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tackling the challenges of Coastal and Ocean Acidification in the Mid-Atlantic Region, together.

About Us

Why Coastal and Ocean Acidification is Important

Coastal and Ocean Acidification (COA) is a pressing environmental concern that affects not just the health of our oceans, but also the livelihoods of millions of people who depend on marine life for food, jobs, and coastal heritage.

What We Do

MACAN aims to enhance our understanding of the processes of estuarine, coastal, and ocean acidification.

Who It Impacts

Our work assists scientists, tribal, federal, and state agency representatives, resource managers, industry partners, and affected communities and industries in the Mid-Atlantic region, to prepare and adapt to the consequences of ocean and coastal acidification.

Why It Matters

Together, we can work towards a future where our oceans are healthy, our fisheries thrive, and our coastal communities are resilient to the impacts of ocean acidification.

Photo: Susan McLean

More about Ocean Acidification

New in Coastal and Ocean Acidification

Coastal Acidification in the Classroom: Aligned Standards for Use in Classrooms

MACAN 2025 Workshop Report

Workforce Development Fellowship: Request for Qualifications

New MACAN Videos on Acidification Impacts & Solutions

MACAN Coastal & Ocean Acidification Workshop

‘Shipwrecks, Oyster Middens & Artifacts’ Lesson for Grades 9-12

MACAN’s Acidification Monitoring Inventory – Updates Requested

Coastal Acidification in the Classroom: A Module for the Region

MACAN Workforce Development Fellowship Request for Proposals

Apply Now for MACAN Fellowship

Seagrasses in the Mid-Atlantic: Restoration Efforts and Blue Carbon Potential

Coastal Acidification and Harmful Dinoflagellate Blooms: Interactions and Emerging Implications for Marine Ecosystems and Organisms

Responsible Deployment of mCDR: Strategies and Case Studies

‘Hooked on Ocean Acidification’ Series for Recreational Anglers

“How To” Guide to the Digital Atlas for Physical & Biogeochemical Conditions in Chesapeake Bay

Highlights from MACAN’s 2024 Fellowship Projects

Jan. 8 Is the Global ‘OA Day of Action’

Chesapeake Carbon and Alkalinity Study (CHALK)

How Tuesday Webinar: Coastal and Ocean Acidification Data

MACAN Projects & Priorities for 2024

OA Research Highlights Around the Region: Part 2

A Coupled Biogeochemical-Biological-Economic Modeling System to Quantify Climate Change Impacts on Oyster Aquaculture in Chesapeake Bay

Mitigating OA through Marine CDR: Opportunities and Challenges

OA Research and Education Highlights around the Region

Linking Biological Monitoring with Chemical Observations to Understand Impacts of OA

Sea Grant OA Fellows Spotlight: Research Across the Mid-Atlantic Region

Creating a Coastal Acidification Module for Mid-Atlantic Teachers

MACAN and OA Alliance 2021 Virtual Workshop

State-Led OA Action Planning in the Mid-Atlantic

Climate Change and Submerged Cultural Resources in the Mid-Atlantic

Examining the Biological Responses of Ocean Acidification in Early Life-Stages of Fishes of Inshore Waters of the Mid-Atlantic

NOAA National and Mid-Atlantic Ocean Acidification Research Plan

Intro to Ocean Acidification Action Planning

Responding to Change Perspectives from Commercial Shellfish Industry Members

Acidification Effects upon the Atlantic Surfclam

State and Federal Ocean Acidification Policy Action

The OADS and OCAD Projects (Series 3, Webinar 3)

Profiling Glider (Series 3, Webinar 2)

Monitoring in the New York Bight

Managing Global Acidification on a Regional Scale

MACAN Monitoring Plan Webinar

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Spotlight on Events

Learning from Virginia’s Ocean Plan and Delaware’s Climate Action Plan

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UCI Marine and Environmental Luncheon Speaker Series

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MACAN State of the Science and Technical Training Workshop

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MACAN Coastal and Ocean Acidification Workshop

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U.S. State-Led OA Action Planning in the Mid-Atlantic

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Webinars to Explore Acidification Impacts on Fish, Shipwrecks

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We empower our community with the knowledge and tools to address the critical environmental issue of coastal and ocean acidification.

Explore Our Work

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tackling the challenges of Coastal and Ocean Acidification in the Mid-Atlantic Region, together.

Why Coastal and Ocean Acidification is Important

What We Do

Who It Impacts

Why It Matters

New in Coastal and Ocean Acidification

Spotlight on Events

We empower our community with the knowledge and tools to address the critical environmental issue of coastal and ocean acidification.