Index Catalog // ScholarsArchive@OSU

Resource Selection by the California Condor (Gymnogyps californianus) Relative to Terrestrial-Based Habitats and Meteorological Conditions

Creator:: Rivers, James W., Johnson, J. Matthew, Haig, Susan M., Schwarz, Carl J., Glendening, John W., Burnett, L. Joseph, George, Daniel, and Grantham, Jesse
Abstract:: Condors and vultures are distinct from most other terrestrial birds because they use extensive soaring flight for their daily movements. Therefore, assessing resource selection by these avian scavengers requires quantifying the availability of terrestrial-based habitats, as well as meteorological variables that influence atmospheric conditions necessary for soaring. In this study,...
Resource Type:: Article

Evaluating Multi-Level Models to Test Occupancy State Responses of Plethodontid Salamanders

Creator:: Kroll, Andrew J., Garcia, Tiffany S., Jones, Jay E., Dugger, Katie, Murden, Blake, Johnson, Josh, Peterman, Summer, Brintz, Ben, and Rochelle, Michael
Abstract:: Correction 23 Dec 2015: The PLOS ONE Staff (2015) Correction: Evaluating Multi-Level Models to Test Occupancy State Responses of Plethodontid Salamanders. PLOS ONE 10(12): e0145899. https://doi.org/10.1371/journal.pone.0145899
Resource Type:: Article

Assessing the Health of the U.S. West Coast with a Regional-Scale Application of the Ocean Health Index

Creator:: Halpern, Benjamin S., Longo, Catherine, Scarborough, Courtney, Hardy, Darren, Best, Benjamin D., Doney, Scott C., Katona, Steven K., McLeod, Karen L., Rosenberg, Andrew A., and Samhouri, Jameal F.
Abstract:: Management of marine ecosystems increasingly demands comprehensive and quantitative assessments of ocean health, but lacks a tool to do so. We applied the recently developed Ocean Health Index to assess ocean health in the relatively data-rich US west coast region. The overall region scored 71 out of 100, with sub-regions...
Resource Type:: Article

Ungulate Browsing Maintains Shrub Diversity in the Absence of Episodic Disturbance in Seasonally-Arid Conifer Forest

Creator:: Pekin, Burak K., Wisdom, Michael J., Endress, Bryan A., Naylor, Bridgett J., and Parks, Catherine G.
Abstract:: Ungulates exert a strong influence on the composition and diversity of vegetation communities. However, little is known about how ungulate browsing pressure interacts with episodic disturbances such as fire and stand thinning. We assessed shrub responses to variable browsing pressure by cattle and elk in fuels treated (mechanical removal of...
Resource Type:: Article
Full Text:: States of America, 3 Department of Forest Ecosystems and Society, Oregon State University, Corvallis

Local Variability Mediates Vulnerability of Trout Populations to Land Use and Climate Change

Creator:: Penaluna, Brooke E., Dunham, Jason B., Railsback, Steve F., Arismendi, Ivan, Johnson, Sherri L., Bilby, Robert E., Safeeq, Mohammad, and Skaugset, Arne E.
Abstract:: Land use and climate change occur simultaneously around the globe. Fully understanding their separate and combined effects requires a mechanistic understanding at the local scale where their effects are ultimately realized. Here we applied an individual-based model of fish population dynamics to evaluate the role of local stream variability in...
Resource Type:: Article
Full Text:: of America, 2 Department of Fisheries andWildlife, Oregon State University, 104 Nash Hall, Corvallis

Non-Native Plant Invasion along Elevation and Canopy Closure Gradients in a Middle Rocky Mountain Ecosystem

Creator:: Averett, Joshua P., McCune, Bruce, Parks, Catherine G., Naylor, Bridgett J., DelCurto, Tim, and Mata-González, Ricardo
Abstract:: Mountain environments are currently among the ecosystems least invaded by non-native species; however, mountains are increasingly under threat of non-native plant invasion. The slow pace of exotic plant invasions in mountain ecosystems is likely due to a combination of low anthropogenic disturbances, low propagule supply, and extreme/steep environmental gradients. The...
Resource Type:: Article

Spatial Ecological Processes and Local Factors Predict the Distribution and Abundance of Spawning by Steelhead (Oncorhynchus mykiss) across a Complex Riverscape

Creator:: Falke, Jeffrey A., Dunham, Jason B., Jordan, Christopher E., McNyset, Kristina M., and Reeves, Gordon H.
Abstract:: Processes that influence habitat selection in landscapes involve the interaction of habitat composition and configuration and are particularly important for species with complex life cycles. We assessed the relative influence of landscape spatial processes and local habitat characteristics on patterns in the distribution and abundance of spawning steelhead (Oncorhynchus mykiss),...
Resource Type:: Article

Ethanol and High-Value Terpene Co-Production from Lignocellulosic Biomass of Cymbopogon flexuosus and Cymbopogon martinii

Creator:: Joyce, Blake L., Zheljazkov, Valtcho D., Sykes, Robert, Cantrell, Charles L., Hamilton, Choo, Mann, David G., Rodriguez, Miguel, Mielenz, Jonathan R., Astatkie, Tess, and Stewart, C. Neal, Jr.
Abstract:: Cymbopogon flexuosus, lemongrass, and C. martinii, palmarosa, are perennial grasses grown to produce essential oils for the fragrance industry. The objectives of this study were (1) to evaluate biomass and oil yields as a function of nitrogen and sulfur fertilization, and (2) to characterize their utility for lignocellulosic ethanol compared...
Resource Type:: Article
Full Text:: , 37996, United States of America, 2 Columbia Basin Agricultural Research Station, Oregon State University

Deciphering the Cryptic Genome: Genome-wide Analyses of the Rice Pathogen Fusarium fujikuroi Reveal Complex Regulation of Secondary Metabolism and Novel Metabolites

Creator:: Wiemann, Philipp, Sieber, Christian M. K., von Bargen, Katharina W., Studt, Lena, Niehaus, Eva- Maria, Espino, Jose J., Huß, Kathleen, Michielse, Caroline B., Albermann, Sabine, Wagner, Dominik, Bergner, Sonja V., Connolly, Lanelle R., Fischer, Andreas, Reuter, Gunter, Kleigrewe, Karin, Bald, Till, Wingfield, Brenda D., Ophir, Ron, Freeman, Stanley, Hippler, Michael, Smith, Kristina M., Brown, Daren W., Proctor, Robert H., Munsterkotter, Martin, Freitag, Michael, Humpf, Hans-Ulrich, Guldener, Ulrich, and Tudzynski, Bettina
Abstract:: The fungus Fusarium fujikuroi causes "bakanae" disease of rice due to its ability to produce gibberellins (GAs), but it is also known for producing harmful mycotoxins. However, the genetic capacity for the whole arsenal of natural compounds and their role in the fungus' interaction with rice remained unknown. Here, we...
Resource Type:: Article
Full Text:: Biocomputing, Oregon State University, Corvallis, Oregon, United States of America, 6 Institut of Genetics

Host-Selective Toxins of Pyrenophora tritici-repentis Induce Common Responses Associated with Host Susceptibility

Creator:: Pandelova, Iovanna, Figueroa, Melania, Wilhelm, Larry J., Manning, Viola A., Mankaney, Aakash N., Mockler, Todd C., and Ciuffetti, Lynda M.
Abstract:: Pyrenophora tritici-repentis (Ptr), a necrotrophic fungus and the causal agent of tan spot of wheat, produces one or a combination of host-selective toxins (HSTs) necessary for disease development. The two most studied toxins produced by Ptr, Ptr ToxA (ToxA) and Ptr ToxB (ToxB), are proteins that cause necrotic or chlorotic...
Resource Type:: Article
Full Text:: , Oregon State University, Corvallis, Oregon, United States of America, 2 United States Department of

ScholarsArchive@OSU

Resource Selection by the California Condor (Gymnogyps californianus) Relative to Terrestrial-Based Habitats and Meteorological Conditions

Evaluating Multi-Level Models to Test Occupancy State Responses of Plethodontid Salamanders

Assessing the Health of the U.S. West Coast with a Regional-Scale Application of the Ocean Health Index

Ungulate Browsing Maintains Shrub Diversity in the Absence of Episodic Disturbance in Seasonally-Arid Conifer Forest

Local Variability Mediates Vulnerability of Trout Populations to Land Use and Climate Change

Non-Native Plant Invasion along Elevation and Canopy Closure Gradients in a Middle Rocky Mountain Ecosystem

Spatial Ecological Processes and Local Factors Predict the Distribution and Abundance of Spawning by Steelhead (Oncorhynchus mykiss) across a Complex Riverscape

Ethanol and High-Value Terpene Co-Production from Lignocellulosic Biomass of Cymbopogon flexuosus and Cymbopogon martinii

Deciphering the Cryptic Genome: Genome-wide Analyses of the Rice Pathogen Fusarium fujikuroi Reveal Complex Regulation of Secondary Metabolism and Novel Metabolites

Host-Selective Toxins of Pyrenophora tritici-repentis Induce Common Responses Associated with Host Susceptibility

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