Projects Archive - NCCOS - National Centers for Coastal Ocean Science

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 ...

Cross-Regional Comparison of Dinophysis Bloom Dynamics, Drivers, and Toxicity

Chesapeake Bay, dinophysis, DSP, ECOHAB, Gulf of America (formerly Gulf of Mexico), Harmful Algal Bloom Detection and Forecasting, Long Island Sound, New York, Other Topics, Puget Sound, quay.dortch@noaa.gov, Sponsored Research, Stressor Impacts and Mitigation, Texas, U.S. States and Territories, Virginia, Washington, Waterbodies

Harmful algal blooms of Dinophysis have recently emerged as a human health threat in the U.S., resulting in closures of shellfish harvesting to prevent Diarrhetic ...

Cyanobacterial Blooms and Toxins in a High-Latitude Estuary: An Emerging Threat with Potential Impacts on Subsistence Resources

Alaska, Harmful Algal Bloom Detection and Forecasting, maggie.broadwater@noaa.gov, Stressor Impacts and Mitigation, U.S. States and Territories

Cyanobacterial harmful algal blooms (cHABs) in Arctic estuaries are an emerging threat causing concerns for communities that rely on subsistence resources. Yet, managers have little ...

Defining Domoic Acid Epileptic Disease

California, Harmful Algal Bloom Detection and Forecasting, john.ramsdell@noaa.gov, Stressor Impacts and Mitigation, U.S. States and Territories

Domoic acid epileptic disease, a central nervous system disorder caused by the algal toxin domoic acid (DA), first showed up in humans in a 1987 ...

Deposition and Resuspension of Alexandrium fundyense Resting Cysts in the Gulf of Maine: Phase II

Harmful Algal Bloom Detection and Forecasting, Maine, Massachusetts, New Hampshire, quay.dortch@noaa.gov, Stressor Impacts and Mitigation, U.S. States and Territories

Toxins from annual blooms of Alexandrium fundyense accumulate in shellfish; shellfish harvesting closures protect human health, but are economically disruptive. Seed-like cysts produced by A ...

Developing a Chesapeake Bay HAB Monitoring and Forecast System for Margalefidinium and Alexandrium Blooms

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

This project will pilot a regional monitoring and response network for the lower Chesapeake Bay that incorporates a diverse suite of existing and new field ...

Developing a Machine Learning-Based, High Resolution, Predictive Capacity for Monitoring Paralytic Shellfish Toxins Along the Gulf of Maine Coastline

Atlantic Ocean, Forecasting, harmful algal bloom, Harmful Algal Bloom Detection and Forecasting, maggie.broadwater@noaa.gov, Maine, Massachusetts, MERHAB, New Hampshire, Other Topics, PSP, PST, Sponsored Research, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

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 ...

Developing an Operational Sargassum HAB Monitoring and Forecasting System for the Southeastern U.S. and U.S. Caribbean

Atlantic Ocean, Caribbean Sea, Florida, Harmful Algal Bloom Detection and Forecasting, marc.suddleson@noaa.gov, Puerto Rico, Sargassum, Stressor Impacts and Mitigation, U.S. States and Territories, U.S. Virgin Islands, Waterbodies

This project will improve the effectiveness of existing NOAA and partner Sargassum detection and forecasting capabilities, facilitate a better understanding of biochemical impacts associated with ...

Developing Biomarkers for Bloom Growth and Death in Florida Red Tides

Gulf of America (formerly Gulf of Mexico), Harmful Algal Bloom Detection and Forecasting, Karenia brevis, Stressor Impacts and Mitigation, Tod.Leighfield@noaa.gov, Waterbodies

The microscopic alga Karenia brevis causes harmful algal blooms (red tides) in the Gulf of Mexico. By studying the processes regulating the life cycle of ...

Developing Practical and Affordable Water Filtration Systems to Remove Cyanotoxins

Harmful Algal Bloom Detection and Forecasting, john.wickham@noaa.gov, New York, Stressor Impacts and Mitigation, U.S. States and Territories

We are testing the use of local, natural bacteria to destroy cyanotoxins. These toxins are produced by freshwater cyanobacteria, also known as blue-green algae, and ...

Development and Implementation of an Operational Harmful Algal Bloom Prediction System for Chesapeake Bay

Chesapeake Bay, harmful algal bloom, Harmful Algal Bloom Detection and Forecasting, Karlodinium, marc.suddleson@noaa.gov, Maryland, MERHAB, microcystis, Other Topics, Prorocentrum, Sponsored Research, Stressor Impacts and Mitigation, Technology Transfer, U.S. States and Territories, Virginia, Waterbodies

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 ...

Development of a Coupled Hydrodynamic-Biogeochemical Model to Predict Prorocentrum minimum and Karlodinium veneficum Blooms in Chesapeake Bay

Chesapeake Bay, Harmful Algal Bloom Detection and Forecasting, quay.dortch@noaa.gov, Stressor Impacts and Mitigation, Waterbodies

Harmful Algal Blooms (HABs) in the Chesapeake Bay, which threaten human and ecosystem health, are more frequent and severe than decades ago. We are developing ...

Differences in the Toxicity of the Alga Gambierdiscus: Implications for Ciguatera in the Caribbean

Biological Effects of Contaminants and Nutrients, Caribbean Sea, Harmful Algal Bloom Detection and Forecasting, marc.suddleson@noaa.gov, Stressor Impacts and Mitigation, Waterbodies

The goal of this project is to advance our understanding of toxins produced by different species of the alga Gambierdiscus and how these toxins and ...

DinoSHIELD: A Slow-release Natural Algicide Produced by Shewanella Sp. IRI-160 for Management of Red Tide

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

We will field test an environmentally neutral method to control harmful algal blooms. Our work will provide managers with information on the applications of a ...

Do Harmful Algal Bloom Migrations Across Carbonate System Gradients Confer a Competitive Advantage?

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

This project will evaluate whether harmful algal bloom (HAB) species may have a competitive advantage over other phytoplankton in response to coastal acidification and climate ...

Early Warning for Amnesic Shellfish Poisoning in the Gulf of Maine through Real Time in situ Characterization of Upstream Phytoplankton Blooms

Gulf of Maine, Harmful Algal Bloom Detection and Forecasting, Maine, marc.suddleson@noaa.gov, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

This project will help mitigate HAB-related disruptions to highly productive Gulf of Maine shellfisheries with new knowledge, observing technology advances, and enhanced capacity to deliver ...

ECOHAB: GOMTOX: Dynamics of Alexandrium fundyense Distributions in the Gulf of Maine: An Observational and Modeling Study

Atlantic Ocean, Forecasting, Gulf of Maine, harmful algal bloom, Harmful Algal Bloom Detection and Forecasting, Maine, Massachusetts, New Hampshire, Other Topics, quay.dortch@noaa.gov, Sponsored Research, Stressor Impacts and Mitigation, U.S. States and Territories, Waterbodies

Extensive shellfish resources in the Gulf of Maine are frequently contaminated with toxins produced by the red tide dinoflagellate Alexandrium fundyense. Shellfish harvesting must be ...

Ecophysiology and Toxicity of the Toxic Alga Heterosigma akashiwo in Puget Sound: A Living Laboratory Ecosystem Approach

Harmful Algal Bloom Detection and Forecasting, quay.dortch@noaa.gov, Stressor Impacts and Mitigation, U.S. States and Territories, Washington

We are identifying toxins and environmental factors causing fish-killing blooms by the alga Heterosigma akashiwo in Puget Sound. We develop tools to improve monitoring, early ...

Effects and Discovery of Chronic Domoic Acid Exposure on Gene Expression in the Vertebrate Central Nervous System

amnesic shellfish poisoning, Biological Effects of Contaminants and Nutrients, domoic acid, hab, Harmful Algal Bloom Detection and Forecasting, pseudo-nitzschia, quay.dortch@noaa.gov, sea lion, Stressor Impacts and Mitigation, U.S. States and Territories, Washington, zebrafish

Domoic acid, a naturally occurring marine neurotoxin, threatens the health of marine mammals, seabirds, and humans via severe and long-term yet low-level exposure through the ...

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