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Buffering Estuarine Sediments Against Acidification

Creator:: Myers, Tristen J.
Abstract:: Globally rising anthropogenic CO₂ emissions have resulted in the increased prevalence of ocean acidification (OA) which has the potential to impact shell-forming organisms. On geologic timescales, the largest contributor to atmospheric CO₂ was volcanoes, counterbalanced by weathering and erosion, but due to increased anthropogenic emissions, these processes alone can no...
Resource Type:: Masters Thesis
Full Text:: approved: _____________________________________________________ George Waldbusser Globally

Seagrasses as Potential Chemical Refugia for Acidification-Sensitive Bivalves

Creator:: Smith, Stephanie Rae
Abstract:: As the effect of ocean acidification (OA) on marine calcifiers is better understood, a range of potential mitigative strategies have been proposed, many of which are plagued by concerns of scale and feasibility. One oft-cited option is to increase the biomass of photosynthetic organisms to remove CO₂ from the water...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ George G. Waldbusser As

Insights from stable isotope dynamics into the sensitivity of larval Pacific oysters to ocean acidification

Creator:: Brunner, Elizabeth Lev
Abstract:: Larvae of the Pacific Oyster, Crassostrea gigas, at Whiskey Creek Shellfish Hatchery (WCH) in Netarts Bay, Oregon, are negatively impacted by high-CO₂ water and exposure during the initial shell formation period appears to be particularly damaging. To investigate the mechanism of this early susceptibility, several cohorts of larvae at WCH...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________ George G. Waldbusser Larvae of the Pacific Oyster, Crassostrea gigas, at Whiskey

Exploring perceptions and experiences of the U.S. West Coast shellfish industry dealing with ocean acidification

Creator:: Mabardy, Rebecca Anne
Abstract:: Nearshore and estuarine environments along the U.S West Coast are ocean acidification (OA) "hotspots". Carbon dioxide-enriched water has been correlated with production losses of Pacific oyster (Crassostrea gigas) larvae at hatcheries in the Pacific Northwest. Limited and unreliable supply of larval seed has implications for the economic well-being of commercial...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ George G. Waldbusser Nearshore and estuarine environments along the U.S West Coast are

Impacts of Ocean Acidification and Warming on the Growth and Development of Oregon Pink Shrimp (Pandalus jordani) Larvae

Creator:: Nguyen, Michelle B.
Abstract:: Anthropogenic carbon dioxide emissions are causing ocean acidification (OA) and ocean warming, which have negative effects on the larvae of many marine invertebrates. Oregon pink shrimp (Pandalus jordani) currently encounter upwelling events that can result in pH values as low as 7.6, and, more recently, marine heat waves that raise...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ George G. Waldbusser Anthropogenic carbon dioxide emissions are causing ocean

High-resolution Carbonate Dynamics of Netarts Bay, OR from 2014 - 2019

Creator:: Fairchild, William M.
Abstract:: Netarts Bay is a shallow, temperate, tidal lagoon located on the northern coast of Oregon and site of the Whiskey Creek Shellfish Hatchery (WCSH). Data collected with an automated flow-through system installed at WCSH capable of high-resolution (1 Hz) pCO2 and hourly TCO2 measurements, with measurement uncertainties of <2.0% and...
Resource Type:: Masters Thesis
Full Text:: Kavanaugh, Rick Colwell, Lori Hartline, Robert Allan, and George Waldbusser among many others. Finally

Evaluation of the Potential of Integrated Multi-trophic Aquaculture (IMTA) using Oyster (Crassostrea sp.) and Seaweed (Gracilaria sp.) for Shrimp (Penaeus monodon) Farms to Reduce Negative Impacts on Environment and to Improve Coastal Economy in Nusa Tenggara Barat, Indonesia

Creator:: Astriana, Baiq Hilda
Abstract:: In Nusa Tenggara Barat (NTB), Indonesia, shrimp is one of the most produced seafood. It contributes to 8.74% of total Indonesian shrimp production value. In order to improve aquaculture practices including shrimp farms, Ministry of Marine and Fisheries Affair of Republic of Indonesia recently issued General Guideline for “Minapolitan” (fisheries...
Resource Type:: Capstone Project
Full Text:: George Waldbusser, Committee Member Robert Allan, Committee Member Head of the College of

Proof-of‐Concept : Automated high‐frequency measurements of PCO₂ and TCO₂ and real‐time monitoring of the saturation state of calcium carbonate

Creator:: Vance, Jesse M.
Abstract:: The rapid increase in atmospheric carbon dioxide (CO₂) over the last 250 years has led to the absorption of approximately 550 billion tons of anthropogenic CO₂ by the global ocean. This oceanic uptake of CO₂ has resulted in decreasing pH and alterations to carbonate chemistry, threatening many ecologically and economically...
Resource Type:: Capstone Project
Full Text:: . I would like to thank George Waldbusser for his insights, advice

Functional Comparison of Longline Oyster Aquaculture and Eelgrass (Zostera marina L.) Habitats Among Pacific Northwest Estuaries, USA

Creator:: Clarke, Larissa M.
Abstract:: Understanding the ecological role of Pacific oyster aquaculture (Crassostrea gigas) and eelgrass (Zostera marina L.) as important habitats in US Pacific Northwest estuaries is critical for management and regulatory decisions. The oyster aquaculture industry is currently restricted by regulations concerning impacts of their activities on Z. marina. This seagrass is...
Resource Type:: Masters Thesis
Full Text:: Tomas Nash for her patience, perspective, and funding support and Dr. George Waldbusser for his

Vulnerability and adaptation of Pacific Northwest shellfisheries to ocean acidification

Creator:: Katz, Brian G.
Abstract:: The purpose of this study was to understand the vulnerability and adaptive capacity of shellfish stakeholders in the Pacific Northwest who are adapting to ocean acidification (OA). This study developed a geovisualization tool of existing environmental data for assessing species-specific risk profiles to OA (based on their exposure and sensitivity),...
Resource Type:: Masters Thesis
Full Text:: . CONTRIBUTION OF AUTHORS Jessamyn A. Johnson and George G. Waldbusser compiled the biological response

ScholarsArchive@OSU

Buffering Estuarine Sediments Against Acidification

Seagrasses as Potential Chemical Refugia for Acidification-Sensitive Bivalves

Insights from stable isotope dynamics into the sensitivity of larval Pacific oysters to ocean acidification

Exploring perceptions and experiences of the U.S. West Coast shellfish industry dealing with ocean acidification

Impacts of Ocean Acidification and Warming on the Growth and Development of Oregon Pink Shrimp (Pandalus jordani) Larvae

High-resolution Carbonate Dynamics of Netarts Bay, OR from 2014 - 2019

Evaluation of the Potential of Integrated Multi-trophic Aquaculture (IMTA) using Oyster (Crassostrea sp.) and Seaweed (Gracilaria sp.) for Shrimp (Penaeus monodon) Farms to Reduce Negative Impacts on Environment and to Improve Coastal Economy in Nusa Tenggara Barat, Indonesia

Proof-of‐Concept : Automated high‐frequency measurements of PCO₂ and TCO₂ and real‐time monitoring of the saturation state of calcium carbonate

Functional Comparison of Longline Oyster Aquaculture and Eelgrass (Zostera marina L.) Habitats Among Pacific Northwest Estuaries, USA

Vulnerability and adaptation of Pacific Northwest shellfisheries to ocean acidification

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