Projects Archive - NCCOS - National Centers for Coastal Ocean Science

A Mechanism Based Intervention for Brevetoxin Induced Oxidative Stress

Atlantic Ocean, brevetoxicosis, Florida, Gulf of Mexico, harmful algal bloom, Harmful Algal Bloom Detection and Forecasting, Karenia brevis, maggie.broadwater@noaa.gov, manatee, marine health, marine mammal health, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

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, ...

A Study of Gambierdiscus ‘Super Bugs’ and Ciguatoxin Fate in Coral Reef Food Webs

Florida, Harmful Algal Bloom Detection and Forecasting, marc.suddleson@noaa.gov, Stressor Impacts and Mitigation, U.S. States and Territories, U.S. Virgin Islands

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) ...

Advancing an Integrated HAB Detection and Monitoring System Across the San Francisco Estuary

California, Harmful Algal Bloom Detection and Forecasting, marc.suddleson@noaa.gov, Pacific Ocean, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

This project will improve monitoring and response to harmful blooms of cyanobacteria and marine algae and a suite of algal toxins they produce that have ...

Aggression is a Symptom of Domoic Acid Poisoning in California Sea Lions

California, domoic acid, Harmful Algal Bloom Detection and Forecasting, john.ramsdell@noaa.gov, Pacific Ocean, sea lions, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

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 ...

An Early Warning System for Pseudo-nitzschia Harmful Algal Blooms on Pacific Northwest Outer-Coast Beaches

Coastal Change, dungeness crab, hab forecast, harmful algal bloom, Harmful Algal Bloom Detection and Forecasting, marc.suddleson@noaa.gov, MERHAB, Oregon, pseudo-nitzschia, razor clam, Stressor Impacts and Mitigation, U.S. States and Territories, Washington

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 ...

Application of Clay Flocculation for Removal of Karenia brevis Cells and Toxins in Southwest Florida Coastal Waters

clay, control, felix.martinez@noaa.gov, Florida, Gulf of Mexico, Gulf of Mexico, harmful algal bloom, Harmful Algal Bloom Detection and Forecasting, Karenia brevis, Other Topics, red tide, Sponsored Research, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

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 ...

Application of Quantitative Molecular Methods to Characterize Abundance and Distribution of Alexandrium Cysts for NOAA’s HAB Forecasting

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 ...

Are Growth and Toxicity of the Dinoflagellate Alexandrium Controlled by Grazer-induced Defense?

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

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 ...

Assessing Societal Impacts of Harmful Macroalgae Blooms in the Caribbean

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

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 ...

Assessment of the Short- and Long-term Socioeconomic Impacts of Florida’s 2017-2019 Red Tide Event

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

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 ...

Azaspiracid: An Emerging Algal Toxin

Canada, Foreign Countries, greg.doucette@noaa.gov, Harmful Algal Bloom Detection and Forecasting, Ireland, Michigan, South Carolina, Stressor Impacts and Mitigation, U.S. States and Territories, Washington

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 ...

Biscayne Bay PhycoNet

Florida, Harmful Algal Bloom Detection and Forecasting, marc.suddleson@noaa.gov, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, U.S. States and Territories

Why We Care Biscayne Bay is a coastal embayment in southeast Florida that has experienced rapid human population growth over the last century, resulting in ...

Causes and Consequences of Cell Death in the Toxic Dinoflagellate Alexandrium tamarense

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

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 ...

Characterization of an Algicidal Agent Produced by the Bacterium Shewanella

algacide, Chesapeake Bay, dinoflagellates, Harmful Algal Bloom Detection and Forecasting, marc.suddleson@noaa.gov, Maryland, New Jersey, PCMHAB, shewanella, Stressor Impacts and Mitigation, U.S. States and Territories, Virginia, Waterbodies

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 ...

Characterization of Toxin Synthesis Pathways in Toxic Dinoflagellates

Alabama, Florida, Gulf of Mexico, Harmful Algal Bloom Detection and Forecasting, Louisiana, Mississippi, Stressor Impacts and Mitigation, Texas, Tod.Leighfield@noaa.gov, U.S. States and Territories, Waterbodies

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 ...

Ciguatera Fish Poisoning: Identifying Toxic Species

Caribbean Sea, ciguatoxin, Florida, gambierdiscus, Guam, Harmful Algal Bloom Detection and Forecasting, Hawaii, Puerto Rico, Stressor Impacts and Mitigation, U.S. States and Territories, U.S. Virgin Islands, Waterbodies, wayne.litaker@noaa.gov

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 ...

Ciguatoxin Impacts on Foraging Behavior in Hawaiian Monk Seals

Biological Effects of Contaminants and Nutrients, Harmful Algal Bloom Detection and Forecasting, Hawaii, john.ramsdell@noaa.gov, Stressor Impacts and Mitigation, U.S. States and Territories

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 ...

Climate Change and Acidification Impacts on Cyanobacterial Harmful Algal Blooms in the Great Lakes

Canada, Foreign Countries, Great Lakes, Harmful Algal Bloom Detection and Forecasting, maggie.broadwater@noaa.gov, Michigan, Ohio, Other Topics, reagan.errera@noaa.gov, Sponsored Research, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies, Wisconsin

The Great Lakes experience recurrent toxin-producing cyanobacterial harmful algal blooms (cHABs). While cHAB events have been well-studied in recent years, little attention has been given ...

Coastal Acidification and Harmful Algal Blooms in New York Coastal Waters: Interactions and Implications for Marine Ecosystems and Organisms

Atlantic Ocean, Harmful Algal Bloom Detection and Forecasting, Long Island Sound, maggie.broadwater@noaa.gov, New York, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

This project aims to determine how harmful algal blooms (HABs) in New York waters respond to coastal acidification, how current and future climate change conditions ...

Comparative Analysis of Quantitative Detection Methods for Enumeration of HAB Species: Applications for Resource Management

Delaware, Harmful Algal Bloom Detection and Forecasting, heterosigma akashiwo, marc.suddleson@noaa.gov, MERHAB, South Carolina, Stressor Impacts and Mitigation, U.S. States and Territories

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 ...

Complex Interactions Between Harmful Phytoplankton and Grazers: Variation in Zebra Mussel Effects Across Nutrient Gradients

blue green algae, cyanobacteria, dreissena, Great Lakes, Harmful Algal Bloom Detection and Forecasting, Invasive species, microcystins, microcystis, quay.dortch@noaa.gov, Stressor Impacts and Mitigation, Waterbodies, zebra mussel

We identified how nutrients and exotic zebra mussels interact to promote harmful algal blooms (HABs) in the Great Lakes. Results show the relationship between nutrient ...

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