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Projects

A Mechanism Based Intervention for Brevetoxin Indu...

The Florida manatee inhabits environments in which blooms of the toxic dinoflagellate, Karenia brevis, frequently occur. K. brevis produces brevetoxins, that result in fish kills, contamination of shellfish, and respiratory ...

A Study of Gambierdiscus 'Super Bugs' and Ciguatox...

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 ...

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 ...

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 ...

Application of Clay Flocculation for Removal of Ka...

Despite routine application in Asia, clay flocculation technology to control harmful algal blooms has not been adopted in the U.S., largely because of the lack of data on U.S. ecosystems ...

Application of Quantitative Molecular Methods to C...

This project supports development for two lab-based quantitative molecular methods for more rapid, accurate detection of Alexandrium catenella resting cysts in sediment from the Gulf of Maine, Puget Sound, and ...

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 ...

Assessing Societal Impacts of Harmful Macroalgae B...

We will examine how Sargassum seaweed blooms and their mitigation in the Caribbean affect multiple dimensions of social resilience, including economic impacts, human well-being, local ecological knowledge, and individual attitudes, ...

Assessment of the Short- and Long-term Socioeconom...

This project, funded by NCCOS through the Gulf of Mexico Coastal Ocean Observing System, will comprehensively quantify and qualify the short- and long-term socioeconomic impacts of the 2017-2019 Karenia brevis ...

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 ...

News

Harmful Algal Bloom Workshop Focuses on Alaskan Co...

Attendees at the 2023 Alaska HAB Workshop. Climatic changes in Arctic Alaska are resulting in more harmful algal blooms (HABs) for the region, signaling a potential growing threat to human ...

NCCOS Contributes to 2023 Annual meeting of the Na...

Dr. Suzanne Bricker (l) and Ms. Shelly Tomlinson (r) with Dr. Sandy Shumway, President-elect National Shellfish Association and Conference Manager, at the 115th Annual meeting of the National Shellfish Association ...

Publication Provides Guidance on Implementing Earl...

An international team of researchers and managers that includes NCCOS scientists published technical guidance to help improve harmful algal bloom (HAB) monitoring and forecasting around the globe. The document provides ...

Study Estimates Economic Impacts of Harmful Algal ...

Razor clamming on Washington coast, October 20, 2021. Credit: Washington Department of Fish and Wildlife. A new study from NCCOS-funded researchers estimates a range of economic impacts that result from ...

Pacific Northwest Tribes Participate in NCCOS-host...

Tribal members collecting phytoplankton. Credit: NOAA. NCCOS scientists hosted a phytoplankton and toxin monitoring workshop for Tribal environmental specialists from the First Nations Health Authority, part of the WATCH Community ...

2022 Lake Erie Algal Bloom More Severe than Predic...

Bloom severity index (SI) for 2002-2022. The SI is based on the amount of biomass over the peak 30-days. The 2022 bloom had a severity of 6.8. October marked the ...

Annual Harmful Algal Cyst Sampling Cruise Complete...

Seed-like cysts of the harmful alga Alexandrium catenella. Credit: Tyler Harman, Mark Vandersea, NOAA NCCOS. Scientists from NCCOS and Woods Hole Oceanographic Institution embarked on a seven-day sediment sampling mission ...

11th U.S. Harmful Algal Bloom Symposium Highlights...

The 11th U.S. Symposium on Harmful Algae highlighted advances in research and development of scientifically sound solutions to aid communities across the country in responding to the increasing impacts from harmful ...

NCCOS Awards $16.1M for Harmful Algal Bloom Resear...

Cyanobacteria shares some properties with algae and are found naturally in lakes, streams, ponds and other surface waters. (EPA) NCCOS is announcing $16.1 million in funding for harmful algal bloom ...

Products

Maps, Tools & Applications

NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

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NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

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NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

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NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

View Product

NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

View Product

NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

View Product

NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

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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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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.
Project PageView Product

NCCOS developed the Algal Bloom Monitoring System to routinely deliver near real-time products for use in locating, monitoring and quantifying algal blooms in coastal and lake regions of the US. This application delivers a suite of bloom detection products in the form of geographic based images. At this time products are available for selected regions. New products are being evaluated, and new regions are being considered; as they are proven useful, they will be made available through this system.

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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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

General Pages

2017 Archive

Harmful Algal Bloom ForecastsResults here represent model solutions initiated from a cyst abundance map from November 2016, with germination, growth, and transport of Alexandrium fundyense cells driven by the factors ...

2018 Archive

Harmful Algal Bloom Forecasts Results here represent model solutions initiated from a cyst abundance map from February 2018, with germination, growth, and transport of Alexandrium catenella cells driven by the ...

2019 Archive

Harmful Algal Bloom Forecasts Results here represent model solutions initiated from a cyst abundance map from February 2019, with germination, growth, and transport of Alexandrium catenella cells driven by the ...

Assessing Environmental and Economic Impacts

Harmful algal blooms (HABs) can produce toxins or cause other harmful effects that can damage U.S. coastal and Great Lakes ecosystems, disrupt seafood supply, impact economies, and threaten human health ...

Bloom Position Forecast

These movies show the modeled bloom position from date of satellite imagery as of 2023-06-20 to a minimum of 96 hours from time of the model run, using water currents ...

Bulletin Update

Harmful Algal Bloom Monitoring SystemThe imagery for the Lake Erie Bulletin is changing to a new color scale. This scale is more consistent in brightness, and follows from advances in ...

Cyanobacteria Algal Bloom from Satellite in Albemarle and Pamlico Sounds, NC

Harmful Algal Bloom Monitoring SystemImages last updated: 09/20/2022 Click the next and previous arrows to view the most recent 13 usable images from the last 14 days. (You may need ...

Cyanobacteria Algal Bloom from Satellite in Green Bay and Lake Winnebago, WI

Harmful Algal Bloom Monitoring SystemImages last updated: 07/16/2024 Click the next and previous arrows to view the most recent 11 usable images from the last 14 days. (You may need ...

Cyanobacteria Algal Bloom from Satellite in Lake Okeechobee, FL

Harmful Algal Bloom Monitoring SystemImages last updated: 11/27/2022 Click the next and previous arrows to view the most recent 8 usable images from the last 14 days. (You may need ...

Cyanobacteria Algal Bloom from Satellite in Lake Pontchartrain, LA

Harmful Algal Bloom Monitoring SystemImages last updated: 07/16/2024 Click the next and previous arrows to view the most recent 54 usable images from the last 60 days. (You may need ...
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