Index Catalog // ScholarsArchive@OSU

Spatial and temporal variability of carbon dynamics in a tropical forest of Colombia

Creator:: Sierra, Carlos Alberto
Abstract:: Despite the importance of tropical forest ecosystems in the global carbon cycle, there have been few studies of carbon dynamics in this biome. The magnitude of carbon stocks in the tropics and their changes over time are poorly known since ground-based observations are lacking. In this study, total carbon stocks...
Resource Type:: Masters Thesis
Full Text:: also like to thank Elizabeth Sulzman and David Turner for serving as committee members. They provided

Remote sensing of forest aboveground biomass using the Geoscience Laser Altimeter System

Creator:: Pflugmacher, Dirk
Abstract:: Accurate estimates of forest aboveground biomass are needed to reduce uncertainties in the terrestrial carbon flux. The Geoscience Laser Altimeter System (GLAS) onboard the Ice, Cloud and land Elevation Satellite is now the first spaceborne lidar sensor that will provide global estimates of vegetation height. This study investigated the utility...
Resource Type:: Masters Thesis
Full Text:: involved in designing and guiding this research. Dr. Cohen, Dr. Lefsky, Dr. Kennedy and Dr. Turner have

Observations of the Portland District, U.S. Army Corps of Engineers Regulatory Policy System

Creator:: Turner, James C.
Abstract:: My experiences with the U.S. Army Corps of Engineers (referred to as the Corps) has been an integral part of my formal education. My work with the Corps fulfills my internship requirement for my Masters Degree in Marine Resource Management. The work here has allowed me to use my academic...
Resource Type:: Capstone Project
Full Text:: Regulatory Policy System By James C. Turner in partial fulfillment for the degree of Masters of Science in

Fluorimetric analysis of intracellular calcium in high and low mobility fowl sperm

Creator:: Olson, Jill Wardell
Abstract:: Sperm mobility is defined as the net movement of a sperm population against resistance. Previous research demonstrated that the cell-permeant Ca2+ indicator rhod-2 AM gave a fluorescent signal predominantly in the head region of fowl sperm that differed between sperm mobility phenotypes. This thesis served to explore the role of...
Resource Type:: Masters Thesis
Full Text:: Sperm Abstract approved: David P. Froman Sperm mobility is defined as the net movement of

Climate, management, and forest type influences on carbon dynamics of West-Coast US forests

Creator:: Hudiburg, Tara M.
Abstract:: Net uptake of carbon from the atmosphere (net ecosystem production, NEP) is dependent on climate, disturbance history, management practices, forest age, and forest type. To improve understanding of the influence of these factors on forest carbon flux in the western U.S., a combination of federal inventory data and supplemental ground...
Resource Type:: Masters Thesis
Full Text:: would also like to thank my other committee members, Dave Turner and Warren Cohen. Dave was very

Microwave extraction of peppermint oil and comparison to the currentpractice of steam extraction

Creator:: Velasco, Carmen A.
Abstract:: The increase of diesel fuels and natural gas has increased the energy cost of the mint oil extraction industry in the Willamette Valley. In this study the energy evaluation of a distillation facility in Oregon is considered. Solvent free microwave extraction of peppermint oil is introduced as a new technique...
Resource Type:: Masters Thesis
Full Text:: Steam Extraction. Abstract approved: David Hackleman The increase of diesel

Distribution of bats in Southeast Alaska and selection of day-roosts in trees by Keen’s myotis on Prince of Wales Island, Southeast Alaska

Creator:: Boland, Julia L.
Abstract:: We conducted capture and acoustic surveys for bats in six areas along a latitudinal gradient in Southeast Alaska from mid-May to September in 2005 and we continued surveys on Prince of Wales Island from mid-May to September in 2006. We determined the level of effort required to catch each species...
Resource Type:: Masters Thesis
Full Text:: Keen’s Myotis on Prince of Wales Island, Southeast Alaska. Abstract approved: John P. Hayes

Plant community recovery after high severity wildfire and post-fire management in the Klamath Region

Creator:: Lopez Ortiz, Maria Jose
Abstract:: Disturbance and microclimate interact to play a central role influencing the composition and structure of plant communities. In this thesis, I examined plant community composition and structure twenty years after high severity wildfires with and without post-fire management (salvage logging, fuel treatment, tree planting, and shrub release) under contrasting microclimatic...
Resource Type:: Masters Thesis
Full Text:: : _______________________________________________________________ David E. Hibbs Disturbance and microclimate interact to play a central role influencing

Influences of salvage logging on forest birds after fire in the eastern Cascades, Oregon

Creator:: Cahall, Rebecca E.
Abstract:: Previous research examining the influences of post-fire salvage logging on abundances of birds has focused primarily on the response of cavity-nesting species. There is limited research in regard to the impact of salvage logging on a broader range of bird species. In addition, little is known about how different intensities...
Resource Type:: Masters Thesis
Full Text:: American Ornithologist' Union Washington, D. C. Brias, S., P. David, and R. Ouimet. 2000. Impacts of

An allometric examination of the relationship between radiosensitivity and mass

Creator:: Bytwerk, David Paul
Abstract:: The results of a review of six decades of existing literature for 50% lethal dose data across a range of phyla are presented. The collected 50% lethal dose data is limited to adult organisms subjected to acute doses of gamma radiation. The data collected is examined to determine whether useful...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF David Paul Bytwerk for the degree of Master of Science in

ScholarsArchive@OSU

Spatial and temporal variability of carbon dynamics in a tropical forest of Colombia

Remote sensing of forest aboveground biomass using the Geoscience Laser Altimeter System

Observations of the Portland District, U.S. Army Corps of Engineers Regulatory Policy System

Fluorimetric analysis of intracellular calcium in high and low mobility fowl sperm

Climate, management, and forest type influences on carbon dynamics of West-Coast US forests

Microwave extraction of peppermint oil and comparison to the currentpractice of steam extraction

Distribution of bats in Southeast Alaska and selection of day-roosts in trees by Keen’s myotis on Prince of Wales Island, Southeast Alaska

Plant community recovery after high severity wildfire and post-fire management in the Klamath Region

Influences of salvage logging on forest birds after fire in the eastern Cascades, Oregon

An allometric examination of the relationship between radiosensitivity and mass

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