Index Catalog // ScholarsArchive@OSU

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:: station in Yaquina Bay, Oregon were incubated in situ with 'C, daily from 2 April to 7 May 1974

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:: site close to the mouth of Yaquina Bay, Oregon. Seven long-term experiments were conducted during the

The dynamics of an isolated population of Acartia tonsa Dana (Copepoda) in Yaquina Bay, Oregon

Creator:: Johnson, John Kenneth
Abstract:: In the upper estuary of Yaquina Bay, Oregon, there is an annual population explosion of Acartia tonsa, (Dana) a calanoid copepod, during the months of July, August and September, followed by a rapid decline to virtual extinction in November. The restricted estuarine distribution affords an excellent opportunity to study the...
Resource Type:: Masters Thesis
Full Text:: DYNAMICS OF AN ISOLATED POPULATION OF ACARTIA TONSA DANA (COPEPODA) IN YAQUINA BAY, OREGON dAbstract

The ghost shrimp, Callianassa californiensis Dana, 1854, in Yaquina Bay, Oregon

Creator:: McCrow, Lynne Tucker
Abstract:: The life cycle of Callianassa californiensis Dana, 1854, was studied in the tidal estuary, Yaquina Bay, Oregon. At this latitude it is largely restricted to intertidal sandy mudflats under predominately marine influence. Salinity and temperature appear to determine its distribution to a greater extent than does sediment type. Vertical movement...
Resource Type:: Masters Thesis
Full Text:: (Dat)/ Title: THE GHOST SHRIMP, CALLIANASSA CALIFORNIENSIS DANA, 1854, IN YAQUINA BAY, OREGON

Aspects of the biology and culture of Scyphomedusae of the Oregon Coast

Creator:: Heitstuman, Thomas M.
Abstract:: Field and laboratory work was undertaken in 1993 to increase understanding of the life history and ecology of the brown jellyfish, Chrysaora fuscescens, a large semaeostome typically abundant in the neritic regions of the Oregon coast during summer months. Few medusae were found during 1993, possibly the result of anomalous...
Resource Type:: Masters Thesis

A seasonal study of sediment reworking by Neotrypaea californiensis in Yaquina Bay, Oregon

Creator:: Fritz, Cara E.
Abstract:: A year-long field study was undertaken to investigate the influence of a number of physical and biological factors, specifically temperature, organic carbon content, and shrimp population dynamics on sediment reworking rates by the ghost shrimp Neotrypaea calforniensis. Because of its role as a structuring agent in estuaries along the West...
Resource Type:: Masters Thesis
Full Text:: Seasonal Study of Sediment Reworking by Neotrvvaea califomiensis in Yaquina Bay, Oregon. Abstract

The endemic zooplankton population as a food supply for young herring in Yaquina Bay

Creator:: Russell, Howard Jamison, Jr.
Resource Type:: Masters Thesis
Full Text:: ) Comparison of stomach content analyses of Pacific herring (Clupea pallasii) taken in Yaquina Bay, Oregon

Distribution of recent foraminifera in relation to estuarine hydrography, Yaquina Bay, Oregon

Creator:: Manske, Douglas Charles
Abstract:: The foraminiferal population of Yaquina Bay was investigated to attempt a correlation of seasonal changes in the hydrography with observed changes in the faunal distribution patterns. The results are based on data from two spatial surveys conducted in July 1966, and late February and March, 1967. The hydrography of Yaquina...
Resource Type:: Dissertation
Full Text:: FORAMINIFERA IN RELATION TO ESTUARINE HYDROGRAPHY. YAQUINA BAY, OREGON Abstract approved: Dr. H. F

The influence of intertidal macroalgae on exchanges of nutrients and oxygen in a Pacific Northwest estuary

Creator:: Collins, John L. (John Leopold), 1948-
Resource Type:: Masters Thesis
Full Text:: . Intertidal areas are 20 shaded. (from Cox, 1973). YAQ=Yaquina Bay Study Sites, 1983-84; SAF=sites from this

Sediments of Yaquina Bay, Oregon

Creator:: Kulm, LaVerne D., 1936-
Abstract:: Three realms of deposition, Marine, Fluviatile, and Marine- Fluviatile, are recognized in Yaquina Bay, Oregon, on the basis of sediment texture and mineralogy. The Marine Realm extends 1.5 miles into the entrance of the estuary and is typified by normal marine salinity and vigorous tidal action. Sediments of this realm...
Resource Type:: Dissertation

ScholarsArchive@OSU

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

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

The dynamics of an isolated population of Acartia tonsa Dana (Copepoda) in Yaquina Bay, Oregon

The ghost shrimp, Callianassa californiensis Dana, 1854, in Yaquina Bay, Oregon

Aspects of the biology and culture of Scyphomedusae of the Oregon Coast

A seasonal study of sediment reworking by Neotrypaea californiensis in Yaquina Bay, Oregon

The endemic zooplankton population as a food supply for young herring in Yaquina Bay

Distribution of recent foraminifera in relation to estuarine hydrography, Yaquina Bay, Oregon

The influence of intertidal macroalgae on exchanges of nutrients and oxygen in a Pacific Northwest estuary

Sediments of Yaquina Bay, Oregon

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