Index Catalog // ScholarsArchive@OSU

Seconds to hour scale photosynthetic responses in marine microalgae

Creator:: Laney, Samuel R.
Abstract:: Our view of phytoplankton has historically revolved around their inability to control their location in space. The term phytoplankton itself underscores this particular difference between phytoplankton and their sessile terrestrial counterparts. Yet there are other differences between land plants and the phytoplankton that are perhaps equally important, beyond this sessile-planktonic...
Resource Type:: Dissertation
Full Text:: , phytoplankton need to adjust their photosynthetic physiology to cope with more rapid changes in irradiance

Loss of zinc-65 and manganese-54 from the freshwater mollusc anodonta

Creator:: Harney, Priscilla Jeanne
Resource Type:: Masters Thesis
Full Text:: loss rates, These loss-rate data have application to nuclear plant health and safety programs even

The photosynthetic and respiratory physiology of Skeletonema costatum (Greville) Cleve grown under simulated environmental conditions

Creator:: Davey, Earl Walter
Resource Type:: Dissertation
Full Text:: RESPIRATORY PHYSIOLOGY OF SKELETONEMA COSTATUM (GREVILLE) CLEVE GROWN UNDER SIMULATED ENVIRONMENTAL

The physiology and life histories of selected cryophytes of the Pacific Northwest

Creator:: Sutton, Emery Allen
Resource Type:: Dissertation
Full Text:: PHYSIOLOGY AND LIFE HISTORIES OF SELECTED CRYOPHYTES OF. THE PACLFIC NORTHWEST Abstract approved: The snow

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:: and Physiology of Coccolithophores AN ABSTRACT OF THE

Studies on the spatial variability of phytoplankton physiology and biomass in the Oregon upwelling system

Creator:: Sanders, Rachel B.
Abstract:: The Oregon upwelling system is a region of high biomass and primary productivity as well as strong mesoscale variability. In order to examine the interaction of physical forcing and ecosystem dynamics, four 3-week sampling cruises were conducted in the Oregon upwelling system as part of the Northeast Pacific Global Ocean...
Resource Type:: Masters Thesis
Full Text:: Variability of Phytoplankton Physiology and Biomas the Oregon Upwelling System Abstract approved: Mark R

Phosphorus physiology and environmental forcing of oceanic cyanobacteria, primarily Trichodesmium spp.

Creator:: White, Angelicque E.
Abstract:: The biological transformation of dinitrogen gas (N2) into combined forms(termed N2 fixation) by certain genera of oceanic cyanobacteria represents the largest incoming flux of nitrogen to the global ocean. As such, biological nitrogen fixation plays a significant role in the regulation of oceanic productivity and the export of carbon and...
Resource Type:: Dissertation
Full Text:: presented on September 28, 2006. Title: Phosphorus Physiology and Environmental Forcing of Oceanic

Investigating the ecological role of cell signaling in free-living marine heterotrophic protists

Creator:: Hartz, Aaron J.
Abstract:: Phagotrophic protists are major consumers of microbial biomass in aquatic ecosystems. However, biochemical mechanisms underlying prey recognition and phagocytosis by protists are not well understood. We investigated the potential roles of cell signaling mechanisms in chemosensory response to prey, and in capture of prey cells, by a marine ciliate (Uronema...
Resource Type:: Masters Thesis
Full Text:: -triphosphate (GTP)-activated phosphorylation pathways in the cell, leading to changes in cell physiology and

The effect of light intensity on the organic composition of marine phytoplankton diatoms

Creator:: Marmelstein, Allan
Abstract:: Investigation was made into the influence of changing light intensity on the organic and elemental composition of two species of marine diatoms, Ditylum brightwellii and Skeletonema costatum. Analysis was made of the relative changes in soluble and insoluble carbohydrate; polar, non-polar, and total lipid; amino acids; proteins; and total carbon,...
Resource Type:: Dissertation
Full Text:: Horvth and Szsz (1965) using sugar bean, a higher plant. This paper will discuss the influence of light

Effects of ultraviolet-B radiation on marine phytoplankton

Creator:: Behrenfeld, Michael Joseph
Abstract:: Global increases in ultraviolet-B radiation (UVBR:290- 320 nm) resulting from decreases in stratospheric ozone concentration have the potential to alter marine primary production and affect global climate and marine trophic dynamics. Effects of UVBR on phytoplankton carbon fixation were determined from open ocean exposure studies conducted off the coast of...
Resource Type:: Dissertation
Full Text:: UVBR inhibition of PNH4 (---) (eq. 2), carbon fixation (-0-0-) (Chapter 1), and the Caidwell Plant

ScholarsArchive@OSU

Seconds to hour scale photosynthetic responses in marine microalgae

Loss of zinc-65 and manganese-54 from the freshwater mollusc anodonta

The photosynthetic and respiratory physiology of Skeletonema costatum (Greville) Cleve grown under simulated environmental conditions

The physiology and life histories of selected cryophytes of the Pacific Northwest

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

Studies on the spatial variability of phytoplankton physiology and biomass in the Oregon upwelling system

Phosphorus physiology and environmental forcing of oceanic cyanobacteria, primarily Trichodesmium spp.

Investigating the ecological role of cell signaling in free-living marine heterotrophic protists

The effect of light intensity on the organic composition of marine phytoplankton diatoms

Effects of ultraviolet-B radiation on marine phytoplankton

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