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Spatiotemporal Assessment of Crop Histories in the Pacific Northwest

Creator:: Kumbhakar, Ishika G.
Abstract:: The cultivated potato (Solanum tuberosum) is one of the most important food crops in the United States, as well as globally. As demand rises, growers in the Pacific Northwest are revisiting their crop management strategies to determine whether there are additional ways to enhance crop productivity while managing plant and...
Resource Type:: Masters Thesis
Full Text:: entire PNW, the states within that region, and geographical sub-regions. This characterization of the

Ecophysiology of the cyanolichen Lobaria oregana

Creator:: Antoine, Marie E.
Abstract:: This thesis consists of three manuscripts describing ecophysiological research on the cyanolichen Lobaria oregana. The first manuscript includes a re-evaluation of the assumptions underlying past estimates of N fixation by this species and provides an estimate of annual N fixation at the Wind River Canopy Crane (WRCC). Based upon litterfall...
Resource Type:: Masters Thesis
Full Text:: oregana 3 Abstract 4 Introduction 4 Nitrogen fixation by cyanolichens in PNW old-growth forests - ------4

Riparian lichens of northern Idaho

Creator:: Hutchinson, Jenifer L.
Abstract:: Riparian forests in the Idaho Panhandle, north of Whitebird, were surveyed for rare riparian lichen species. The region was stratified into nine geographic units and by stream size. Eighty-one plots were surveyed for lichen community, stand and river characteristics. Variables important to lichen community composition included regional differences, elevation, climatic...
Resource Type:: Masters Thesis
Full Text:: the Rocky Mountains, southern interior British Columbia, and the coastal Pacific Northwest (PNW

Impacts of ponderosa pine forest restoration treatments on the ectomycorrhizal fungal community and fine root biomass in the Blue Mountains of Oregon

Creator:: Smith, Jane E. (Jane Elizabeth)
Abstract:: Before the arrival of Euro-Americans, the inland Pacific Northwest was settled by native people whose frequent intentional burning of the landscape promoted open stands dominated by large fire-resistant ponderosa pine. Fire suppression for nearly a century, livestock grazing, and logging of the largest trees has resulted in forests characterized by...
Resource Type:: Dissertation
Full Text:: Forest Service PNW Research Station and by a grant from USDA National Research Initiative (96-03 859

Responses of Pacific Northwest prairies to soil nutrient manipulations : implications for restoration of Castilleja levisecta and control of invasive species

Creator:: Lawrence, Caitlin E.
Abstract:: Pacific Northwest prairies have become significantly reduced in extent, and in the Willamette Valley of Oregon, less than one percent of native upland prairies remain. Many species have been impacted by this extreme loss of habitat, including Castilleja levisecta (golden paintbrush), a threatened hemiparasitic forb species endemic to the Pacific...
Resource Type:: Masters Thesis
Full Text:: In the U.S. Pacific Northwest (PNW), prairies have become significantly reduced in extent since

Foliar respiration in an old-growth coniferous forest

Creator:: Cooper, Clifton E.
Abstract:: Foliar respiration forms a large component of the carbon balance of any coniferous forest. We examine seasonal, interannual, spatial and interspecific variation of foliar maintenance respiration in a forest in Washington, USA, with measurements made quarterly for >4 years on 400-year old trees of Pseudotsuga menziesii, Tsuga heterophylla and Thuja...
Resource Type:: Dissertation

Impact of raspberry bushy dwarf virus, raspberry leaf mottle virus, and raspberry latent virus on plant growth and fruit crumbliness in red raspberry (Rubus idaeus L.) 'Meeker'

Creator:: Quito-Avila, Diego F.
Abstract:: The United States is the third-largest producer of raspberries in the world. Washington State leads the nation in red raspberry (Rubus idaeus L.) production. 'Meeker', the most grown red raspberry cultivar in the Pacific Northwest (Washington, Oregon and British Columbia, Canada) is highly susceptible to Raspberry crumbly fruit, a virusinduced...
Resource Type:: Dissertation
Full Text:: ”. Chapter 1: Introduction Diego F. Quito-Avila 2 The Pacific Northwest (PNW) (Oregon

Studies on the etiology and epidemiology of bull's eye rot of pears

Creator:: Henriquez, Jose Luis, 1961-
Abstract:: The objective of this dissertation is to introduce low-cost processing methods for the fabrication of ZnO transparent thin-film transistors (TTFTs). A novel method for depositing ZnO body layers via spin-coating of a zinc nitrate-based spin solution is presented. The processing conditions of spin-coated ZnO are optimized to produce continuous and...
Resource Type:: Dissertation
Full Text:: postharvest disease in the Pacific Northwest (PNW) and is found in most of the fruit-growing areas of British

Mycorrhizal fungi and their relationship to plant succession in subalpine habitats

Creator:: Cazares, Efren
Resource Type:: Dissertation

Pathological and ecological aspects of decline and mortality of Chamaecyparis nootkatensis in southeast Alaska

Creator:: Hennon, Paul Edward
Abstract:: Alaska-cedar (Chamaecvparis nootkatensIs (D. Don) Spach) is a valuable tree that is suffering from a serious decline and mortality of unknown cause throughout southeast Alaska. Epidemiological and pathological studies were initiated to determine if a pathogen is the primary cause of this problem. By examining old aerial photographs and by...
Resource Type:: Dissertation
Full Text:: . The setting. Forest Service Gen. Tech. Rep. PNW-12. Pacific Northwest Forest and Range Exp. Sta

ScholarsArchive@OSU

Spatiotemporal Assessment of Crop Histories in the Pacific Northwest

Ecophysiology of the cyanolichen Lobaria oregana

Riparian lichens of northern Idaho

Impacts of ponderosa pine forest restoration treatments on the ectomycorrhizal fungal community and fine root biomass in the Blue Mountains of Oregon

Responses of Pacific Northwest prairies to soil nutrient manipulations : implications for restoration of Castilleja levisecta and control of invasive species

Foliar respiration in an old-growth coniferous forest

Impact of raspberry bushy dwarf virus, raspberry leaf mottle virus, and raspberry latent virus on plant growth and fruit crumbliness in red raspberry (Rubus idaeus L.) 'Meeker'

Studies on the etiology and epidemiology of bull's eye rot of pears

Mycorrhizal fungi and their relationship to plant succession in subalpine habitats

Pathological and ecological aspects of decline and mortality of Chamaecyparis nootkatensis in southeast Alaska

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