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Projects

An Early Warning System for Pseudo-nitzschia Harmf...

Blooms of some species of the diatom Pseudo-nitzschia produce a neurotoxin that accumulates in shellfish, which can cause illness and even death in humans who eat them. Shellfish managers monitor ...
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Coastal Change, Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Florida, Oregon, U.S. States and Territories, Washington, marc.suddleson@noaa.gov

Comparative Analysis of Quantitative Detection Met...

We are providing a thorough comparison of two different genetic methods used to quickly count the number of harmful algae present in a water sample. Our results will improve harmful ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Delaware, South Carolina, U.S. States and Territories, marc.suddleson@noaa.gov

Development and Implementation of an Operational H...

This project developed a prototype operational statistical nowcast/forecast system for three harmful algal bloom (HAB) organisms in the Chesapeake Bay ecosystem, specifically the dinoflagellates Karlodinium veneficum, Prorocentrum minimus, and the ...
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Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Technology Transfer, Chesapeake Bay, Maryland, U.S. States and Territories, Virginia, Waterbodies, marc.suddleson@noaa.gov

ECOHAB: GOMTOX: Dynamics of Alexandrium fundyense ...

Extensive shellfish resources in the Gulf of Maine are frequently contaminated with toxins produced by the red tide dinoflagellate Alexandrium fundyense. Shellfish harvesting must be closed to protect public health ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Maine, Massachusetts, New Hampshire, U.S. States and Territories, quay.dortch@noaa.gov

Harmful Algal Bloom Detection Instrument Validatio...

We are improving detection of species of the toxin-producing alga Alexandrium in the field by producing highly portable, efficient, and effective biosensors. Alexandrium can be hard to identify and sample, ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Maine, U.S. States and Territories, marc.suddleson@noaa.gov

Improving the Gulf of Maine HAB Forecast with Envi...

Toxic algal blooms pose a serious health risk and often disrupt valuable regional shellfisheries. Eating seafood tainted with algal toxins can sicken or even kill people. We are pioneering use ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Atlantic Ocean, Maine, Massachusetts, New Hampshire, Rhode Island, U.S. States and Territories, Waterbodies, marc.suddleson@noaa.gov

Improving Tools for Monitoring Multiple HAB Toxins...

The impacts of cyanobacteria (blue-green algae) toxins are an emerging public health and environmental issue in brackish and marine ecosystems, yet coastal harmful algal bloom (HAB) monitoring programs to date ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, California, U.S. States and Territories, marc.suddleson@noaa.gov

Monitoring and Event Response for Harmful Algal Bl...

Monitoring and Event Response for Harmful Algal Blooms in the Lower Great Lakes (MERHAB-LGL) was the first regional, multi-institution project to examine toxic cyanobacteria in the lower Great Lakes and ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Great Lakes, Waterbodies, marc.suddleson@noaa.gov

Monitoring and Management of Lipophilic Shellfish ...

Lipid and fat soluble (lipophilic) toxins linked to diarrhetic shellfish poisoning and azaspiracid shellfish poisoning are emerging threats to recreational, subsistence, and commercial shellfisheries in Washington State. These toxins are ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, U.S. States and Territories, Washington, marc.suddleson@noaa.gov

Protecting New Yorkers from Toxic Shellfish Poison...

Since 2006, large, annual, toxic algal blooms have alarmed the New York shellfish industry. We are developing an early warning system of toxic algae in New York coastal waters and ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Atlantic Ocean, New York, U.S. States and Territories, Waterbodies, marc.suddleson@noaa.gov

News

Pacific Northwest HAB Forecast Supports Popular Re...

Razor clamming at Twin Harbors beach, WA. Credit WDFW NOAA funded partners released the latest Pacific Northwest Harmful Algal Blooms (PNW HAB) Forecast one week ahead of a three-day razor ...
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Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Oregon, Pacific Ocean, U.S. States and Territories, Washington, Waterbodies, marc.suddleson@noaa.gov

Study Evaluates Technologies for Early Warning of ...

Passive solid-phase adsorption toxin tracking, or SPATT, employs a synthetic resin contained in a mesh bag that adsorbs dissolved biotoxins from the water. The SPATT resin bags can be suspended ...
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HABHRCA, Harmful Algal Bloom Detection and Forecasting, Other Topics, Sensor Development, Sponsored Research, Stressor Impacts and Mitigation, Technology Transfer, New York, U.S. States and Territories, marc.suddleson@noaa.gov

NCCOS Announces FY19 Federal Funding Opportunities

The NCCOS Competitive Research Program is pleased to announce its Fiscal Year 2019 Federal Funding Opportunities (FFOs) in two areas of research: harmful algal blooms, and the ecological effects of ...
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Coastal Change, Funding, Harmful Algal Bloom Detection and Forecasting, Other Topics, Sea Level Rise, Sponsored Research, Stressor Impacts and Mitigation, david.kidwell@noaa.gov, elizabeth.turner@noaa.gov, trevor.meckley@noaa.gov

NOAA Trains Next Generation of Harmful Algal Bloom...

Dr. Michael Parsons (FGCU) leads a discussion on the toxic dinoflagellate Protoceratium at the third Training Course on the Identification of Harmful Algae in United States Marine Waters. Credit: Bigelow ...
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HABHRCA, Harmful Algal Bloom Detection and Forecasting, Other Topics, People and Infrastructure, Sponsored Research, Stressor Impacts and Mitigation, Technology Transfer, Maine, U.S. States and Territories, quay.dortch@noaa.gov

NCCOS Funds $6.8M for New and Continuing Harmful A...

NOAA’s National Centers for Coastal Ocean Science (NCCOS) is pleased to announce support for 28 new and continuing harmful algal bloom (HAB) research awards in 2018. These awards, totaling $6.8M, ...
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Funding, Harmful Algal Bloom Detection and Forecasting, Sensor Development, Stressor Impacts and Mitigation, Alaska, California, Chesapeake Bay, Delaware, Florida, Great Lakes, Gulf of Mexico, Maine, Maryland, Michigan, Ohio, Oregon, Pacific Ocean, Texas, U.S. States and Territories, Washington, Waterbodies, david.scheurer@noaa.gov, elizabeth.turner@noaa.gov

NCCOS Leads from Research to Application for Rapid...

Biotechnology that harnesses the natural biochemical systems of animals can be used to detect pathogens and toxins in environmental samples. NCCOS has supported the development of biotechnology to identify harmful ...
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HABHRCA, Harmful Algal Bloom Detection and Forecasting, Other Topics, Sensor Development, Sponsored Research, Stressor Impacts and Mitigation, Technology Transfer, U.S. States and Territories, john.ramsdell@noaa.gov, maggie.broadwater@noaa.gov, pat.tester@noaa.gov, quay.dortch@noaa.gov

NOAA Aids Efforts to Manage Risks from Lipophilic ...

MERHAB Azadinium sampling in Puget Sound and the Washington outer coast. Sampling sites for twice-monthly mussel and SPATT deployment plus weekly water collection from April 2 – Sept 28, 2018.Water ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, U.S. States and Territories, Washington, marc.suddleson@noaa.gov

Mitigation Strategies for Harmful Algal Blooms Spa...

New NCCOS-sponsored research describes a paradigm shift in our understanding of the conditions that control eutrophication (nutrient overenrichment) and harmful algal blooms (HABs) across the freshwater-to marine continuum, and offers ...
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Biological Effects of Contaminants and Nutrients, Harmful Algal Bloom Detection and Forecasting, Hypoxia, Stressor Impacts and Mitigation, marc.suddleson@noaa.gov

HAB Forecast Gives Washington Confidence to Procee...

Last week's NOAA-sponsored harmful algal bloom forecast for the Pacific Northwest gave the Washington Department of Fish and Wildlife (WDFW) confidence to proceed with this week's opening of the Washington recreational ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Oregon, U.S. States and Territories, Washington, marc.suddleson@noaa.gov

Four Different Algal Toxins Found in San Francisco...

Scientists have identified four kinds of algal toxins in mussels collected from San Francisco Bay. The study, published in Harmful Algae, is the first to report the co-occurrence of both freshwater and marine ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, California, U.S. States and Territories, marc.suddleson@noaa.gov

Products

Maps, Tools & Applications

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Data & Publications

A decade and a half of Pseudo-nitzschia spp. and domoic acid along the coast of southern California

Blooms of the marine diatom genus Pseudo-nitzschia that produce the neurotoxin domoic acid have been documented with regularity along the coast of southern California since 2003, with the occurrence of the toxin in shellfish tissue predating information on domoic acid ...
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An unprecedented coastwide toxic algal bloom linked to anomalous ocean conditions

A coastwide bloom of the toxigenic diatom Pseudo-nitzschia in spring 2015 resulted in the largest recorded outbreak of the neurotoxin, domoic acid, along the North American west coast. Elevated toxins were measured in numerous stranded marine mammals and resulted in ...
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Blooms of Pseudo-nitzschia and Domoic Acid in the San Pedro Channel and Los Angeles Harbor Areas of the Southern California Bight, 2003-2004

Abundances of Pseudo-nitzschia spp. and concentrations of particulate domoic acid (DA) were determined in the Southern California Bight (SCB) along the coasts of Los Angeles and Orange Counties during spring and summer of 2003 and 2004. At least 1500 km2 ...
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Blurred lines: Multiple freshwater and marine algal toxins at the land-sea interface of San Francisco Bay, California

San Francisco Bay (SFB) is a eutrophic estuary that harbors both freshwater and marine toxigenic organisms that are responsible for harmful algal blooms. While there are few commercial fishery harvests within SFB, recreational and subsistence harvesting for shellfish is common ...
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Climatic regulation of the neurotoxin domoic acid

Domoic acid is a potent neurotoxin produced by certain marine microalgae that can accumulate in the foodweb, posing a health threat to human seafood consumers and wildlife in coastal regions worldwide. Evidence of climatic regulation of domoic acid in shellfish ...
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Comparison of sandwich hybridization assay and quantitative PCR for the quantification of live and preserved cultures of Heterosigma akashiwo (Raphidophyceae)

In this study, we directly compared two molecular techniques, sandwich hybridization assay (SHA) and quantitative PCR (qPCR), for quantifying laboratory cultures of the ichthyotoxic raphidophyte Heterosigma akashiwo. To maximize comparisons, all experiments entailed raising H. akashiwo in the laboratory, generating ...
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Effects of an Acute Hypoxic Event on Microplankton Community Structure in a Coastal Harbor of Southern California

Fish mortality and hypoxic events occur in many coastal and inland systems and may result from natural or anthropogenically mediated processes. The effects of consequent changes in water biogeochemistry have been investigated for communities of benthic invertebrates and pelagic metazoans ...
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Effects of growth phase, diel cycle and macronutrient stress on the quantification of Heterosigma akashiwo using qPCR and SHA

The development of molecular probe technologies over the last several decades has enabled more rapid and specific identification and enumeration of phytoplankton species compared to traditional technologies, such as light microscopy. Direct comparisons of these methods with respect to physiological ...
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Evaluation of Rapid, Early Warning Approaches to Track Shellfish Toxins Associated with Dinophysis and Alexandrium Blooms

Marine biotoxin-contaminated seafood has caused thousands of poisonings worldwide this century. Given these threats, there is an increasing need for improved technologies that can be easily integrated into coastal monitoring programs. This study evaluates approaches for monitoring toxins associated with ...
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Harmful Algae and Their Potential Impacts on Desalination Operations off Southern California

Seawater desalination by reverse osmosis (RO) is a reliable method for augmenting drinking water supplies. In recent years, the number and size of these water projects have increased dramatically. As freshwater resources become limited due to global climate change, rising ...
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General Pages

ECOHAB

Ecology and Oceanography of HABs (ECOHAB)Toxic Karenia brevis stains the water off South Padre Island, Texas, a rusty red. We fundresearch to understand the biology of harmful algae species and ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation

Funding Opportunities

NCCOS Funding OpportunitiesNCCOS supports the Competitive Research Program (CRP) and the RESTORE Science Program that provide the critical information and predictive capabilities required to manage the nation’s coastal resources in ...
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HABHRCA

Harmful Algal Bloom and Hypoxia Research and Control ActThe Issue Harmful algal blooms (HABs) and hypoxic events (severe oxygen depletion) are some of the most scientifically complex and economically damaging ...
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HABHRCA, Stressor Impacts and Mitigation

MERHAB

Monitoring and Event Response (MERHAB)Our funding enhances state and regional monitoring with advanced harmful algae detection capabilities, from low-cost shellfish toxin tests to high-tech sensors at sea. (Credit: Washington State ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation

PCMHAB

Prevention, Control, and Mitigation of HABs (PCMHAB)PCMHAB projects identify and evaluate a range of methods, like spraying clay shown here, to eliminate or control blooms of harmful algae in ways ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation

Rapid Response

Rapid ResponseNCCOS's rapid response provides state and local coastal public health and resource managers with ready access to critical data on the types of HAB species and toxins present during ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation

Stressor Impacts and Mitigation

Stressor Impacts & MitigationHarmful Algal BloomsManagers of fisheries, beaches, and water treatment facilities need information on HAB detection and forecasting to plan for and deal with the adverse environmental, economic, ...
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Biological Effects of Contaminants and Nutrients, Fish Kill, HABHRCA, Harmful Algal Bloom Detection and Forecasting, Hypoxia, Invasive Species, Oil Spill, Pathogens, Sensor Development, Stressor Impacts and Mitigation, Water Quality

NOAA Internship Opportunities

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About NCCOS

NCCOS delivers ecosystem science solutions for stewardship of the nation’s ocean and coastal resources, in direct support of NOS priorities, offices, and customers, and to sustain thriving coastal communities and economies.

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Silver Spring, MD 20910
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