Index Catalog // ScholarsArchive@OSU

Assessment of the causal linkages between forests and fish: implications for management and monitoring.

Creator:: Martens, Kyle D.
Abstract:: Understanding the causal links between riparian forests, streams, and salmonids is important to help understand the likely effects of forest management practices. Previous studies have identified three major causal pathways (Instream Cover, Light, and Hydrology) through which riparian forests influence streams, and ultimately stream fishes. To evaluate the potential importance...
Resource Type:: Capstone Project
Full Text:: pathways, I developed a conceptual model of how they can be described. From this I evaluated evidence in

Distinguishing biological and physical controls on soil respiration

Creator:: Phillips, Claire L.
Abstract:: Soil respiration, or the combined CO₂ emissions from roots and soil microorganisms, constitutes one of the largest losses of carbon (C) from terrestrial ecosystems. The major drivers of soil respiration, which include soil moisture, temperature, and substrate quality, have been known for some time. Nevertheless, correlations between these drivers and...
Resource Type:: Dissertation
Full Text:: Biological and Physical Controls on Soil Respiration by Claire L. Phillips A

The methodology, implementation, and analysis of the isotopic composition of soil respired CO₂ in forest ecological research

Creator:: Kayler, Zachary Eric
Abstract:: Soils are the largest terrestrial pool of carbon, therefore it is critical to understand what controls soil carbon efflux to the atmosphere in light of current climate uncertainty. The primary efflux of carbon from soil is soil respiration which is typically categorized into autotrophic and heterotrophic respiration. These two components...
Resource Type:: Dissertation
Full Text:: a means to quantify the contributions of each. Natural abundance 13C can identify autotrophic and

Ecological effects of alternative fuel-reduction treatments: highlights of the National Fire and Fire Surrogate study (FFS)

Creator:: McIver, James D., Stephens, Scott L., Agee, James K., Barbour, Jamie, Boerner, Ralph E. J., Edminster, Carl B., Erickson, Karen L., Farris, Kerry L., Fettig, Christopher J., Fiedler, Carl E., Haase, Sally, Hart, Stephen C., Keeley, Jon E., Knapp, Eric E., Lehmkuhl, John F., Moghaddas, Jason J., Otrosina, William, Outcalt, Kenneth W., Schwilk, Dylan W., Skinner, Carl N., Waldrop, Thomas A., Weatherspoon, C. Phillip, Yaussy, Daniel A., Youngblood, Andrew, and Zack, Steve
Abstract:: The 12-site National Fire and Fire Surrogate study (FFS) was a multivariate experiment that evaluated ecological consequences of alternative fuel-reduction treatments in seasonally dry forests of the US. Each site was a replicated experiment with a common design that compared an un-manipulated control, prescribed fire, mechanical and mechanical + fire...
Resource Type:: Article
Full Text:: , Kenneth W. OutcaltO, Dylan W. SchwilkP, Carl N. SkinnerM, Thomas A. WaldropQ, C. Phillip WeatherspoonU

Recreation Needs of Mountain Bikers at the Whiskey Run Trails in Bandon, Oregon: A Final Report from a 2021 Survey

Creator:: Munanura, Ian E., Parada, Javier A., Phillips, Miles, and Rosenberger, Randal
Abstract:: Objectives This project presents findings from a survey of 409 mountain bikers, including 257 bikers who have been to Whiskey Run and 152 who have not. The survey was conducted in the fall of 2021 by a research team from the College of Forestry at OSU led by Dr. Ian...
Resource Type:: Technical Report
Full Text:: Oregon State University Research Team Dr. Ian E. Munanura Mr. Javier A. Parada Mr. Miles Phillips Dr

Amplification and dampening of soil respiration by changes in temperature variability

Creator:: Sierra, C. A., Harmon, M. E., Thomann, E., Perakis, S. S., and Loescher, H. W.
Abstract:: Accelerated release of carbon from soils is one of the most important feedbacks related to anthropogenically induced climate change. Studies addressing the mechanisms for soil carbon release through organic matter decomposition have focused on the effect of changes in the average temperature, with little attention to changes in temperature variability....
Resource Type:: Article
Full Text:: Amplification and dampening of soil respiration by changes in temperature variability C. A. Sierra1,*, M. E

Integration of MODIS land and atmosphere products with a coupled-process model to estimate gross primary productivity and evapotranspiration from 1 km to global scales

Creator:: Ryu, Youngryel, Baldocchi, Dennis D., Kobayashi, Hideki, van Ingen, Catharine, Li, Jie, Black, T. Andy, Beringer, Jason, van Gorsel, Eva, Knohl, Alexander, Law, Beverly E., and Roupsard, Olivier
Abstract:: We propose the Breathing Earth System Simulator (BESS), an upscaling approach to quantify global gross primary productivity and evapotranspiration using MODIS with a spatial resolution of 1-5 km and a temporal resolution of 8 days. This effort is novel because it is the first system that harmonizes and utilizes MODIS...
Resource Type:: Article
Full Text:: MODIS land and atmosphere products with a coupled-process model to estimate gross primary productivity

Causes and implications of the correlation between forest productivity and tree mortality rates

Creator:: Stephenson, Nathan L., van Mantgem, Phillip J., Bunn, Andrew G., Bruner, Howard, Harmon, Mark E., O'Connell, Kari B., Urban, Dean L., and Franklin, Jerry F.
Abstract:: At global and regional scales, tree mortality rates are positively correlated with forest net primary productivity (NPP). Yet causes of the correlation are unknown, in spite of potentially profound implications for our understanding of environmental controls of forest structure and dynamics and, more generally, our understanding of broad-scale environmental controls...
Resource Type:: Article
Full Text:: tree mortality rates NATHAN L. STEPHENSON,1,6 PHILLIP J. VAN MANTGEM,1,7 ANDREW G. BUNN,2,8 HOWARD

Contemporary regional forest dynamics in the Pacific Northwest

Creator:: Reilly, Matthew J. (Matthew Justin), 1975-
Abstract:: Recent climatic warming trends and increases in the frequency and extent of wildfires have prompted much concern regarding the potential for rapid change in the structure and function of forested ecosystems around the world. Episodes of mortality in wildfires and insect outbreaks associated with drought have affected large areas and...
Resource Type:: Dissertation
Full Text:: Pacific Northwest Abstract approved:________________________________________________________ Thomas A

Dead fuels and understory vegetation six years after a large mixed-severity wildfire in southwest Oregon

Creator:: Nathanson, Amy
Abstract:: Though the mixed-evergreen forests of the Klamath Siskiyous have a long history of large, mixed-severity fires, most research in this region has concentrated on the impacts of high-severity fire. Knowledge of the ecological effects of low- and moderate-severity areas within mixed-severity fires is important because such areas may account for...
Resource Type:: Masters Thesis
Full Text:: . Title: Dead Fuels and Understory Vegetation Six Years after a Large Mixed-severity Wildfire in

ScholarsArchive@OSU

Assessment of the causal linkages between forests and fish: implications for management and monitoring.

Distinguishing biological and physical controls on soil respiration

The methodology, implementation, and analysis of the isotopic composition of soil respired CO₂ in forest ecological research

Ecological effects of alternative fuel-reduction treatments: highlights of the National Fire and Fire Surrogate study (FFS)

Recreation Needs of Mountain Bikers at the Whiskey Run Trails in Bandon, Oregon: A Final Report from a 2021 Survey

Amplification and dampening of soil respiration by changes in temperature variability

Integration of MODIS land and atmosphere products with a coupled-process model to estimate gross primary productivity and evapotranspiration from 1 km to global scales

Causes and implications of the correlation between forest productivity and tree mortality rates

Contemporary regional forest dynamics in the Pacific Northwest

Dead fuels and understory vegetation six years after a large mixed-severity wildfire in southwest Oregon

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