Index Catalog // ScholarsArchive@OSU

Distribution and abundance of coastal fish and macro-invertebrates in the Galapagos Islands

Creator:: Figueroa, Diego
Abstract:: The Galapagos Islands, located off the coast of Ecuador, have a spatially diverse marine environment suitable for a variety of species with different climatic requirements. A year-long inventory program was carried out in 2000-2001 to provide baseline data on the abundances and distribution of coastal fish and macro-invertebrates. The purposes...
Resource Type:: Masters Thesis
Full Text:: , Evelyn Sherr and Mary Santelmann for their advice and encouragement throughout my graduate studies. I

Trophic dynamics of marine nekton and zooplankton in the Northern California Current ecosystem

Creator:: Miller, Todd William
Abstract:: The Northern California Current (NCC) ecosystem exhibits extreme seasonal, interannual and interdecadal shifts in the abiotic environment and shifts in primary and higher production. This variability is also apparent in the spatial structure of the ecosystem with nearshore-shelf waters (<150 m isobath) being highly productive and having a different community...
Resource Type:: Dissertation
Full Text:: and Hiram Li, and committee members Peter Eldridge, Evelyn Sherr and Lynda Ciuffetti for their

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:: supporting my research and providing the means necessary for an excellent experience. Dr. Evelyn Sherr

The biology of a shallow-water methane vent

Creator:: Juhl, Andrew R.
Abstract:: In September of 1989, the site of an active seafloor methane vent was confirmed approximately 20 km off the coast of Oregon in shelf waters 135 m deep. The location of the vent had been described to Oregon State University oceanographers by a local commercial fisherman. Preliminary observations in 1989...
Resource Type:: Masters Thesis
Full Text:: advisor as I've had. I'd also like to thank the other members of my committee, Evelyn Sherr, Bruce Menge

Production and partitioning of organic matter during simulated phytoplankton blooms

Creator:: Wetz, Michael S.
Abstract:: Few studies have examined the partitioning of organic matter in upwelling systems, despite the fact that these systems play a key role in carbon and nitrogen budgets in the ocean. We examined the production and partitioning of phytoplankton-derived organic matter in deck incubations off Oregon during the upwelling season. During...
Resource Type:: Masters Thesis
Full Text:: also thank my committee members, Ricardo Letelier, Evelyn Sherr, and Fred Prahl, for their willingness

Proteomic analyses of marine bacteria

Creator:: Sowell, Sarah M.
Abstract:: Proteins are the metabolic machines of the cell and as such, the study of proteins could illuminate the dominant biological activities that are occurring within cells and reveal how an organism interacts with its environment. Here, we used proteomic techniques to study the abundant marine bacterium SAR11 both as an...
Resource Type:: Dissertation

Design, assessment, and future implications of the Multiple Enzyme Analyzer (MEA), a tool for in-situ monitoring of marine microbial activity

Creator:: Jaeger, Stephanie A.
Abstract:: The microbial loop plays a crucial role in remineralization of organic matter and fuels recycled production in the aquatic environment. The capability of microbes to utilize particular compounds can be examined through their ectoenzyme (found outside the cell) activities using fluorogenic substrate analogs. These catalysts hydrolyze polymers otherwise too large...
Resource Type:: Masters Thesis
Full Text:: would also like to thank my committee members, Dr. Evelyn Sherr and Dr. Fredrick Prahl, for their

Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae)

Creator:: Meléndez, Roberto C.
Resource Type:: Dissertation
Full Text:: of my committee Drs. Arthur J. Boucout, William J. Liss, Tomio Iwamoto and Evelyn Sherr, and former

Characterization of androgenic and estrogenic responses in the rainbow trout by comparing liver slice to whole animal studies

Creator:: Shilling, Adam D.
Resource Type:: Dissertation
Full Text:: Curtis and Evelyn Sherr, who graciously offered their knowledge, support and time in serving as members

Application of biomarker compounds as tracers for sources and fates of natural and anthropogenic organic matter in the environment

Creator:: Oros, Daniel R.
Abstract:: Determination of the source and fate of natural (higher plant lipids, marine lipids, etc.) and anthropogenically (e.g., petroleum, coal emissions) derived hydrocarbons and oxygenated compounds in the environment was accomplished using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) to characterize or identify molecular biomarkers to be utilized as tracers....
Resource Type:: Dissertation
Full Text:: am grateful to Professors Dr. Jesse Ford, Dr. Evelyn Sherr, Dr. John Baham and Dr. James Liburdy for

ScholarsArchive@OSU

Distribution and abundance of coastal fish and macro-invertebrates in the Galapagos Islands

Trophic dynamics of marine nekton and zooplankton in the Northern California Current ecosystem

Phosphorus control of nitrogen fixation

The biology of a shallow-water methane vent

Production and partitioning of organic matter during simulated phytoplankton blooms

Proteomic analyses of marine bacteria

Design, assessment, and future implications of the Multiple Enzyme Analyzer (MEA), a tool for in-situ monitoring of marine microbial activity

Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae)

Characterization of androgenic and estrogenic responses in the rainbow trout by comparing liver slice to whole animal studies

Application of biomarker compounds as tracers for sources and fates of natural and anthropogenic organic matter in the environment

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