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Projects

A Study of Gambierdiscus ‘Super Bugs’ ...

Ciguatera fish poisoning (CFP) is the most common algal-borne illness worldwide. It is a debilitating syndrome caused by consumption of fish contaminated with ciguatoxins (CTXs) produced by the dinoflagellate Gambierdiscus ...
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Aggression is a Symptom of Domoic Acid Poisoning i...

To gain a better understanding of symptoms experienced by California sea lions caused by the toxin domoic acid, we are studying the relationship between aggression and seizure behavior in laboratory ...
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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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Are Growth and Toxicity of the Dinoflagellate Alex...

Blooms of Alexandrium fundyense result in economic losses to fisheries, aquaculture, and pose public health risks. Typically, A. fundyense growth and toxicity are seen as dependent on light, temperature, and ...
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Azaspiracid: An Emerging Algal Toxin

Azaspiracids are a group of toxins first reported in the 1990s in Western European waters and are now reported to occur along both the East and West coasts of North ...
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Characterization of an Algicidal Agent Produced by...

We examined a biological control agent isolated from a bacteria species that may provide a mechanism for halting the growth of certain types of toxic dinoflagellate harmful algal blooms. We ...
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Characterization of Toxin Synthesis Pathways in To...

During the past 25 years, the abundance, range, and variety of harmful algal blooms (HABs) and their toxins have been increasing, impacting human and marine animal health through consumption of ...
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Ciguatera Fish Poisoning: Identifying Toxic Specie...

Ciguatera fish poisoning (CFP) is the most common, non-bacterial, seafood illness. The condition is caused by toxins from the microalga Gambierdiscus, and can lead to diarrhea, paralysis, and, in worst ...
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Ciguatoxin Impacts on Foraging Behavior in Hawaiia...

Hawaiian monk seals, which are critically endangered, inhabit the Papahānaumokuākea Marine National Monument and the Hawaiian Islands. For the first time we have identified the algal toxin ciguatoxin, the cause ...
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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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News

NCCOS Scientist Receives Prestigious ‘Gears ...

Dr. Greg Doucette from the NCCOS Charleston Laboratory in South Carolina, along with his two NOAA teammates, received the celebrated 2019 Gears of Government President's Award. Dr. Greg Doucette (left) ...
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Toxic Cyanobacteria Span Coastal Watersheds from R...

Example of the California land-sea interface: Upland reservoir ➝ river ➝ estuary ➝ Pacific Ocean. Credit M. Howard, SCCWRP Research sponsored by NCCOS finds harmful cyanobacteria (aka blue-green algae) and ...
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Small Bloom Predicted for Gulf of Maine Red Tide i...

Researchers with NOAA's National Centers for Coastal Ocean Science and the Woods Hole Oceanographic Institution are predicting a small, red tide for the Gulf of Maine this summer, continuing the ...
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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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2017-2018 Florida Red Tide Determined by Ocean Cir...

A composite of all observations of Karenia brevis made by the Florida Wildlife Research Institute from 1953 through 2007. The white ellipse denotes the hypothesized, mid-shelf initiation region. The arrows ...
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Socioeconomic Impacts of Harmful Algal Blooms Stor...

“Hitting us where it hurts“ story map lead image. Credit: NOAA. Increasing numbers of toxic algal blooms in coastal waters and lakes have large social and economic impacts. NOAA’s new ...
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Florida Red Tide Summit Features NCCOS Research

On March 28, 2019, about 350 people attended the Pinellas County and City of Indian Rocks Beach Red Tide Summit in Indian Rocks Beach, Florida. Panel and audience at the ...
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NCCOS Participates in Gulf of Maine HAB Stakeholde...

On March 26, 2019, the annual Gulf of Maine (GOM) Harmful Algal Bloom (HAB) Meeting took place in Portland, Maine. ESP-chris deployed off Portsmouth, NH. ESPs are being used for ...
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Algae with Mixed Feeding Capabilities May have Adv...

New NCCOS-sponsored research shows the importance of “mixotrophy”—the ability to photosynthesize like a plant and consume like an animal—to the growth of some single-celled organisms, such as the toxic dinoflagellate ...
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Exploring Airborne Health Risks from Cyanobacteria...

After a November 2018 finding that one type of airborne blue-green algae toxin was likely inhaled deep into human lungs, Florida Gulf Coast University (FGCU) researchers, supported by NOAA’s National ...
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Products

Maps, Tools & Applications

Harmful algal blooms (HABs), sometimes known as “red tide”, occur when certain kinds of algae grow very quickly, forming patches, or “blooms”, in the water. These blooms can emit powerful toxins which endanger human and animal health. NCCOS conducts and funds research that helps communities protect the public and combat blooms in cost-effective ways, and we are breaking new ground in the science of stopping blooms before they occur.
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The NCCOS Geoportal is an online data explorer providing discovery and access to the full catalogue of NCCOS-funded scientific data, including archived data accessions, metadata records, and web services. To discover data, enter a word or phrase in the text box and click on “Search” to conduct a free text search; refine your search using additional options for content type, date, region, and spatial extent. Click on “Browse” to explore the catalogue using topical keywords. Launch the “Map Viewer” to visualise geospatial data (GIS layers) served via mapping web services.
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NCCOS runs the Phytoplankton Monitoring Network (PMN) to link volunteers who monitor for marine phytoplankton and HABs in cooperation with professional scientists. We build a more informed public while expanding the reach and resolution of HAB monitoring. Over 200 PMN volunteers sample 140+ sites in 17 states and the US Virgin Islands.
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The Vibrio Predictive Models combine state of the art hydrodynamic models with specific algorithms for Vibrio, to provide early warning of these potential coastal hazards. Knowing where and when to expect elevated concentrations of Vibrio, and environmental conditions that promote rapid growth can inform both management and individual grower harvest decision making in the shellfish industry.
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Data & Publications

A Bayesian Semiparametric Regression Model for Joint Analysis of Microbiome Data

The successional dynamics of microbial communities are influenced by the synergistic interactions of physical and biological factors. In our motivating data, ocean microbiome samples were collected from the Santa Cruz Municipal Wharf, Monterey Bay at multiple time points and then ...
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A changing nutrient regime in the Gulf of Maine

Recent oceanographic observations and a retrospective analysis of nutrients and hydrography over the past five decades have revealed that the principal source of nutrients to the Gulf of Maine, the deep, nutrient-rich continental slope waters that enter at depth through ...
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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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A high-resolution pre-operational forecast model of circulation on the Texas-Louisiana continental shelf and slope

A new pre-operational model of circulation over the Texas-Louisiana continental shelf and slope, based on the Regional Ocean Modelling System (ROMS) is presented. The model is designed with a number of practical applications in mind: to predict oil spill trajectories, ...
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A Novel Antibody-Based Biomarker for Chronic Algal Toxin Exposure and Sub-Acute Neurotoxicity

The neurotoxic amino acid, domoic acid (DA), is naturally produced by marine phytoplankton and presents a significant threat to the health of marine mammals, seabirds and humans via transfer of the toxin through the foodweb. In humans, acute exposure causes ...
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A quantitative real-time PCR assay for the identification and enumeration of Alexandrium cysts in marine sediments

Harmful algal blooms (HABs) are a global problem that affects both human and ecosystem health. One of the most serious and widespread HAB poisoning syndromes is paralytic shellfish poisoning, commonly caused by Alexandrium spp. dinoflagellates. Like many toxic dinoflagellates, Alexandrium ...
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Advancing Tools for Modeling, Forecasting and Managing for Vibrio spp. in Washington State

The vast majority of Vibrio-related illnesses in Washington State are associated with a single species, Vibrio parahaemolyticus (Vp). The intent of this workshop was to bring together tribal and non-tribal industry representatives, Federal subject matter experts, State Shellfish Control Authorities, ...
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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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Asynchronous vertical migration and bimodal distribution of motile phytoplankton

Some motile phytoplankton have the capability to exploit deep sources of nutrients in a vertical migration cycle: photosynthesis in the near-surface layer, transit to depth, uptake of the limiting nutrient and transit back to the surface layer. If all four ...
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Biological, chemical, and physical data from the Phytoplankton Monitoring Network from 13 Sep 2001 to 7 Mar 2013 (NODC Accession 0117942)

The Phytoplankton Monitoring Network (PMN) is a part of the National Centers for Coastal Ocean Science (NCCOS). The PMN was created as an outreach program to connect volunteers and professional scientists in the monitoring of marine phytoplankton and harmful algal ...
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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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HAB Forecasts

HAB ForecastsOur HAB forecasts alert coastal managers to blooms before they cause serious damage. Short-term (once or twice weekly) forecasts identify which blooms are potentially harmful, where they are, how ...
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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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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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Phytoplankton Monitoring Network (PMN)

Phytoplankton Monitoring Network (PMN)Better Understanding of Harmful Algal Blooms Through Volunteer MonitoringSubmit DataExplore DataThe National Phytoplankton Monitoring Network (PMN) is a community-based network of volunteers monitoring marine phytoplankton and harmful ...
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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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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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NOAA Internship Opportunities

Phytoplankton composition and optics of the Northe...

Phytoplankton composition is a critical component of aquatic food web structure, societally important fisheries, and human health. These internships are part of a larger project to test and evaluate phytoplankton ...
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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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Phone: (240) 533-0300 / Fax: (301) 713-4353
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