Index Catalog // ScholarsArchive@OSU

The effects of nitrogen manipulations and hydrology on the establishment and competitive abilities of wetland prairie plant species (western Oregon)

Creator:: Davis, Kimberly J.
Abstract:: Many studies suggest that weedy plant species are most successful when soil nitrogen in abundant. Consequently, I used soil nitrogen manipulations to determine if altering nitrogen would affect the establishment of both weedy and native plant species in a western Oregon wetland prairie. In two studies, we added carbon amendments...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Kimberly J. Davis for the degree of Doctor of Philosophy in Botany & Plant Pathology presented

Conservation biology of Perideridia erythrorhiza (Apiaceae) : experimental reintroduction and life history

Creator:: Roberts, Kimberly A.
Abstract:: An experimental reintroduction was performed to determine the best method to create new populations of the tuberous species Perideridia erythrorhiza, a rare vascular plant endemic to southern Oregon. Only a handful of sites are currently present, and many of these are subject to other land uses such as urban development...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kimberly A. Roberts for the

The relation of soil characteristics to growth and distribution of Chamaecyparis lawsoniana and Thuja plicata in southwestern Oregon

Creator:: Imper, David Kimberly
Abstract:: Twelve plots at six sites in southwestern Oregon were studied to determine the degree to which various soil characteristics are related to the occurrence and growth of Chamaecyparis lawsoniana and Thuja plicata. Soil profiles and vegetation were described in each plot, and measurements were made of insolation, soil and litter...
Resource Type:: Masters Thesis
Full Text:: OF DAVID KIMBERLY IMPER for the degree of MASTER OF SCIENCE in BOTANY AND PLANT PATHOLOGY presented

Photoacclimation in Marine Phytoplankton Under Various Light and Nutrient Regimes and the Resulting Effect on Photosynthetic Electron Flow and Chlorophyll Fluorescence Transients

Creator:: Brown, Matthew B.
Abstract:: Photoacclimation is the process by which plants and phytoplankton adjust the concentration and composition of their photosynthetic machinery (i.e. their photoacclimation state) in response to changes in their light or nutrient environment. The purpose of photoacclimation is to balance the rate at which light energy is absorbed with the energetic...
Resource Type:: Dissertation
Full Text:: Research. 72: 95-106 Frigerio S., C. Campoli, S. Zorzan, L. Fantoni, C. Crosatti, F. Drepper, W

Population dynamics, extraction, and response to nematicide of three plant parasitic nematodes on peppermint (mentha piperita L.)

Creator:: Merrifield, Kathryn J.
Abstract:: The efficiencies of wet sieving/sucrose centrifugation (WS/SC) recovery of Pratylenchus penetrans (59 %), Paratylenchus sp., (80 %), and Criconemella xenoplax (66 %) were established. Baermann funnels (BF) recovered significantly more P. penetrans (p = 0.01) and significantly less (p = 0.01) C. xenoplax than did WS/SC. While densities of P....
Resource Type:: Masters Thesis
Full Text:: nematicide of three plant parasitic nematodes on peppermint (mentha piperita L.) AN ABSTRACT OF THE THESIS

Suppression of take-all [Gaeumannomyces graminis (Sacc.) Arx & Olivier var. tritici Walker] of wheat (Triticum aestivum L.) by banded ammonium and chloride fertilizers

Creator:: Halsey, Mark Evan
Resource Type:: Dissertation
Full Text:: .) Arx & Olivier var. tritici Walker] of wheat (Triticum aestivum L.) by banded ammonium and chloride

Analysis of putative elements of plant signal transduction chains

Creator:: Verhey, Steven D.
Abstract:: The thesis begins with an introduction to signal transduction and an analysis of current understanding of plant signal transduction. There are similarities between plants and animals, but also key differences, including lack of protein kinase C and of a cAMP signaling pathway in plants, and presence in plants of calcium...
Resource Type:: Dissertation
Full Text:: Transduction Chains. Abstract approved: Terri L. Lomax The thesis begins with an introduction to signal

A systematic and ecological study of Astragalus diaphanus (Fabaceae)

Creator:: Wright, Carolyn E.
Abstract:: Astragalus diaphanus is a rare plant endemic to the John Day River drainage of north-central Oregon. This species has several interesting features, including the dimorphism of its fruit and its geographical isolation from the two nearest taxonomically related species, which occur in Colorado. This study addressed the species' distribution and...
Resource Type:: Masters Thesis
Full Text:: Astragalus diaphanus (Fabaceae) Abstract approved: Redacted for Privacy Kenton L. Chambers Astragalus

Seedborne Phytophthora infestans : effect of pathogen clonal lineage and potato cultivar on seed transmission of late blight and plant growth responses

Creator:: Partipilo, Heather M.
Abstract:: Seed piece to plant transmission of the potato late blight pathogen, Phytophthora infestans, occurred with isolates of the clonal lineages US-8 in Oregon and US-11 in Washington in field trials. Average transmission rate across potato cultivars was 0.5 and 2.4% with US-8, and 0.8 and 1.0% with US-11 in 1999...
Resource Type:: Masters Thesis
Full Text:: ) in A-D, Trial 1; E-H, Trial 2; and I-L, Trial 3 .............. 83 A.3 Percent emergence/day, r, of

Systematic and reproductive studies of Mimulus (Scrophulariaceae) in the Pacific Northwest : implications for conservation biology

Creator:: Meinke, Robert James
Abstract:: The Mimulus washingtonensis complex is a group of morphologically similar species centered in the Pacific Northwest. All are rare, and most are under consideration for listing as endangered. Morphometric and pollination data were used in developing a revised taxonomy for the group. Five species and two varieties are recognized. Mimulus...
Resource Type:: Dissertation
Full Text:: Northwest: Implications for Conservation Biology. Redacted for Privacy Abstract approved: Kenton L

Text mining in the biocuration workflow: applications for literature curation at WormBase, dictyBase and TAIR

Creator:: Van Auken, Kimberly, Fey, Petra, Berardini, Tanya Z., Dodson, Robert, Cooper, Laurel, Li, Donghui, Chan, Juancarlos, Li, Yuling, Basu, Siddhartha, Muller, Hans-Michael, Chisholm, Rex, Huala, Eva, Sternberg, Paul W., and WormBase Consortium
Abstract:: WormBase, dictyBase and The Arabidopsis Information Resource (TAIR) are model organism databases containing information about Caenorhabditis elegans and other nematodes, the social amoeba Dictyostelium discoideum and related Dictyostelids and the flowering plant Arabidopsis thaliana, respectively. Each database curates multiple data types from the primary research literature. In this article, we...
Resource Type:: Article
Full Text:: biocuration workflow: applications for literature curation at WormBase, dictyBase and TAIR Kimberly Van

Yield responses of invasive grasses to carbon doses

Creator:: Brunson, Jessi L.
Abstract:: The sagebrush steppe ecosystem of the northern Great Basin is severely degraded and continues to decline due in large part to the invasive, non-native annual grasses Bromus tectorum L. (cheatgrass) and Taeniatherum caput-medusae (L.) Nevski (medusahead). Restoration of invasive-dominated areas is difficult, but can be enhanced by adding a carbon...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jessi L

Development of Quantitative PCR Assays to Aid in Root-knot Nematode (Meloidogyne spp.) Diagnostics and Resistance Breeding Efforts in the Pacific Northwest

Creator:: Soule, Michelle L.
Abstract:: In the Pacific Northwest (PNW), the two most common root-knot nematodes are Meloidogyne hapla and Meloidogyne chitwoodi. These nematodes can infect a wide variety of crops and can cause significant losses. Currently, it is common for the field of nematology to use labor-intensive microscopy to identify plant-parasitic nematodes based on...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Michelle L

Insights into Novel Non-Fumigant Nematicides: Physiological and Cellular Responses of Meloidogyne Incognita and Other Plant-Parasitic Nematodes

Creator:: Wram, Catherine L.
Abstract:: Plant-parasitic nematodes (PPN) pose a severe threat to crop production with the economic losses due to nematode parasitism in excessive of US$ 80 billion each year. Meloidogyne incognita, a globally distributed pest with a diverse host range, contributes significantly to this economic loss. The most reliable way to manage PPN...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Catherine L. Wram for the degree of Doctor of Philosophy in Botany and Plant Pathology

An overview of the BioCreative 2012 Workshop Track III: interactive text mining task

Creator:: Arighi, Cecilia N., Carterette, Ben, Cohen, K. Bretonnel, Krallinger, Martin, Wilbur, W. John, Fey, Petra, Dodson, Robert, Cooper, Laurel, Van Slyke, Ceri E., Dahdul, Wasila, Mabee, Paula, Li, Donghui, Harris, Bethany, Gillespie, Marc, Jimenez, Silvia, Roberts, Phoebe, Matthews, Lisa, Becker, Kevin, Drabkin, Harold, Bello, Susan, Licata, Luana, Chatr-aryamontri, Andrew, Schaeffer, Mary L., Park, Julie, Haendel, Melissa, Van Auken, Kimberly, Li, Yuling, Chan, Juancarlos, Muller, Hans-Michael, Cui, Hong, Balhoff, James P., Wu, Johnny Chi-Yang, Lu, Zhiyong, Wei, Chih-Hsuan, Tudor, Catalina O., Raja, Kalpana, Subramani, Suresh, Natarajan, Jeyakumar, Cejuela, Juan Miguel, Dubey, Pratibha, and Wu, Cathy
Abstract:: In many databases, biocuration primarily involves literature curation, which usually involves retrieving relevant articles, extracting information that will translate into annotations and identifying new incoming literature. As the volume of biological literature increases, the use of text mining to assist in biocuration becomes increasingly relevant. A number of groups have...
Resource Type:: Article
Full Text:: Licata17, Andrew Chatr-aryamontri18, Mary L. Schaeffer19, Julie Park20, Melissa Haendel21, Kimberly Van

The Gene Ontology in 2010: extensions and refinements

Creator:: Gene Ontology Consortium, Berardini, Tanya Z., Li, Donghui, Huala, Eva, Bridges, Susan, Burgess, Shane, McCarthy, Fiona, Carbon, Seth, Lewis, Suzanna E., Mungall, Christopher J., Abdulla, Amina, Wood, Valerie, Feltrin, Erika, Valle, Giorgio, Chisholm, Rex L., Fey, Petra, Gaudet, Pascale, Kibbe, Warren, Basu, Siddhartha, Bushmanova, Yulia, Eilbeck, Karen, Siegele, Deborah A., McIntosh, Brenley, Renfro, Daniel, Zweifel, Adrienne, Hu, James C., Harris, Midori A., Deegan, Jennifer I., Ireland, Amelia, Lomax, Jane, Jaiswal, Pankaj, Chibucos, Marcus, Gwinn-Giglio, Michelle, Wortman, Jennifer, Hannick, Linda, Madupu, Ramana, Botstein, David, Dolinski, Kara, Livstone, Michael S., Oughtred, Rose, Blake, Judith A., Bult, Carol, Diehl, Alexander D., Dolan, Mary, Drabkin, Harold, Eppig, Janan T., Hill, David P., Ni, Li, Ringwald, Martin, Sitnikov, Dmitry, Collmer, Candace, Torto-Alalibo, Trudy, Laulederkind, Stan, Shimoyama, Mary, Twigger, Simon, D'Eustachio, Peter, Matthews, Lisa, Balakrishnan, Rama, Binkley, Gail, Cherry, J. Michael, Christie, Karen R., Costanzo, Maria C., Engel, Stacia R., Fisk, Dianna G., Hirschman, Jodi E., Hitz, Benjamin C., Hong, Eurie L., Krieger, Cynthia J., Miyasato, Stuart R., Nash, Robert S., Park, Julie, Skrzypek, Marek S., Weng, Shuai, Wong, Edith D., Aslett, Martin, Chan, Juancarlos, Kishore, Ranjana, Sternberg, Paul, Van Auken, Kimberly, Khodiyar, Varsha K., Lovering, Ruth C., and Talmud, Philippa J.
Abstract:: The Gene Ontology (GO) Consortium (http://www.geneontology.org) (GOC) continues to develop, maintain and use a set of structured, controlled vocabularies for the annotation of genes, gene products and sequences. The GO ontologies are expanding both in content and in structure. Several new relationship types have been introduced and used, along with...
Resource Type:: Article
Full Text:: ); Rex L. Chisholm, Petra Fey, Pascale Gaudet, Warren Kibbe, Siddhartha Basu, Yulia Bushmanova (dictyBase

Fire effects on wetland prairie species : final report

Creator:: Clark, Deborah L., Wilson, Mark V., and Clark, Deborah Louise, 1950-
Abstract:: Wetland prairies of the Willamette Valley, considered among the rarest of Oregon’s ecosystems, are threatened by invasion of woody species and non-native species. Because of its historical importance, fire is a top choice of managers for preventing the encroachment of woody species. However, the effects of prescribed burning on present...
Resource Type:: Technical Report
Full Text:: Prairie Plant Species FINAL REPORT Prepared by Deborah L. Clark and Mark V

Abandoning Sverdrup’s critical depth hypothesis on phytoplankton blooms

Creator:: Behrenfeld, Michael J.
Abstract:: The Critical Depth Hypothesis formalized by Sverdrup in 1953 posits that vernal phytoplankton blooms occur when surface mixing shoals to a depth shallower than a critical depth horizon defining the point where phytoplankton growth exceeds losses. This hypothesis has since served as a cornerstone in plankton ecology and reﬂects the...
Resource Type:: Article
Full Text:: , not in the spring, (2) coupling between phytoplankton growth (l) and losses increases during spring

Phylogeny, cospeciation, and host switching in the evolution of the ascomycete genus Rhabdocline on Pseudotsuga and Larix (Pinaceae)

Creator:: Gernandt, David S.
Abstract:: The relative role of cospeciation and host switching in the phylogenetic history of ascomycete foliar symbionts is addressed in the orders Leotiales and Rhytismatales, fungi associated predominantly with Pinaceae (Coniferales). Emphasis is placed on comparing the evolution of the sister genera Pseudotsuga and Larix (Pinaceae) with that of the pathogenic...
Resource Type:: Dissertation
Full Text:: current western North American hosts, L. occidentalis, L. lyallii, and very recently may have extended

Identification of quantitative trait loci (QTL) for resistance to Fusarium crown rot (Fusarium pseudograminearum) in multiple assay environments in the Pacific Northwestern US

Creator:: Poole, G. J., Smiley, R. W., Paulitz, T. C., Walker, C. A., Carter, A. H., and See, D. R.
Abstract:: Fusarium crown rot (FCR), caused by and , reduces wheat ( L.) yields in the Pacific Northwest (PNW) of the US by as much as 35%. Resistance to FCR has not yet been discovered in currently grown PNW wheat cultivars. Several significant quantitative trait loci (QTL) for FCR resistance have...
Resource Type:: Article
Full Text:: wheat (Triticum aestivum L.) yields in the Pacific Northwest (PNW) of the US by as much as 35

Non-target Effects of Biological Control: Ecological Risk of Tyria jacobaeae (Lepidoptera: Erebidae) to Senecio triangularis (Asteraceae) in Western Oregon

Creator:: Rodman, Madison G.
Abstract:: Non-target effects are one of the greatest potential risks of weed biological control programs, and understanding non-target effects of biological control at the population level is crucial for predicting when they will occur and altering the perception of biological control as a whole. In this thesis, we assessed the ecological...
Resource Type:: Masters Thesis
Full Text:: a whole. In this thesis, we assessed the ecological risk of Tyria jacobaeae L. (Lepidoptera

A G-type Lectin Receptor-like Kinase Associated with Septoria Canker Resistance and Susceptibility Described using Multi-omics and Biotechnology

Creator:: Lenz, Ryan R.
Abstract:: Managers of forest and plantation ecosystems are encountering growing problems involving plant pathogens and the expanding geographic ranges of these pathogens. Historically unexposed stands are exceptionally vulnerable when a non-native pathogen is introduced because these pathogens can cause devastating disease in a host population that lacks co-evolved resistance mechanisms. One...
Resource Type:: Dissertation
Full Text:: (RLP1, RLP2, L-type LecRLK) and one with susceptibility (G-type LecRLK). The work in this dissertation

Lichen Biomonitoring from Valley to Alpine in Central and Southern California

Creator:: Kovasi, Adrienne I.
Abstract:: In the mountains of central and southern California, high elevation wilderness areas lack epiphytic lichens that can be used to inform us about atmospheric deposition in multiple ways. Epiphytic lichens are capable of accumulating elements proportionally to the local atmospheric concentration, establishing them as commonly used biomonitor of key elements....
Resource Type:: Masters Thesis
Full Text:: (Jovan et al., 2021). Letharia vulpina (L.) Hue (henceforth “Letharia”) is a chartreuse green fruticose

Salt marsh reestablishment following dike breaching in the Salmon River estuary, Oregon

Creator:: Mitchell, Diane Lynne
Abstract:: A 22 ha, 1S yeas old, diked permanent pasture in the Salmon River estuary in Lincoln County, Oregon, was chosen for a study to determine the potential for natural salt marsh restoration with dike breaching. Two undiked fragments of relatively undisturbed salt marsh, one at each end of the study...
Resource Type:: Dissertation
Full Text:: same period an "L"-shaped marina channel was created on Area 50 with the dredged material used to

Why pest plant control and native plant establishment failed : a restoration autopsy

Creator:: Wilson, Mark V., Ingersoll, Cheryl A., Clark, Deborah Louise, 1950-, and Wilson, Mark G.
Abstract:: Explaining restoration failure can be as important as touting success. We used a series of studies to understand the failure of techniques commonly used to restore wetland prairies in the Willamette Valley of western Oregon. Burning, fallowing, and solarization (covering tilled plots with plastic sheeting to heat the soil) had...
Resource Type:: Article
Full Text:: , OR 97204 Deborah L. Clark Biology Program Oregon State University Corvallis, OR 97331 USA • R E

Preliminary Genomic Characterization of Ten Hardwood Tree Species from Multiplexed Low Coverage Whole Genome Sequencing

Creator:: Staton, Margaret, Best, Teodora, Khodwekar, Sudhir, Owusu, Sandra, Xu, Tao, Xu, Yi, Jennings, Tara, Cronn, Richard, Arumuganathan, A. Kathiravetpilla, Coggeshall, Mark, Gailing, Oliver, Liang, Haiying, Romero-Severson, Jeanne, Schlarbaum, Scott, and Carlson, John E.
Abstract:: Forest health issues are on the rise in the United States, resulting from introduction of alien pests and diseases, coupled with abiotic stresses related to climate change. Increasingly, forest scientists are finding genetic/genomic resources valuable in addressing forest health issues. For a set of ten ecologically and economically important native...
Resource Type:: Article
Full Text:: L.), blackgum (Nyssa sylva- ticaMarshall), green ash (Fraxinus pennsylvanicaMarshall), honeylocust

The Role of Plant-soil Feedback in the Invasion of Brachypodium sylvaticum in Douglas-fir Forests

Creator:: Esterson, Andrew
Abstract:: Invasive plants have the capacity to transform landscapes and alter ecosystem function, causing significant economic and ecological damage. These effects include displacement and reduction of native flora and fauna, altered fire regimes, modification of biotic and abiotic soil properties, as well as local, regional, and global economic impacts. With such...
Resource Type:: Masters Thesis
Full Text:: Interpretations.” Journal of Ecology 98 (5): 1063–73. 7 Brooks, Matthew L., Carla M. D’Antonio, David

Annual cycles of ecological disturbance and recovery underlying the subarctic Atlantic spring plankton bloom

Creator:: Behrenfeld, Michael J., Doney, Scott C., Lima, Ivan, Boss, Emmanuel S., and Siegel, David A.
Abstract:: Satellite measurements allow global assessments of phytoplankton concentrations and, from observed temporal changes in biomass, direct access to net biomass accumulation rates (r). For the subarctic Atlantic basin, analysis of annual cycles in r reveals that initiation of the annual blooming phase does not occur in spring after stratification surpasses...
Resource Type:: Article
Full Text:: ) and loss (l) rates within the mixed layer. The difference between these two rates defines r (i.e., r

2006 Integrated pest management resource guide

Creator:: Jepson, Paul C., Brewer, Linda J., Jepson, Susan B., and Oregon State University. Extension Service
Abstract:: This publication is offered as a reference to Integrated Pest Management (IPM) resources available to Oregon growers. It highlights university, federal, state, and private services and resources that provide support to growers in the implementation of IPM programs. The Guide consists of five sections: • An introduction to the National...
Resource Type:: Technical Report
Full Text:: b ee ts , po ta to es , h op s, m in t T re e fr ui t, nu ts S m al l f ru its H

Effects of fire on seedling establishment in upland prairies in the Willamette Valley, Oregon

Creator:: Maret, Mary P.
Abstract:: Prior to European settlement, native prairie dominated the landscape of the Willamette Valley. Today, due to urbanization, agriculture, and the cessation of burning, only isolated remnants of these grasslands still exist. In response to conservation concerns, there has been a move to restore the remaining prairies in the Willamette Valley,...
Resource Type:: Masters Thesis
Full Text:: processing. I appreciate my fellow students, Deborah Clark, and Kimberly Davis, for their assistance with

Epidemic Dynamics of Sudden Oak Death in the Forests of Oregon

Creator:: Carson, Adam
Abstract:: Sudden Oak Death (SOD) is a forest disease caused by the oomycete pathogen Phytophthora ramorum, and infects trees in the Western United States and Europe. This generalist pathogen can infect over 130 species of plants, and causes rapid mortality in tree species in the Fagaceae. Sexual reproduction is thought to...
Resource Type:: Masters Thesis
Full Text:: Spatafora throughout my time at OSU. Additionally, thanks to Dianne Simpson, Kimberly Callahan, and Blaine

Comparative epidemiology of Phytophthora diseases of Rhododendron

Creator:: Taylor, Clare Rebecca
Abstract:: Rhododendron species are host to many Phytophthora species and are an important crop in the nursery industry. The foliar epidemiology of twelve Phytophthora diseases on Rhododendron was studied in field and growth chamber experiments on two Rhododendron cultivars. The relative aggressiveness of Phytophthora spp. was assessed using disease incidence, severity,...
Resource Type:: Masters Thesis
Full Text:: members of the Grünwald lab, particularly; Kimberly Graham for carrying out the detached leaf

An Exploration of the Ecological and Geographical Variability of Rhizopus microsporus Clinical and Environmental Isolates

Creator:: Stairs, Brandon S.
Abstract:: Rhizopus microsporus is a globally ubiquitous opportunistic human and plant pathogen that is known to harbor endosymbiotic bacteria. Differences between populations of clinical and environmental R. microsporus isolates have yet to be assessed on a global scale. Whole-genome sequence data were used to explore fungal biology and to assess potential...
Resource Type:: Masters Thesis
Full Text:: culturing, thermotolerance assay, and molecular techniques. Kimberly Syring performed the Nanopore

Chaparral history, dynamics, and response to disturbance in southwest Oregon : insights from age structure

Creator:: Duren, Olivia
Abstract:: Fuels management on Bureau of Land Management lands in SW Oregon, USA, is motivated by the needs to reduce fire hazard and restore ecosystems thought to be impacted by fire suppression. Chaparral is one of the most characteristic vegetation communities of SW Oregon's interior valleys, and extensive acreages within this...
Resource Type:: Masters Thesis
Full Text:: well as to Annette Parsons and Kimberly Hackett of the Medford BLM for sharing indispensible datasets

Insights into the pathology and epidemiology of Phytophthora ramorum, causal agent of sudden oak death

Creator:: Daniels, Hazel A.
Abstract:: Sudden oak death is caused by the clonally reproducing generalist oomycete Phytophthora ramorum. The pathogen can infect more than 130 different plant hosts including Quercus spp., Larix kaempferi, and Notholithocarpus densiflorus, as well as common nursery genera such as Rhododendron and Camelia, where it causes symptoms ranging from bleeding cankers...
Resource Type:: Dissertation
Full Text:: and Plant Pathology, and I especially wish to thank Dianne Simpson, Kimberly Callahan, and Blaine

The association of epiphytic macrolichens and bryophytes with riparian stand types along a valley continuum, Oregon Coast Range

Creator:: Ruchty, Andrea M.
Abstract:: I surveyed epiphytic macrolichens and bryophytes in six stands in each of seven riparian stand types in the Oregon Coast Range. This study (Chapter 2) describes the association of epiphytes with stand types and the corresponding potential of forest canopy conversions to affect epiphyte communities. Species composition, diversity, and representation...
Resource Type:: Masters Thesis
Full Text:: cetrarioides, Hypogymnia inactiva, Lobaria ore gana and L. pulmonaria) we tested whether canopy composition

Conservation of Sidalcea nelsoniana through habitat management : effects of burning, mowing, and altered flooding regime on a rare Willamette Valley perennial

Creator:: Bartels, Marilynn R.
Abstract:: Active habitat management plays a key role in the preservation of native ecosystems and rare species, especially in the Willamette Valley of Oregon, where natural succession to woodlands threatens the few wetland prairies remaining after 150 years of agriculture and urbanization. Sidalcea nelsoniana, listed as threatened under the federal Endangered...
Resource Type:: Masters Thesis
Full Text:: additional financial support. I thank fellow lab members Deborah Clark, Jennifer Goodridge, Kimberly Davis

Epiphytic macrolichens in relation to forest management and topography in a western Oregon watershed

Creator:: Berryman, Shanti D.
Abstract:: This dissertation describes patterns in epiphytic macrolichen community composition, diversity, and biomass across various stand types in the Blue River watershed of western Oregon. It first examines the relative importance of ecological factors such as stand age, remnant tree retention, and topography to lichen communities in the landscape. It then...
Resource Type:: Dissertation
Full Text:: . Kimberly Conley curated lichens and entered data for the project. I thank my many friends in Corvallis

Inferring Patterns and Processes of Emergence in Clonal Phytophthora Epidemics using Population Genomic Approaches

Creator:: Cauldron, Nicholas C.
Abstract:: Oomycete and fungal pathogens threaten food, fiber, and forests around the world. With climate change, these pathogens are expected to emerge more frequently. Evolution can facilitate their emergence through mechanisms such as mutations that change or expand host range. Characterizing evolutionary mechanisms in plant pathogens will contribute to our ability...
Resource Type:: Dissertation
Full Text:: staff of BPP including Dianne Simpson and Kimberly Callahan. I thank current and former analysts and

Permineralized Mesozoic Moss Gametophytes and their Implications for Bryophyte Evolution

Creator:: Bippus, Alexander C.
Abstract:: Mosses (Phylum Bryophyta) are widely considered to be among the most ancient groups of land plants (embryophytes) and they are the second most speciose embryophyte phylum with ~13,000 extant species. Despite their diversity and antiquity, mosses have a limited fossil record, which primarily consists of gametophytes entombed in Cenozoic amber....
Resource Type:: Dissertation
Full Text:: tenure here. I am particularly grateful to Dianne Simpson, Kimberly Callahan, and Blaine Baker for

Integration of Evolutionary Theory and Genomics to Understand Processes Involved in Host Adaptation and Divergence in Phytophthora Plant Pathogens

Creator:: Tabima, Javier F.
Abstract:: Modern plant pathology benefits from integrating methods and concepts from evolutionary biology. For example, evolutionary concepts are used to identify and examine species boundaries of plant pathogens, recognize processes underlying pathogen biogeography, identify traits that characterize emerging species, and discover new molecular interactions that originate under processes of selection. In...
Resource Type:: Dissertation
Full Text:: everything. To Dr. Caroline Press, Meg Larsen, and Val Fieland, Kimberly Bellingham-Johnstun, Dr. Sydney

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