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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 ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Florida, Gulf of Mexico, U.S. States and Territories, Waterbodies, maggie.broadwater@noaa.gov

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 ...

Coastal Change, Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Oregon, U.S. States and Territories, Washington, marc.suddleson@noaa.gov

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 ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Florida, Gulf of Mexico, U.S. States and Territories, Waterbodies, felix.martinez@noaa.gov

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 ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Alaska, Atlantic Ocean, California, Connecticut, Maine, Massachusetts, New Hampshire, New York, Oregon, Pacific Ocean, U.S. States and Territories, Washington, Waterbodies, marc.suddleson@noaa.gov, steve.kibler@noaa.gov

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 ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Connecticut, U.S. States and Territories, Waterbodies, john.wickham@noaa.gov

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, ...

Ecosystem Services Valuation, Harmful Algal Bloom Detection and Forecasting, Other Topics, , Sponsored Research, Stressor Impacts and Mitigation, Puerto Rico, U.S. States and Territories, U.S. Virgin Islands, felix.martinez@noaa.gov

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 ...

Ecosystem Services Valuation, Harmful Algal Bloom Detection and Forecasting, Other Topics, , Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Florida, Gulf of Mexico, U.S. States and Territories, Waterbodies, marykate.rogener@noaa.gov

Causes and Consequences of Cell Death in the Toxic...

Numerous studies have increased understanding of processes that lead to algal bloom initiation, growth, and transport but little is known about the causes of bloom decline and termination. Preliminary results ...

Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Atlantic Ocean, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, quay.dortch@noaa.gov

Developing a Machine Learning-Based, High Resoluti...

Blooms of Alexandrium occur in the Gulf of Maine each year and produce toxins that can accumulate in shellfish, causing Paralytic Shellfish Poisoning. Regional management agencies conduct rigorous monitoring to ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Maine, Massachusetts, New Hampshire, U.S. States and Territories, Waterbodies, maggie.broadwater@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 ...

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

News

Seasonal Differences in Gambierdiscus Abundance, T...

An NCCOS-sponsored study provides the most comprehensive and quantitative assessment to date of the in situ toxicity of Gambierdiscus marine dinoflagellates in the Caribbean. Study findings have implications for the ...

November 29, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Caribbean Sea, U.S. States and Territories, U.S. Virgin Islands, Waterbodies, marc.suddleson@noaa.gov

Climate Change Likely to Worsen Impact of Urban Ru...

The downtown Los Angeles skyline. Credit Wikimedia Commons. An NCCOS-funded study found that nutrient-laden, urban runoff is fueling algal blooms in Southern California's coastal waters that are acidifying the water ...

November 9, 2021 CHRP, Coastal Change, Harmful Algal Bloom Detection and Forecasting, Hypoxia, Ocean Acidification, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, California, Pacific Ocean, U.S. States and Territories, Waterbodies, kimberly.puglise@noaa.gov

Understanding Blooms of Dinoflagellate Margalefidi...

Margalefidinium polykrikoides (previously known as Cochlodinium polykrikoides) is a toxic dinoflagellate algae found in Chesapeake Bay. NCCOS sponsored scientists at Old Dominion University used a time-dependent model to assess environmental ...

November 2, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Chesapeake Bay, U.S. States and Territories, Virginia, Waterbodies, maggie.broadwater@noaa.gov

Study Confirms Red Tide’s Self-sustaining Seasonal...

An NCCOS-sponsored study has validated a 40-year old theory that the Chesapeake Bay bloom-forming harmful alga Prorocentrum minimum has a seasonal life strategy that depends on physical transport by estuarine ...

October 6, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Chesapeake Bay, Maryland, U.S. States and Territories, Virginia, Waterbodies, quay.dortch@noaa.gov

First Real-time Toxicity Assessment of Lake Erie A...

Preparing the 3G-ESP for use on the Long-Range Autonomous Underwater Vehicle (LRAUV). Top left: NCCOS scientist inspects custom-fabricated microcystin sensor chip at Hollings Marine Laboratory in Charleston, South Carolina. Top ...

September 22, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sensor Development, Stressor Impacts and Mitigation, Technology Transfer, Great Lakes, Michigan, Ohio, U.S. States and Territories, Waterbodies, greg.doucette@noaa.gov, reagan.errera@noaa.gov

NCCOS and IOOS Contribute to Successful Kickoff of...

On September 1, 2021 NCCOS, the U.S. Integrated Ocean Observing System (IOOSⓇ) Office, and the IOOS Association organized the inaugural meeting of a newly formed Harmful Algal Bloom Observing Group ...

September 10, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Outreach, Stressor Impacts and Mitigation, greg.doucette@noaa.gov, marc.suddleson@noaa.gov, quay.dortch@noaa.gov, tiffany.c.vance@noaa.gov

Long Term Research on the HAB Toxin Domoic Acid In...

A coalition of researchers funded by the NOAA Monitoring and Event Response for Harmful Algal Blooms (MERHAB) Program recently came together to co-locate an Environmental Sample Processor (ESP) off the ...

September 1, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Pacific Ocean, U.S. States and Territories, Washington, Waterbodies, felix.martinez@noaa.gov

Florida's HAB Problem: Why are HABs so Prevalent i...

A new publication, sponsored in part by NCCOS, reviews the history and status of harmful algal blooms in Florida, why they occur, the main species of concern and management challenges ...

August 30, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Florida, Gulf of Mexico, U.S. States and Territories, Waterbodies, marc.suddleson@noaa.gov

Single-day Intensive Sampling Quantifies Algal Tox...

NCCOS-sponsored researchers and their partners conducted one-day intensive water sampling events in 2018 and 2019 to create high spatial resolution snapshots of the amount and locations of cyanobacterial toxins across ...

August 23, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Great Lakes, Michigan, Ohio, U.S. States and Territories, Waterbodies, felix.martinez@noaa.gov

Workshop Report Defines Agenda for Integrated Rese...

Credit NOAA OAP. NOAA’s Ocean Acidification Program (OAP) and NCCOS have published the proceedings of the virtual Harmful Algal Blooms and Ocean Acidification Workshop in a NOAA Technical Memorandum (OAR-OAP-3) ...

August 9, 2021 Coastal Change, Harmful Algal Bloom Detection and Forecasting, Ocean Acidification, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies, erica.h.ombres@noaa.gov, maggie.broadwater@noaa.gov

Products

Maps, Tools & Applications

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

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

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Cyanobacteria Algal Bloom from Satellite in Lake Okeechobee, FL

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Cyanobacteria Algal Bloom from Satellite in Lake Pontchartrain, LA

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Cyanobacteria Algal Bloom from Satellite in Saginaw Bay, MI

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Cyanobacteria Algal Bloom from Satellite in Western Lake Erie basin

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Experimental Gulf of Maine Alexandrium catenella Nowcast/Forecast Simulation

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Red tide from Satellite for Southwest Florida

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