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Projects

Implementing Karenia brevis Respiratory Risk For...

This project will establish a network that incorporates state monitoring partners and citizen scientists to show that the HABscope-based forecast system can provide robust, timely and useful bloom locations and ...

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 ...

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 ...

Life and Death of Karenia brevis Blooms in the Eas...

An extensive bloom of the brevetoxin-producing Karenia brevis occurred from 2017 to 2019 in Florida. The economic, environmental, and human health impacts were quite severe during this event. This regional ...

Life and Death of a Karenia Bloom in the Western G...

Harmful algal blooms (HABs) are increasing in frequency and pose a threat to human and environmental health. Blooms of Karenia brevis occur nearly annually along the Florida coast which has ...

Microcystins in Bivalves: Optimizing of Monitoring...

This project addresses an emerging concern across the US - the transfer of freshwater algal toxins into the marine environment where they can infiltrate the food web and present a ...

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 ...

Monitoring and Management of Lipophilic Shellfish ...

Lipid and fat soluble (lipophilic) algal toxins linked to diarrhetic shellfish poisoning and azaspiracid shellfish poisoning are emerging threats to recreational, subsistence, and commercial shellfisheries in the state of Washington ...

New Tools to Aid in Managing Ciguatera Poisoning R...

Ciguatera fish poisoning is the most frequently reported non-bacterial illness associated with eating fish in the United States and the U. S. territorial islands. Ciguatera significantly impacts commercial and recreational ...

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 ...

News

National Harmful Algal Bloom Observing Network Fra...

The National Harmful Algal Bloom Observing Network (NHABON) Framework offers a high-level regional analysis of existing efforts to monitor and forecast harmful algal blooms (HABs) and identifies gaps in observing ...

Marine Heatwaves Fuel Harmful Algal Blooms Off US ...

Recreational razor clamming can bring thousands of visitors to the Washington coast. Toxins concentrated in razor clam and Dungeness crab fisheries have caused economic damage to coastal communities. Repeated marine ...

Linking Chlorophyll Concentration and Wind Pattern...

The California Current System (CCS) is a highly productive region because of wind driven upwelling which supplies nutrients to the euphotic zone. Few studies have compared upwelling and algae blooms ...

NOAA Algal Toxin Study Supports U.S. Effort to Res...

UPDATE: September 23, 2020 The FDA announced its first-ever equivalence determination with a notice in the Federal Register. The equivalence determination will enable Spain and the Netherlands to export raw ...

NCCOS Monitoring Cyanobacterial Blooms in Lake Pon...

The Bonnet Carré Spillway is a flood control operation designed to divert the nutrient-rich waters of the Mississippi River into Lake Pontchartrain when river water levels get too high, in ...

Tenth Harmful Algal Bloom Symposium Highlights NCC...

Credit. 10th US Symposium on Harmful Algae. The 10th US Symposium on Harmful Algae, held November 3-8, 2019, focused on emerging harmful algal blooms (HABs) in the US, crossing the ...

Promising HAB Control Method Builds on NCCOS Funde...

Fluorescent images of a harmful dinoflagellate before (left) and after (middle and right) exposure to the Shewanella-derived algicide. Note the impacts on the nucleus, shown in blue. The research points ...

Sharing Advances in Performance and Affordability ...

NCCOS funded improvements made to an in situ robotic biological sensing system, called the Environmental Sample Processor, are being shared at three major ocean science conferences in the fall of ...

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Data & Publications

Phytoplankton-Associated Bacterial Community Composition and Succession during Toxic Diatom Bloom and Non-Bloom Events

Pseudo-nitzschia blooms often occur in coastal and open ocean environments, sometimes leading to the production of the neurotoxin domoic acid that can cause severe negative impacts to higher trophic levels. Increasing evidence suggests a close relationship between phytoplankton bloom and ...

Rapid Downward Transport of the Neurotoxin Domoic Acid in Coastal Waters

Toxic phytoplankton blooms threaten coastlines worldwide by diminishing beach quality and adversely affecting marine ecosystems and human health. The common diatom genus Pseudo-nitzschia consists of several species known to produce the neurotoxin domoic acid. Recent studies suggest that algal blooms ...

Subsurface seeding of surface harmful algal blooms observed through the integration of autonomous gliders, moored environmental sample processors, and satellite remote sensing in southern California

An observational study was performed in the central Southern California Bight in Spring 2010 to understand the relationship between seasonal spring phytoplankton blooms and coastal processes that included nutrient input from upwelling, wastewater effluent plumes, and other processes. Multi-month Webb ...

The contribution of inorganic and organic nutrients to the growth of a North American isolate of the mixotrophic dinoflagellate, Dinophysis acuminata

Diarrhetic Shellfish Poisoning (DSP) is a globally significant human health syndrome most commonly caused by dinoflagellates of the genus Dinophysis. While ecosystem studies suggest that blooms of this mixotrophic dinoflagellate can be promoted by excessive nitrogen (N) loading, it is ...

The emergence of Dinophysis acuminata blooms and DSP toxins in shellfish in New York waters

The dynamics of Dinophysis acuminata and its associated diarrhetic shellfish poisoning (DSP) toxins, okadaic acid (OA) and dinophysistoxin-1 (DTX1) as well as pectenotoxins (PTXs), were investigated within plankton and shellfish in Northport Bay, NY, USA, over a four year period ...

The role of a PSP-producing Alexandrium bloom in an unprecedented diamondback terrapin (Malaclemys terrapin) mortality event in Flanders Bay, New York, USA

Diamondback terrapins (Malaclemys terrapin) are a threatened or endangered species in much of their range along the U.S. Atlantic and Gulf coasts. Over an approximately three-week period from late April to mid-May 2015, hundreds of adult diamondback terrapins were found ...
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