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Characterization of Vibrio parahaemolyticus isolated from Oregon and Washington coastal water and development of improved methods for Vibrio parahaemolyticus detection

Creator:: Duan, Jingyun
Abstract:: Distribution of Vibrio parahaemolyticus in Oregon and Washington oystergrowing areas was studied between November 2002 and October 2003. V. parahaemolyticus was detected in 14.3% of oyster, 23.0% of seawater, and 44.4% of sediment samples with very low levels (≤7.4 MPN/g) of pathogenic strains being detected in oysters. Occurrence of V....
Resource Type:: Dissertation
Full Text:: correlated to water temperatures and were more frequent in sediment than in seawater or oyster. Thirty

Effects of variations in salinity and temperature on some estuarine macro-algae

Creator:: Kjeldsen, Chris Kelvin
Resource Type:: Dissertation
Full Text:: professor), y Yaquina Bay, an estuary on the central Oregon Coast was stud ied to determine the factors

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:: Yaquina Bay. The fourth approach is similar to the third, except that pure or unialgal cultures are used

Population structure of the intertidal shore crab Hemigrapsus oregonensis (Brachyura, Grapsidae) in Yaquina Bay, a central Oregon coast estuary

Creator:: Batie, Robert Edward
Abstract:: The Hemigrapsus oregonensis population at Coquille Point in the Yaquina Bay Estuary on the Central Oregon Coast was studied from April, 1972 through May, 1973. The population was found to be vertically stratified from the 1 ft level to the 5 ft level. Population densities were found to be most...
Resource Type:: Dissertation
Full Text:: , bottom fish, and oyster culture. In addition, Yaquina Bay is a major recreation site for charter boat

Ecology of benthic microalgae of estuarine intertidal sediments

Creator:: Riznyk, Raymond Zenon
Abstract:: The benthic microalgae of sediments of the two tidal flats in Yaquina Bay, Oregon were investigated to determine the environmental factors limiting the abundance and the horizontal and vertical distribution of these organisms. The Southbeach tidal flat which is under the marine realm of deposition consists of fine to medium...
Resource Type:: Dissertation
Full Text:: flats in Yaquina Bay, Oregon were investigated to determine the environmental factors limiting the

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:: ; 3T/oo or less, Type D. Yaquina Bay was found to change from a well-mixed Type D estuary during

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

Seasonal and spatial distribution of harpacticoid copepods in relation to salinity and temperature in Yaquina Bay, Oregon

Creator:: Crandell, George Frank
Resource Type:: Dissertation
Full Text:: . Burt and McAlister found Yaquina Bay to be Type B or partly mixed during February, April, and May and

Movement and angler use of four foodfishes in Yaquina Bay, Oregon

Creator:: Beardsley, Alan J.
Resource Type:: Dissertation
Full Text:: distri- bution of some prominent Yaquina Bay fishes. 84 16 Fish species infrequently seen or not

ScholarsArchive@OSU

Characterization of Vibrio parahaemolyticus isolated from Oregon and Washington coastal water and development of improved methods for Vibrio parahaemolyticus detection

Effects of variations in salinity and temperature on some estuarine macro-algae

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

Population structure of the intertidal shore crab Hemigrapsus oregonensis (Brachyura, Grapsidae) in Yaquina Bay, a central Oregon coast estuary

Ecology of benthic microalgae of estuarine intertidal sediments

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

Sediments of Yaquina Bay, Oregon

Seasonal and spatial distribution of harpacticoid copepods in relation to salinity and temperature in Yaquina Bay, Oregon

Movement and angler use of four foodfishes in Yaquina Bay, Oregon

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