Join us for the Ocean Acidification Community Meeting Jan 4-6, 2023

Join us for the Ocean Acidification Community Meeting Jan 4-6, 2023

NOAA OAP convenes community meeting in San Diego, CA!

Every three years, the NOAA Ocean Acidification Program convenes researchers, communicators and others in the OA community for a meeting to discuss and share the latest research and future needs and directions. We want your participation! Registration is free.

Meeting Goals

  • Shape the future strategic direction of the OAP

  • Inform community members of recent OAP-supported efforts

  • Foster collaborations within the OA research community

  • Identify critical research gaps and efforts to address them

  • Highlight and discuss diversity, equity, inclusion, accessibility, and justice in OA research and our community

Find more details and register HERE.

Wednesday, September 28, 2022
Interactions between ocean acidification and metal contaminant uptake by Blue Mussels

Interactions between ocean acidification and metal contaminant uptake by Blue Mussels

David Whitall - NOAA National Centers for Coastal Ocean Science

Assessing ocean acidification as a driver for enhanced metals uptake by Blue mussels (Mytilus edulis): implications for aquaculture and seafood safety

Why we care
Ocean acidification causes changes in the chemistry of stressors, such as metals, and may affect how susceptible animals are to these contaminants. This is especially important for animals like bivalves and other economically important shellfish that accumulate toxins in their bodies. Metal accumulation as a co-stressor of ocean acidification is not well documented for northeastern U.S. shellfish aquaculture species. 

What we are doing
This work investigates the impacts of metal speciation (forms) on blue mussels under acidified conditions in both field and laboratory experiments.

Benefits of our work
Coastal managers and aquaculturists can use these results that provide the societal benefits of better informed siting of aquaculture and safer seafood.


Wednesday, August 31, 2022
Effects of ocean acidification and temperature on Alaskan crabs

Effects of ocean acidification and temperature on Alaskan crabs

Chris Long - NOAA/NMFS Alaska Fisheries Science Center

Effects of predicted changes in ocean pCO2 and interactions with other stressors on the physiology and behavior of commercially important crabs in Alaska

Why we care 
Ocean acidification disrupts the internal acid-base balance of crabs and may hinder the creation and maintenance of shells. Previous studies on commercially important crab species in Alaska found that ocean acidification changes physiology, decreases growth and condition, increases mortality, decreases hatching success, and changes exoskeleton (shell) hardness and structure in many Alaska crab species. Ocean temperature is a co-stressor, which may either decrease or increase the effects of ocean acidification on crabs. These individual effects may lead to population level decreases and impact coastal communities that rely on them if these crabs are unable to acclimate or adapt.

What we are doing
The Alaska Fisheries Science Center (AFSC) aims to enhance our understanding of species responses to ocean acidification, predict how changes in ocean chemistry will affect marine ecosystems and organisms, assess socioeconomic impacts, and provide ocean acidification education and outreach. This project continues to assess the physiological response to ocean acidification of early life history stages in crabs. Researchers will examine the potential for acclimation of crab species through experimentation. Experimental data will be used to inform modeling efforts to assess the dynamics of the crab populations and coastal community resilience to future environmental changes in the ocean.

Benefits of our work
The AFSC team will continue to address individual physiological responses that can be scaled to population level effects. Additionally, we will focus on cellular and molecular responses to better understand the potential for acclimation or adaptation. Results from this project will inform models, including stock assessments for long-term fisheries management through the North Pacific Fisheries Management Council.


Wednesday, August 31, 2022
Modeling the impact of OA on Alaskan fisheries for decision makers

Modeling the impact of OA on Alaskan fisheries for decision makers

Michael Dalton - Alaska Fisheries Science Center

Forecast effects of ocean acidification on Alaska crab and groundfish fisheries

Why we care
Ocean acidification (OA) is a multi-disciplinary problem that requires a combination of methods from oceanography, fisheries science, and social science to assess socio-economic impacts. While OA impact models developed to date capture some sources of measurement uncertainty, more remains and limits the utility of models in decision making and research planning. A method is needed to quantify uncertainty relating the experimental design of OA experiments to the impacts of ocean pH and temperature on key model outcomes.

What we are doing
The bioeconomic model developed under this project will be applied to forecasting long-term effects of OA on Eastern Bering Sea (EBS) crab, northern rock sole and Alaska cod. Also addressed in this project is the quantification of uncertainty for inclusion in the fisheries management process. The overall goal for this project is to forecast long-term effects of OA on abundance yields and fishery income. To this end, we will apply results from experiments and ocean monitoring/modeling to infer population-scale changes in juvenile growth and survival from OA.

Benefits of our work
Through development of bioeconomic models for the EBS and Gulf of Alaska, we will be able to forecast the long-term effects of OA on northern rock sole and Alaska cod – a fish providing the vast majority of U.S. cod. These models make it possible to estimate abundance yields, fishery income, and economic impacts of OA on a national scale. The results from the project can assist with the development of experiments that will be most informative for bioeconomic modeling.


Wednesday, August 31, 2022
Evaluating impacts of acidification on biological processes in the Gulf of Mexico

Evaluating impacts of acidification on biological processes in the Gulf of Mexico

Leticia Barbero - NOAA CIMAS, University of Miami

Evaluation of OA impacts to plankton and fish distributions in the Gulf of Mexico during GOMECC-4 with a focus on HAB-interactions

Why we care
Ocean change in the Gulf of Mexico, including acidification and eutrophication, can impact biodiversity and the flow of energy through ecosystems from microscopic phytoplankton to higher trophic levels like fish. These processes can impact the health of fisheries and coastal ecosystems. This project collects information to evaluate the links between ocean conditions and important species in the Gulf of Mexico. 

What we are doing
During the 4th Gulf of Mexico Ecosystem and Carbon Cruise (GOMECC-4), scientists collect samples of phytoplankton, zooplankton, and ichthyoplankton to characterize fish distribution and abundance, larval fish condition and diet, microplastic abundance, and harmful algal bloom species. These collections coincide with measurements of acidification, oxygen, and eutrophication to make connections between ocean chemistry and biology.

Benefits of our work
This project will help characterize how changes in ocean conditions interact with biological processes like harmful algal bloom formation and ecosystem productivity that are important to local fisheries and stakeholders.


Wednesday, August 31, 2022
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