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Species specific phytoplankton production rates during a spring diatom bloom in Yaquina Bay, Oregon

Creator:: McMurray, Gregory R., 1925-
Abstract:: A simplified autoradiographic method for estimating species-specific phytoplankton production rates in mixed natural communities was evaluated in the laboratory and employed in the field. Laboratory experiments were designed to test the reliability and variability of the simplified method. Assays of ¹⁴C uptake by liquid scintillation spectrometry were used to evaluate...
Resource Type:: Dissertation
Full Text:: Lawrence F. Small A simplified autoradiographic method for estimating species- specific phytoplankton

Carbon and nitrogen reservoirs off the Oregon coast

Creator:: Ramberg, Donald Allen
Abstract:: A cruise of the R/V Yaquina off Oregon during June and July of 1968 provided data for a study of the relationships of hydrographic and chemical parameters to estimates of biological activity. The emphasis was on carbon and nitrogen reservoirs. Phytoplankton pigments, nitrogen and C/N ratio were used along with...
Resource Type:: Masters Thesis
Full Text:: : CARBON AND NITROGEN RESERVOIRS OFF THE OREGON COAST Abstract approved: Lawrence F. Small A cruise of

Distribution and abundance of four trace metals in net phytoplankton and seston off the Oregon coast

Creator:: Vogel, Allan Hayes
Resource Type:: Masters Thesis
Full Text:: COAST Abstract approved: (.. (Signature Lawrence F. Small Phytoplankton were collected in the Oregon

Effects of micro-nutrients and major nutrients on the growth and species composition of natural phytoplankton populations

Creator:: Frey, Bruce E.
Abstract:: Large-volume (20-liter) bioassays were carried out in order to assess the effects of major nutrients and micro-nutrients on natural phytoplankton populations in water collected from a site close to the mouth of Yaquina Bay, Oregon. Seven long-term experiments were conducted during the years 1975-1976. A stripping technique employing activated carbon...
Resource Type:: Dissertation
Full Text:: appreciatiye of my advisor, Dr. Lawrence F, Small, for providing the blend of guidance and freedom which have

Variability and tidal exchange of ecological properties in a coastal lagoon

Creator:: Lara-Lara, Ruben
Resource Type:: Masters Thesis
Full Text:: : Variability and Tidal Exchange of Ecological Properties in a Coastal Abstract approved: Lawrence F. Small

Population dynamics of Skeletonema costatum in high dilution rate chemostats

Creator:: Donaghay, Percy L.
Abstract:: A chemostatic system was developed for the long term studies of population dynamics of chain forming diatoms. Vessel volume rather than flow rate was varied in these systems to obtain different growth rates at steady state in systems with an equal capacity to produce. Population level responses to high dilution...
Resource Type:: Masters Thesis
Full Text:: , can be expressed as: d2- = .2 (a - r)dt (1) where: .2 = phytoplankton concentration, and a and r are

Recycling of iron and conditioning of sea water by a marine dinoflagellate

Creator:: Frey, Bruce E.
Resource Type:: Masters Thesis
Full Text:: : RECYCLING OF IRON AND CONDITIONING OF SEA WATER BY A MARINE DINOFLAGE Abstract approved: Lawrence F. Small

Experimental and conceptual approaches to understanding Algal-Grazer interactions

Creator:: Donaghay, Percy L.
Resource Type:: Dissertation
Full Text:: . Lawrence F. Small An eventual objective of the study of grazing processes is to be able to predict both

The feeding behavior of two populations of the estuarine copepod Acartia clausi

Creator:: O'Connors, Harold Blane Jr
Resource Type:: Dissertation
Full Text:: actual ration. From this, Ivlev suggested that r (1) where R and r correspond to the maximal and actual

Determination of food carbon assimilation in copepods

Creator:: O'Connors, Harold Blane Jr
Abstract:: A method for measuring food carbon assimilation in the copepod Calanus finmarchicus was developed, using the diatom Ditylum brightwelli as food. The amount of particulate food carbon ingested was determined as the difference between CHN analyzer analyses for particulate food carbon of pre- and post-grazed food suspensions. The fraction of...
Resource Type:: Masters Thesis
Full Text:: Privacy ACKNOWLEDGEMENT I wish to express my thanks to Dr. Lawrence F. Small, my major professor, and

ScholarsArchive@OSU

Species specific phytoplankton production rates during a spring diatom bloom in Yaquina Bay, Oregon

Carbon and nitrogen reservoirs off the Oregon coast

Distribution and abundance of four trace metals in net phytoplankton and seston off the Oregon coast

Effects of micro-nutrients and major nutrients on the growth and species composition of natural phytoplankton populations

Variability and tidal exchange of ecological properties in a coastal lagoon

Population dynamics of Skeletonema costatum in high dilution rate chemostats

Recycling of iron and conditioning of sea water by a marine dinoflagellate

Experimental and conceptual approaches to understanding Algal-Grazer interactions

The feeding behavior of two populations of the estuarine copepod Acartia clausi

Determination of food carbon assimilation in copepods

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