Index Catalog // ScholarsArchive@OSU

Dynamic seascapes : a quantitative framework for scaling pelagic ecology and biogeochemistry

Creator:: Kavanaugh, Maria T.
Abstract:: Understanding and modeling microbial responses and feedbacks to climate change is hampered by a lack of a framework in the pelagic environment by which to link local mechanism to large scale patterns. Where terrestrial ecology draws from landscape theory and practice to address issues of scale, the pelagic seascape concept...
Resource Type:: Dissertation
Full Text:: North Pacific……………………………………………………………………….88 3.2. Multivariate differences in microbial community

Hydrogen isotopic composition of C₃₇ alkenones and the ecology and physiology of coccolithophores

Creator:: Wolhowe, Matthew D.
Abstract:: A three-part study was conducted into the impact of physiological and ecological variables on the net isotopic fractionation of hydrogen, α[subscript K₃₇], expressed in C₃₇ alkenones. First, alkenone-producer production, abundance, and export were characterized in the summertime Gulf of California and Eastern Tropical North Pacific using compound-specific, labeled in situ...
Resource Type:: Dissertation
Full Text:: Eastern Tropical North Pacific using compound- specific, labeled in situ incubations. It was found that

Late Quaternary paleoceanography of the Northeast Pacific and Atlantic Oceans based on diatom transfer functions

Creator:: Lopes, Cristina Isabel Coelho Dias
Abstract:: Modern upwelling conditions and corresponding oceanographic properties are investigated and reconstructed for the Late Quaternary. The oceanographic conditions considered influence diatom ecology and the record of fossil diatom frustules in the sediments. Diatoms from modern sediments are evaluated as paleoceanographic proxies and transfer functions (TFs) are calibrated using the Imbrie...
Resource Type:: Dissertation
Full Text:: 11 LIST OF FIGURES Figure Page 2.1 Map of the Western North America and NE Pacific

Phytoplankton shading of marine benthic macrophytes: Implications for intertidal community structure

Creator:: Kavanaugh, Maria T.
Abstract:: Previous observations of light levels and phytoplankton abundances along the Oregon coast demonstrated that phytoplankton attenuated light sufficiently to potentially limit the growth of intertidal macrophytes and therefore structure local intertidal communities. Inspired by this observation, in spring 2004, I initiated a study to quantify the direct and indirect benthic...
Resource Type:: Masters Thesis
Full Text:: light in marine ecology. Dr. Madsen patiently bore with me through an arduous course in mathematical

3-D seismic imaging of an active margin hydrate system, Oregon continental margin : report of cruise TTN 112 R/V Thomas Thompson, June 19 - July 3, 2000

Creator:: Tréhu, Anne Martine and Bangs, Nathan Lawrence Bailey
Abstract:: In the past several years, international interest in gas hydrates in marine sediments has increased considerably because of increasing recognition that the large volume of gas stored in hydrates or trapped beneath them is a significant fraction of the global methane budget, and may therefore be a source of energy...
Resource Type:: Technical Report
Full Text:: MARINE SCIENCE CENTER OREGON STATE UNIVERSITY ,FWPnRT o FGf1N 97l.c ABSTRACT 3-D seismic imaging of

Distribution, structure, and function of marine ecological communities in the northern California Current upwelling ecosystem

Creator:: Reese, Douglas Charles
Abstract:: Within systems characterized by substantial spatial and temporal variability, abundances of organisms tend to be higher in localized areas. Within the northern California Current system, the identification of such marine, biological hotspots would be of great importance to resource managers, conservationists, and research planners, and is consequently a growing area...
Resource Type:: Dissertation
Full Text:: comparison of the transition zone coastal pelagic nekton of the North Pacific Ocean. Journal of Oceanography

Phosphorus control of nitrogen fixation

Creator:: Watkins-Brandt, Katie S.
Abstract:: Under conditions of fixed N-limitation, as with most oligotrophic systems, the process of biological N₂ fixation (diazotrophy) is favored, provided the necessary trace elements and vitamins are sufficient. Despite the well understood contributions of N₂ fixation in oligotrophic regions, the nutritional and ecological controls of marine diazotrophs have not been...
Resource Type:: Masters Thesis
Full Text:: North Pacific subtropical gyre. Aquatic Microbial Ecology 15:265-276 Miyata K, Hattori A (1986) A

Cascadia channel : the anatomy of a deep-sea channel

Creator:: Griggs, Gary B.
Resource Type:: Dissertation
Full Text:: channel known in the Pacific Ocean and extends across Cascadia Abyssal Plain, through the Slanco

Vertical distribution patterns of plankton and their relationship to physical factors over the continental shelf off Oregon

Creator:: Sutor, Malinda
Abstract:: Discrete layers of phytoplankton and zooplankton were observed over the Oregon continental shelf in summer and fall of 2001 and summer 2002 using optical and acoustical technologies and a pump sampling system. Layers of phytoplankton had steep vertical gradients which were associated with gradients in density and local peaks in...
Resource Type:: Dissertation
Full Text:: function of diet in the calanoid copepod A cartia tonsa. Marine Ecology Progress Series 229: 151-164

Tertiary geologic framework, neotectonics, and petroleum potential of the Oregon-Washington Continental Margin

Creator:: Snavely, P. D., Jr. and Geological Survey (U.S.)
Abstract:: The Tertiary geologic evolution of the Oregon and Washington continental margin was molded by episodic periods of convergence between the Pacific oceanic plates and the North American plate. This margin is the site of a deep basin that is floored by Paleocene to lower Eocene oceanic crust and contains more...
Resource Type:: Part of Book
Full Text:: between the Pacific oce anic plates and the North American plate. This margin is the site of a deep basin

ScholarsArchive@OSU

Dynamic seascapes : a quantitative framework for scaling pelagic ecology and biogeochemistry

Hydrogen isotopic composition of C₃₇ alkenones and the ecology and physiology of coccolithophores

Late Quaternary paleoceanography of the Northeast Pacific and Atlantic Oceans based on diatom transfer functions

Phytoplankton shading of marine benthic macrophytes: Implications for intertidal community structure

3-D seismic imaging of an active margin hydrate system, Oregon continental margin : report of cruise TTN 112 R/V Thomas Thompson, June 19 - July 3, 2000

Distribution, structure, and function of marine ecological communities in the northern California Current upwelling ecosystem

Phosphorus control of nitrogen fixation

Cascadia channel : the anatomy of a deep-sea channel

Vertical distribution patterns of plankton and their relationship to physical factors over the continental shelf off Oregon

Tertiary geologic framework, neotectonics, and petroleum potential of the Oregon-Washington Continental Margin

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