NOAA Invests in Harmful Algal Bloom and Ocean Acidification Research

NOAA Invests in Harmful Algal Bloom and Ocean Acidification Research

NOAA invests $18.9M in a coordinated effort to maximize advances in harmful algal bloom (HAB) mitigation, monitoring and forecasting. Four of new research awards support ($1.5M) funded in partnership by NOAA’s National Centers for Coastal Ocean Science (NCCOS) and NOAA’s Ocean Acidification program will determine interactive effects of HABs and ocean acidification. Other projects supported through this effort will establish a U.S. Harmful Algal Bloom Control Incubator, enhance detection of HAB toxins and improve forecasts and investigate the socioeconomic impacts of HABs. Read more

Project Highlights

University of MichiganUniversity of Minnesota DuluthOberlin CollegeUniversity of Kentucky, and University of Toledo received $281,975 to improve our understanding of the synergistic impacts of acidification, temperature, total alkalinity, and nutrients on toxic cyanobacteria harmful algal blooms in the Great Lakes. 

Woods Hole Oceanographic InstituteBowdoin College, and NERACOOS received $499,999 to address gaps in understanding relationships between harmful algal bloom behavior and ocean acidification in the northeast Atlantic, especially where it is associated with coastal eutrophication and hypoxia.

Stony Brook UniversityAdelphi University, and St. Joseph's College received $364,265 to establish a comprehensive understanding of how three of the most prominent HABs on the US east coast respond to ocean acidification, and how their co-occurrence will economically impact fisheries and shellfisheries. 

Northwest Indian CollegeSan Francisco State University, and University of Washington received $355,281 to understand the current relationships between ocean acidification and harmful algal bloom interactions in the Salish Sea, and to quantify how ocean acidification influences growth and toxicity. 

📸 Autonomous glider collects information to track harmful algal blooms and water quality. Credit: Ben Yair Raanan, MBARI


Wednesday, October 19, 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
West Coast Ocean Acidification Cruise 2016 Blog

West Coast Ocean Acidification Cruise 2016 Blog

The 5th research cruise to study Ocean Acidification along the North American West Coast

The fifth West Coast Ocean Acidification cruise in May–June 2016 will be the first coastal cruise to reoccupy study areas extending through the entire California Current System — from Baja California to British Columbia — since the first West Coast Carbon Cruise in 2007.
Wednesday, May 4, 2016
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