Index Catalog // ScholarsArchive@OSU

Bacteriophages Significantly Reduce Mortality of Larval Pacific Oysters Crassostrea gigas from Infection by the Pathogenic Bacterium Vibrio coralliilyticus RE98

Creator:: Madison, David B.
Abstract:: Vibrio coralliilyticus (Vcor) is a bacterial pathogen that is well adapted to shellfish hatcheries and is very pathogenic to the larvae of the Pacific oyster Crassostrea gigas. Vcor has been associated with several large scale larval mortality events in the Pacific Northwest that interrupt the supply of seed oysters available...
Resource Type:: Masters Thesis
Full Text:: committee members Dr. Claudia Häse and Dr. Jerri Bartholomew for reviewing my thesis and providing input

An Evaluation of the Influence of Stock Origin and Outmigration History on the Disease Susceptibility and Survival of Juvenile Chinook Salmon

Creator:: Dietrich, Joseph P., Boylen, Deborah A., Thompson, Donald E., Loboschefsky, Erik J., Bravo, Claudia F., Spangenberg, Dina K., Ylitalo, Gina M., Collier, Tracy K., Fryer, Derek S., Arkoosh, Mary R., and Loge, Frank J.
Abstract:: Various methods have been developed to mitigate the adverse effects of the Federal Columbia River Power System on juvenile Pacific salmon out-migrating through the Columbia River basin. In this study, we found that hatchery-reared spring Chinook salmon Oncorhynchus tshawytscha in the river are in varying degrees of health, which may...
Resource Type:: Article
Full Text:: , Erik J. Loboschefsky b , Claudia F. Bravo b e , Dina K. Spangenberg c , Gina M. Ylitalo c , Tracy K

Bomb-produced radiocarbon validation of growth-increment crossdating allows marine paleoclimate reconstruction

Creator:: Kastelle, Craig R., Helser, Thomas E., Black, Bryan A., Stuckey, Matthew J., Gillespie, Darlene C., McArthur, Judy, Little, Diana, Charles, Karen D., and Khan, Reziah S.
Abstract:: The bivalve Pacific geoduck (Panopea generosa) has been used in the eastern North Pacific Ocean to create proxies for environmental factors such as temperature and oceanographic conditions. This type of research depends upon accurate age determination of Pacific geoducks, which historically was based on shell growth-increment counts. A recent study...
Resource Type:: Article
Full Text:: . Helser a, Bryan A. Black b, Matthew J. Stuckey b, Darlene C. Gillespie c, Judy McArthur c, Diana Little c

Large medusae in surface waters of the Northern California Current: variability in relation to environmental conditions

Creator:: Suchman, Cynthia L., Brodeur, Richard D., Daly, Elizabeth A., and Emmett, Robert L.
Abstract:: Blooms of jellyfish around the world have been correlated with climatic variables related to environmental causes. Sizeable populations of large medusae, primarily Chrysaora fuscescens and Aequorea sp., appear annually in shelf waters of the Northeast Pacific Ocean. Previous research has shown that C. fuscescens is abundant seasonally in the inner...
Resource Type:: Article
Full Text:: Pacific Ocean. Previous research has shown that C. fuscescens is abundant seasonally in the inner shelf

Increases in jellyfish biomass in the Bering Sea: implications for the ecosystem

Creator:: Brodeur, Richard D., Sugisaki, Hiroya, and Hunt Jr., George L.
Abstract:: There has been a dramatic increase in jellyfish biomass over the eastern Bering Sea shelf since the early 1990s, which was previously hypothesized to have been triggered by changing climate and ocean conditions. We examine the hypothesis that the presence of these large carnivores has affected fisheries resources, either through...
Resource Type:: Article
Full Text:: area around the Pribilof Islands; C. melanaster was estimated on average to consume seasonally about

Diel Feeding Chronology, Gastric Evacuation, and Daily Food Consumption of Juvenile Chinook Salmon in Oregon Coastal Waters

Creator:: Benkwitt, Cassandra E., Brodeur, Richard D., Hurst, Thomas P., and Daly, Elizabeth A.
Abstract:: The diel feeding periodicity of juvenile Chinook salmon Oncorhynchus tshawytscha was determined from stomachs collected in coastal waters off Oregon in 2000 and 2003. Juvenile Chinook salmon exhibited a diurnal feeding pattern with morning and evening feeding periods. There were differences in the duration and magnitude of the dawn and...
Resource Type:: Article
Full Text:: Waters Cassandra E. Benkwitt a , Richard D. Brodeur b , Thomas P. Hurst c & Elizabeth A. Daly d a

2007/2008 Annual Report

Creator:: Hatfield Marine Science Center
Abstract:: Report year ends June 30.
Resource Type:: Other
Full Text:: ............................................... 38 C. HMSC Visiting Scientists HMSC Visiting Scientists

Impact of Prophylactic Bacteriophage Addition on Survival of Crassostrea gigas Larvae

Creator:: Schmidt, Sarah
Abstract:: Aquaculture is a continuously growing industry, but rising problems are disease and antibiotic resistance. A common disease-causing pathogen in oyster aquaculture is Vibrio coralliilyticus (Vcor). Vcor infection of oyster larvae causes near 100% mortality within 48 hours, which is devastating to oyster hatcheries. One potential method of controlling Vcor outbreaks...
Resource Type:: Research Paper
Full Text:: :10.3354/dao01902 Gradoville, M. R., Crump, B. C., Häse, C. C., & White, A. E. (2018). Environmental

Evaluating larval size and survival after probiotic addition in Pacific oyster larvae

Creator:: Grant, Ian
Abstract:: Oysters are a large part of the American aquaculture market, and the oyster farming industry was valued at over 1 billion dollars in 2021. However, oyster farmers often face issues surrounding the mortality rates of their stock. One cause of this is infections caused by Vibrio coralliilyticus (Vcor), a bacterium...
Resource Type:: Honors College Thesis
Full Text:: /10.23860/diss- takyi-evelyn-2022 Ushijima, B., Richards, G. P., Watson, M. A., Schubiger, C. B., & Häse

2008/2009 Annual Report

Creator:: Hatfield Marine Science Center
Abstract:: Report year ends June 30.
Resource Type:: Other
Full Text:: ............................................... 39 C. HMSC Visiting Scientists HMSC Visiting Scientists

ScholarsArchive@OSU

Bacteriophages Significantly Reduce Mortality of Larval Pacific Oysters Crassostrea gigas from Infection by the Pathogenic Bacterium Vibrio coralliilyticus RE98

An Evaluation of the Influence of Stock Origin and Outmigration History on the Disease Susceptibility and Survival of Juvenile Chinook Salmon

Bomb-produced radiocarbon validation of growth-increment crossdating allows marine paleoclimate reconstruction

Large medusae in surface waters of the Northern California Current: variability in relation to environmental conditions

Increases in jellyfish biomass in the Bering Sea: implications for the ecosystem

Diel Feeding Chronology, Gastric Evacuation, and Daily Food Consumption of Juvenile Chinook Salmon in Oregon Coastal Waters

2007/2008 Annual Report

Impact of Prophylactic Bacteriophage Addition on Survival of Crassostrea gigas Larvae

Evaluating larval size and survival after probiotic addition in Pacific oyster larvae

2008/2009 Annual Report

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