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National Oceanic and Atmospheric Administration 

Ocean Acidification Resources

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Cover image for NECAN webstory
The Northeast Coastal Acidification Network: A Force for Ocean Acidification Coordination

The Northeast Coastal Acidification Network (NECAN) coordinates scientists, industry members, and managers from Long Island Sound to Nova Scotia to address ocean acidification in the region. The network utilizes working groups for science, industry, and policy, and engages communities through events and local listening sessions to address regional priorities like ocean warming and pollution.

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Building Partnerships around Ocean Acidification on the East Coast: The Mid-Atlantic Coastal Acidification Network
  • Source: OAP

The Mid-Atlantic Coastal Acidification Network (MACAN) brings together scientists, managers, and industry members to regionally address ocean acidification, which is exacerbated in their coastal waters by factors like freshwater runoff and nutrient pollution. MACAN’s activities focus on identifying monitoring gaps, developing solutions for affected industries and communicating science through public outreach events.

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Cover image for SOCAN webstory
The Southeast Ocean and Coastal Acidification Network: Elevating ocean acidification in the Southeast
  • Source: NOAA, OAP

The Southeast Ocean and Coastal Acidification Network (SOCAN) was formed in 2015 to coordinate scientists, resource managers, and industry leaders in monitoring and researching ocean acidification across the Southeast’s diverse ecosystems. The network actively engages stakeholders to economic impacts of ocean acidification.

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Workshop Report Defines Agenda for Integrated Research on HABs and Ocean Acidification
  • Source: National Centers for Coastal Ocean Science (NCCOS), NOAA Ocean Acidification Program, OAP
NOAA’s Ocean Acidification Program (OAP) and NCCOS have published the proceedings of the virtual Harmful Algal Blooms and Ocean Acidification Workshop in a NOAA Technical Memorandum (OAR-OAP-3). Over 70 scientists, managers and stakeholders met August 11-13, 2020 to identify needs and priorities to advance research on ocean acidification (OA) and harmful algal blooms (HABs) as co-stressors in coastal ecosystems.
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Cover image for AOAN webstory
Addressing Ocean Acidification in a Vulnerable Region: The Alaska Ocean Acidification Network
  • Source: NOAA, OAP

Due to the natural capacity of cold water to absorb more carbon dioxide, Alaska’s marine ecosystems and vital $6 billion seafood industry are uniquely vulnerable to the damaging effects of ocean acidification. To address this, the Alaska Ocean Acidification Network coordinates collaborative monitoring and research efforts among scientists, tribal communities, and fishermen to inform adaptation […]

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British Columbia to Southern California: making headway with ocean change
  • Source: NOAA, OAP

An international team of scientists aboard the NOAA Ship Ronald H. Brown is conducting a comprehensive 47-day survey along the North American West Coast to measure ocean acidification and its effects on marine life. Learn how they are analyzing chemistry and biological samples to understand how changing ocean conditions are impacting ecosystems and to inform […]

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Bioeconomic modeling to inform Alaska fisheries management

Fishing Dock in Juneau Alaska
Image credit: Allen Shimada, NOAA NMFS

Bioeconomic models are a multidisciplinary tool that use oceanography, fisheries science and social science to assess socioeconomic impacts. Funded by the Ocean Acidification Program, researchers at the Alaska Fisheries Science Center use a bioeconomic model to study the impacts of ocean acidification on Eastern Bering Sea crab, northern rock sole and Alaska cod. The goal is to predict how ocean acidification will affect abundance yields and income generated by the fisheries. This work informs the potential economic impacts of ocean acidification and future decision making and research planning.

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Effects of ocean acidification and temperature on Alaskan crabs

Red King Crab
Image credit: David Csepp, NMFS AKFSC ABL

Long-term declines of red king crab in Bristol Bay, Alaska may be partially attributed to ocean acidification conditions. These impacts may be partially responsible for the fishery closures during the 2021–2022 and 2022–2023 seasons. Researchers found that ocean acidification negatively impacts Alaskan crabs generally by changing physiological processes, decreasing growth, increasing death rates and reducing shell thickness. Funded by the Ocean Acidification Program, scientists at the Alaska Fisheries Science Center continue to investigate the responses of early life history stages and study the potential of various Alaska crabs to acclimate to changing conditions. Results will inform models that will use the parameters studied to predict the effects of future ocean acidification on the populations of red king crab in Bristol Bay as well as on the fisheries that depend on them. Fishery managers will better be able to anticipate and manage stocks if changing ocean chemistry affects stock productivity and thus the maximum sustainable yield.

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Forecasts for Alaska Fisheries

Crab pots and fishing nets in Alaska's Dutch Harbor
Image credit: Michael Theberge

Understanding seasonal changes in ocean acidification in Alaskan waters and the potential impacts to the multi-billion-dollar fishery sector is a main priority. Through work funded by NOAA’s Ocean Acidification Program, the Pacific Marine Environmental Laboratory developed a model capable of depicting past ocean chemistry conditions for the Bering Sea and is now testing the ability of this model to forecast future conditions. This model is being used to develop an ocean acidification indicator provided to fisheries managers in the annual NOAA Eastern Bering Sea Ecosystem Status Report.

ADAPTING TO OCEAN ACIDIFICATION

The NOAA Ocean Acidification Program (OAP) works to prepare society to adapt to the consequences of ocean acidification and conserve marine ecosystems as acidification occurs. Learn more about the human connections and adaptation strategies from these efforts.

Adaptation approaches fostered by the OAP include:

FORECASTING

Using models and research to understand the sensitivity of organisms and ecosystems to ocean acidification to make predictions about the future, allowing communities and industries to prepare

Closeup of oysters cupped in someone's hands

MANAGEMENT

Using these models and predictions as tools to facilitate management strategies that will protect marine resources and communities from future changes

TECHNOLOGY DEVELOPMENT

Developing innovative tools to help monitor ocean acidification and mitigate changing ocean chemistry locally

REDUCING OUR CARBON FOOTPRINT

50 more ways to reduce your carbon footprint >

On the Road

Drive fuel-efficient vehicles or choose public transportation. Choose your bike or walk! Don't sit idle for more than 30 seconds. Keep your tires properly inflated.

With your Food Choices

Eat local- this helps cut down on production and transport! Reduce your meat and dairy. Compost to avoid food waste ending up in the landfill

With your Food Choices

Make energy-efficient choices for your appliances and lighting. Heat and cool efficiently! Change your air filters and program your thermostat, seal and insulate your home, and support clean energy sources

By Reducing Coastal Acidification

Reduce your use of fertilizers, Improve sewage treatment and run off, and Protect and restore coastal habitats

TAKE ACTION WITH YOUR COMMUNITY

You've taken the first step to learn more about ocean acidification - why not spread this knowledge to your community?

Every community has their unique culture, economy and ecology and what’s at stake from ocean acidification may be different depending on where you live.  As a community member, you can take a larger role in educating the public about ocean acidification. Creating awareness is the first step to taking action.  As communities gain traction, neighboring regions that share marine resources can build larger coalitions to address ocean acidification.  Here are some ideas to get started:

  1. Work with informal educators, such as aquarium outreach programs and local non-profits, to teach the public about ocean acidification. Visit our Education & Outreach page to find the newest tools!
  2. Participate in habitat restoration efforts to restore habitats that help mitigate the effects of coastal acidification
  3. Facilitate conversations with local businesses that might be affected by ocean acidification, building a plan for the future.
  4. Partner with local community efforts to mitigate the driver behind ocean acidification  – excess CO2 – such as community supported agriculture, bike & car shares and other public transportation options.
  5. Contact your regional Coastal Acidification Network (CAN) to learn how OA is affecting your region and more ideas about how you can get involved in your community
       More for Taking Community Action