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A 2015–2016 Assessment of Metals, Legacy Contamina...

One of the Gulf of Maine mussel beds sampled by the Mussel Watch team. Credit: NOAA. The Mussel Watch Program has monitored the nation’s coastal waters for chemical contaminants since ...

Biological Effects of Contaminants and Nutrients, National Mussel Watch, Stressor Impacts and Mitigation, Atlantic Ocean, Gulf of Maine, Maine, Massachusetts, New Hampshire, U.S. States and Territories, Waterbodies, dennis.apeti@noaa.gov, Lauren.Swam@noaa.gov

A Management Tool to Reduce Sea Turtle Bycatch in ...

Along with our partners, we developed a geographic information system (GIS) tool to help coastal managers work toward reducing the bycatch of sea turtles in U.S. fisheries in the Atlantic ...

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

Assessing Community Vulnerability to Inland and Co...

Men canoeing down Central Street in Danforth, Maine, after a flood in 1923. Credit: Maine Memory Network, contributed by an individual through East Grand School. Communities in Maine’s Washington County ...

Assessing Vulnerability and Resilience, Coastal Change, , Vulnerability and Risk Assessment, Maine, U.S. States and Territories, chloe.fleming@noaa.gov

Bioeffects Program Reports: Mid/North Atlantic Reg...

The Bioeffects program is a nationwide program of environmental assessment designed to describe the current status of environmental quality in our nation's estuarine and coastal areas. Field studies examine the ...

Biological Effects of Contaminants and Nutrients, Stressor Impacts and Mitigation, Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, U.S. States and Territories, dennis.apeti@noaa.gov, mary.rider@noaa.gov

Climate Change Impacts on Intertidal Zone Populati...

The intertidal zone, which lies between the high and low tide marks on the shores of the world’s oceans, is a sensitive indicator of the effects of climate variability and ...

Climate Impacts on Ecosystems, Coastal Change, Alaska, California, Maine, Massachusetts, North Carolina, Oregon, South Carolina, U.S. States and Territories, Virginia, Washington, elizabeth.turner@noaa.gov

Coastal Ecological Assessments and Indicator Devel...

We work in partnership with other federal agencies and coastal states to conduct assessments of ecological condition and potential stressor impacts throughout our nation’s estuaries, coastal-ocean waters, and NOAA protected ...

Deposition and Resuspension of Alexandrium fundyen...

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. fundyense accumulate in bottom sediments ...

Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Maine, Massachusetts, New Hampshire, U.S. States and Territories, 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

Developing a Northeast Regional Model of Ocean and...

We will expand an existing regional model to include the carbonate chemistry that determines coastal acidification. The model will allow predictions and forecasts of acidification conditions to help in developing ...

Climate Impacts on Ecosystems, Coastal Change, Ocean Acidification, Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, U.S. States and Territories, elizabeth.turner@noaa.gov

News

Publication Describes How to Effectively Communica...

January 2024 storm brings flood waters to Acadia National Park's historic Blue Duck Ships Store on Little Cranberry Island in Maine. Credit: Melissa Amuso, National Park Service. NCCOS-funded researchers have ...

October 8, 2024 Climate Impacts on Ecosystems, Coastal Change, Sea Level Rise, Vulnerability and Risk Assessment, Maine, Massachusetts, New Hampshire, Rhode Island, U.S. States and Territories, trevor.meckley@noaa.gov

Low Gulf of Maine Red Tide Predicted for 2024

Figure 1. Concentration of Alexandrium cysts in Gulf of Maine bottom sediments (cells/cm²), collected in October 2023. Credit: NOAA/NCCOS. Researchers with NOAA’s National Centers for Coastal Ocean Science (NCCOS) are ...

May 30, 2024 Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Gulf of Maine, Maine, Massachusetts, New Hampshire, U.S. States and Territories, Waterbodies, yizhen.li@noaa.gov

New Study Provides Insights into Marine Bird Distr...

To inform the sustainable development of offshore wind energy on the United States' Atlantic Outer Continental Shelf (OCS), a recent study sheds light on the spatial and temporal distributions of ...

Annual Gulf of Maine HAB Sampling Cruise Completed...

In Pisces’ wet lab, NCCOS scientists Bridget Weimer (left), Andrew Meredith (middle), and Josie Galloway (right) process a sediment sample for cyst quantification. Image Credit: Terry McTigue, NOAA. NCCOS scientists ...

November 8, 2023 Harmful Algal Bloom Detection and Forecasting, Pathogens, Stressor Impacts and Mitigation, Maine, U.S. States and Territories, terry.mctigue@noaa.gov

NCCOS and Partners Initiate Months-Long Surveillan...

Tina Mikulski calibrates domoic acid sensors on multiple 2G ESPs at the Woods Hole Oceanographic Institution-LOSOS laboratory prior to delivery to their Fall deployment. National Centers for Coastal Ocean Science ...

November 8, 2023 Biological Effects of Contaminants and Nutrients, Harmful Algal Bloom Detection and Forecasting, Pathogens, Stressor Impacts and Mitigation, Atlantic Ocean, Maine, Rhode Island, U.S. States and Territories, Waterbodies, greg.doucette@noaa.gov, tina.mikulski@noaa.gov

2023 Gulf of Maine Red Tide Predicted to be Low

Researchers with NOAA’s National Centers for Coastal Ocean Science (NCCOS) are expecting another low to moderate red tide for the Gulf of Maine this spring and summer, continuing the pattern ...

May 1, 2023 Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Gulf of Maine, Maine, Massachusetts, New Hampshire, U.S. States and Territories, Waterbodies, yizhen.li@noaa.gov

NCCOS Awards $11 Million for Research to Enhance C...

Motorists crossing a flooded street in a low-lying Norfolk neighborhood called Colonial Place, which floods at every high tide. Credit: Chesapeake Bay Program/Will Parson NOAA’s National Centers for Coastal Ocean ...

NOAA, FHWA Federal Agency Partnership Recognized w...

A NOAA partnership with the Federal Highway Administration (FHWA) received a U.S. Department of Transportation FHWA Environmental Excellence Award, which recognizes outstanding transportation projects, processes, and organizations that incorporate environmental ...

June 21, 2022 Climate Impacts on Ecosystems, Coastal Change, Funding, Natural and Nature-based Features, Other Topics, Sea Level Rise, Vulnerability and Risk Assessment, Alabama, Atlantic Ocean, Maine, Massachusetts, New Hampshire, U.S. States and Territories, Waterbodies, Elizabeth.Mcnamee@noaa.gov, trevor.meckley@noaa.gov

Low to Moderate Red Tide Bloom Predicted for Gulf ...

Researchers with NOAA’s National Centers for Coastal Ocean Science (NCCOS) are expecting a low to moderate red tide for the Gulf of Maine this spring and summer, continuing the pattern ...

May 4, 2022 Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Gulf of Maine, Maine, Massachusetts, New Hampshire, Rhode Island, U.S. States and Territories, Waterbodies, richard.stumpf@noaa.gov, yizhen.li@noaa.gov

Scientists Complete Annual Gulf of Maine Sampling ...

Scientists carefully retrieving the sediment core of the coring apparatus for processing. Credit: NOAA/NCCOS NCCOS scientists and their partners from Woods Hole Oceanographic Institute recently completed the annual Gulf of ...

March 3, 2022 Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Gulf of Maine, Maine, Massachusetts, New Hampshire, U.S. States and Territories, Waterbodies, terry.mctigue@noaa.gov

Products

Maps, Tools & Applications

Experimental Gulf of Maine Alexandrium catenella Nowcast/Forecast Simulation

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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Phytoplankton Monitoring Network

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.
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Data & Publications

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 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 ...

An ecological characterization of the Stellwagen Bank National Marine Sanctuary region: Oceanographic, biogeographic, and contaminants assessment

This ecological characterization represents the continuation of an ongoing partnership between the National Marine Sanctuary Program (NMSP) and the National Centers for Coastal Ocean Science (NCCOS), Center for Coastal Monitoring and Assessment (CCMA). The purpose of this collaboration is to ...

An ecosystem services assessment using bioextraction technologies for removal of nitrogen and other substances in Long Island Sound and the Great Bay/Piscataqua Region Estuaries

A State-Environmental Protection Agency (EPA) Nutrient Innovations Task Group concluded in a 2009 report (State -- EPA Nutrient Innovations Task Group, 2009) that 'continuing the status quo at the national, state, and local levels and relying upon our current practices ...

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 ...

Bloom dynamics of the red tide dinoflagellate Alexandrium fundyense in the Gulf of Maine: a synthesis and progress towards a forecasting capability

Paralytic shellfish poisoning (PSP) is a recurrent and widespread problem in the Gulf of Maine (GOM) caused by the dinoflagellate Alexandrium fundyense. Blooms of this species have been the subject of more than a decade of investigation through the ECOHAB-GOM ...

Cruise Report: Spring 2006 Survey of Ecological Conditions of the U.S. Middle Atlantic Bight, NOAA Ship Nancy Foster NF-06-06-NCCOS

This cruise report is a summary of a field survey conducted in coastal-ocean waters of the Mid-Atlantic Bight from Nags Head, North Carolina to Cape Cod, Massachusetts and from approximately 1 nautical mile (nm) of shore seaward to the shelf ...

Cruise report: Spring 2007 survey of ecological conditions along the continental shelf off Florida from Anclote Key to West Palm Beach, NOAA ship Nancy Foster Cruise NF-07-08-NCCOS (May 15 - May 28, 2007)

This cruise report is a summary of a field survey conducted in coastal-ocean waters off Florida from Anclote Key to West Palm Beach and from approximately 1 nautical mile (nm) offshore seaward to the shelf break (100 m). The survey ...

Detecting copepod grazing on low-concentration populations of Alexandrium fundyense using PCR

Zooplankton grazing is often a significant loss term for phytoplankton populations, including harmful algae, impacting the development and decline of blooms. However, detecting and quantifying predation on phytoplankton is often challenging, particularly during early bloom stages when phytoplankton cell concentrations ...

Diversity and dynamics of a widespread bloom of the toxic dinoflagellate Alexandrium fundyense

Historically, cosmopolitan phytoplankton species were presumed to represent largely unstructured populations. However, the recent development of molecular tools to examine genetic diversity have revealed differences in phytoplankton taxa across geographic scales and provided insight into the physiology and ecology of ...

NOAA Internship Opportunities

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