Index Catalog // ScholarsArchive@OSU

Long term albacore (Thunnus alalunga) spatio-temporal association with environmental variability in the Northeastern Pacific

Creator:: Phillips, A. Jason
Abstract:: This study investigated long-term (1961-2008) changes in albacore (Thunnus alalunga) abundance and distribution in relation to local environmental and large-scale climate indices in the Northeastern Pacific using time series and spatial analyses. Prior to the time series analysis, a wavelet analysis was conducted to examine nonrandom patterns of cyclical variability...
Resource Type:: Masters Thesis
Full Text:: OF THE THESIS OF A. Jason Phillips for the degree of Master of Science in Oceanography

New insights on an old topic : understanding the effects of forest harvest on trout in the context of climate

Creator:: Penaluna, Brooke E.
Abstract:: Studies of the effects of forest harvest on streams and fish have a long history in the Pacific Northwest. Results of this work have prompted development of new forest harvest practices that are more protective of these resources, but the effectiveness of these new practices has not been fully evaluated....
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Jason B. Dunham Studies of the effects of forest harvest on streams and fish have a long

Vitamin A status of vegetarians

Creator:: Schardt, David G.
Resource Type:: Masters Thesis
Full Text:: A Status of Vegetarians ABSTRACT APPROVED: „.. . , . . . Lorraine T. Miller, PhD. In

Internal curing of high-performance concrete for bridge decks

Creator:: Deboodt, Tyler
Abstract:: High performance concrete (HPC) provides a long lasting, durable concrete that is typically used in bridge decks due to its low permeability, high abrasion resistance, freeze-thaw resistance and strength. However, this type of concrete is highly susceptible to the deleterious effects of both autogenous and drying shrinkage. Both types of...
Resource Type:: Masters Thesis
Full Text:: . Title: Internal Curing of High-Performance Concrete for Bridge Decks Abstract approved: Jason

Comparison between thermophilic and mesophilic aerobic biological treatment of a synthetic organic waste

Creator:: Streebin, Leale E.
Abstract:: Temperature is one of the most important factors affecting microbial activity and consequently is of great importance in a biological waste treatment system. Extensive research has been carried out to determine the effects of temperature on biological reactions in the temperature range of 20° to 35° Centigrade. It is generally...
Resource Type:: Dissertation

Spatial and temporal dynamics of the Douglas-fir bark beetle (Dendroctonus pseudotsugae, Hopk.) in the Detroit Ranger District, Oregon : a landscape ecology perspective

Creator:: Powers, Jennifer Sarah
Abstract:: I developed a conceptual model of Douglas-fir bark beetle dynamics and associated host mortality across spatial and temporal scales. I proposed that a hierarchy of factors influence host resistance to attack at different spatial scales. I then tested this model by measuring the association between the occurrence of beetle-kill and...
Resource Type:: Masters Thesis
Full Text:: , Oregon: a Landscape Ecology Perspective. Abstract approved: Phillip Sollins I developed a

Triticum enhancer of zeste 1 (Tezl), a homolog of enhancer of zeste in Triticum monococcum

Creator:: Nunes, Jason L.
Abstract:: The Polycomb group (PcG) of genes of Drosophila melanogaster Meigen are involved in developmental regulation through chromatin remodeling. Homologs of PcG genes have been identified in both plant and animal species. In this study, we detail the identification and characterization of Triticum enhancer of zeste 1 (Tez1), a homolog of...
Resource Type:: Masters Thesis
Full Text:: Zeste in Triticum monococctim by Jason L. Nunes A THESIS submitted to Oregon State University in

Dynamics of water-soluble carbon in forest soils of contrasting fertility

Creator:: Wagai, Rota
Abstract:: Most soil organic C is in a stable form, associated with clay minerals in the upper soil profile. Upon environmental and land-use changes, stable soil C is subject to losses, which influence the global C cycle and the productivity of terrestrial ecosystems. However, mechanisms controlling soil C destabilization are not...
Resource Type:: Masters Thesis

Regional changes in landscape pattern and carbon stores in the interior of British Columbia as determined by satellite imagery

Creator:: Sachs, Donald
Abstract:: The detection and mapping of large scale changes to forested landscapes is increasingly important in ecology and management. I used Landsat TM and MSS imagery to map forest cover in 1992 for a 4.2 million ha area of the interior of British Columbia with an overall classification accuracy of 79%....
Resource Type:: Dissertation

Physical and chemical characteristics of riparian soils two third order streams in the western Cascades of Oregon

Creator:: Gillham, Marla L.
Abstract:: Study objectives were to survey and compare physical and chemical characteristics of soils within two thirdorder montane riparian ecosystems: a 500-year old Douglas fir (Pseudotsuga menzlesii) forest at Mack Creek, and a mature red alder (Alnus rubra) forest occupying a 35-year old clearcut at Quartz Creek, both near Blue River,...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Long term albacore (Thunnus alalunga) spatio-temporal association with environmental variability in the Northeastern Pacific

New insights on an old topic : understanding the effects of forest harvest on trout in the context of climate

Vitamin A status of vegetarians

Internal curing of high-performance concrete for bridge decks

Comparison between thermophilic and mesophilic aerobic biological treatment of a synthetic organic waste

Spatial and temporal dynamics of the Douglas-fir bark beetle (Dendroctonus pseudotsugae, Hopk.) in the Detroit Ranger District, Oregon : a landscape ecology perspective

Triticum enhancer of zeste 1 (Tezl), a homolog of enhancer of zeste in Triticum monococcum

Dynamics of water-soluble carbon in forest soils of contrasting fertility

Regional changes in landscape pattern and carbon stores in the interior of British Columbia as determined by satellite imagery

Physical and chemical characteristics of riparian soils two third order streams in the western Cascades of Oregon

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