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Assessing Ocean Acidification in Alaska Fishery Zones

The Coast Guard Cutter Munro from Kodiak, Alaska, sails toward the sunset during an unusually calm evening on the Bering Sea. Credit: USCG

Jessica Cross – Pacific Marine Environmental Laboratory

Sustained Observations of Ocean Acidification in Alaska Coastal Seas
Why we care
Coastal regions around Alaska experience some of the most rapid and extensive progressions of ocean acidification (OA) in the United States. Assessments indicate that Alaska coastal communities have a varying degree of vulnerability to OA ranging from moderate to severe. Economically vital fishing regions are the most vulnerable. Sustained monitoring is critical to track the extent and impact of ocean acidification in habitats that are home to sensitive species such as red king crab in the Bering Sea.
What we are doing
This project “rethinks” the coastal Alaskan OA monitoring effort (initiated in 2015) by sampling Alaska waters directly through the annual population survey program of the Alaska Fisheries Science Center (AFSC). This new vision doubles the spatial footprint of Alaska OA observations, increases the time resolution of these observations, and complements shipboard surveys in Alaska. Carbonate chemistry samples will be combined with fisheries population surveys to assess OA in the habitats of keystone organisms in the Bering Sea and Gulf of Alaska. 
Benefits of our work
This project enhances our understanding of how the accumulation of anthropogenic carbon dioxide affects the seasonal progression of carbonate carbonate chemistry variables in the Gulf of Alaska. The observations can also be used to validate new OA models developed for the Gulf of Alaska and Bering Sea. Additionally, it can be applied to bioeconomic forecast models of crab and walleye pollock providing insight on how to adapt and build resilience to impacted industries and communities.

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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

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

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

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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