History Analysis

Creator:: Johnsohn, Karryn E.
Abstract:: The aim of this research is to understand and quantify the modeling differences between CSiBridge and OpenSees, and to determine sensitive model parameters. When designing bridges for the high seismic region of California, the California Department of Transportation (Caltrans) performs nonlinear time history analysis of their bridge models. For three-dimensional...
Resource Type:: Masters Thesis
Full Text:: Parameter Sensitivity in Pushover and Nonlinear Time History Analysis Abstract approved: Michael H. Scott

Variation in the energy density of forage fishes and invertebrates from the southeastern Bering Sea

Creator:: Whitman, Luke D.
Abstract:: The quality and availability of forage fishes and invertebrates can affect the behavior and productivity of predators that rely on these resources. This study measures the proximate composition of forage fishes and invertebrates from the southeastern Bering Sea to estimate prey energy density (quality) using a method that is ecologically...
Resource Type:: Masters Thesis
Full Text:: Invertebrates from the Southeastern Bering Sea Abstract approved: Scott A. Heppell The

ScholarsArchive@OSU

Douglas-fir, grand fir and plant community regeneration in three silvicultural systems in western Oregon

The 1993, Scott Mills aftershock sequence : moment tensor inversion and joint hypocenter determination

Finite element modeling of gusset plate failure using OpenSees

Juvenile Rockfish (Sebastes spp.) Community Composition and Habitat use of Yaquina Bay, Oregon

The j-Function and the Monster

The fate and effects of implanted autogenous osteochondral fragments on the middle carpal joint of horses

Movement Patterns of Rockfishes at the Redfish Rocks Marine Reserve, Oregon

Evaluation of a U.S. West coast groundfish habitat conservation regulation via analysis of spatial and temporal patterns of trawl fishing efforts

Bridge Model Parameter Sensitivity in Pushover and Nonlinear Time History Analysis

Variation in the energy density of forage fishes and invertebrates from the southeastern Bering Sea

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