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Projects

Aquaculture and Eutrophication in Long Island Soun...

Eutrophication is the overabundance of nutrients in a body of water that results in harmful algal blooms, fish kills, and in some cases ecosystem collapse. We are investigating the feasibility ...
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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 ...
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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 ...
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EcoGIS: Tools for Ecosystem-based Fisheries Manage...

The EcoGIS project was launched to determine how geographic information systems (GIS) technology, marine data, and custom analysis tools could be leveraged to promote fishery management strategies based on the ...
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ECOHAB: GOMTOX: Dynamics of Alexandrium fundyense ...

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 closed to protect public health ...
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Ecological Characterization of Stellwagen Bank Nat...

We provided an ecological and oceanographic profile of the Stellwagen Bank National Marine Sanctuary and Gulf of Maine region, including analysis of pollution levels. The project was designed to help ...
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Economic Analysis of Shoreline Infrastructure for ...

Summary: Coastal communities are experiencing an increase in flood hazard risk due to a variety of factors including erosion and sea level rise. In order to reduce this risk, coastal ...
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News

Gulf of Maine Red Tide Monitoring Provides Real-ti...

Figure 1: Depiction of Environmental Sample Processor (ESP) and buoy configured for deployment in the Gulf of Maine. Credit: WHOI From late April to early July 2016, the National Centers ...
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NOAA Conducts Seafloor Mapping and Exploration off...

Area mapped in Channel Islands National Marine Sanctuary by NOAA ship Bell M Shimada in 2017 (SH-17-05). Grey areas are mapped, light blue areas are not. Credit: NOAA Fisheries and ...
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NCCOS Helps New England Respond to Unprecedented H...

For the first time in New England's coastal waters, shellfish have exceeded the regulatory limit for domoic acid - a potent neurotoxin produced by the diatom Pseudo-nitzschia. Domoic acid accumulates ...
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New Benthic Habitat Mapping Technologies Evaluated

NCCOS scientists recently evaluated new, benthic habitat mapping technologies and methods during a five-day mission at Flat Cay in St. Thomas, USVI. Benthic habitats in the Caribbean - including, coral ...
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Models Highlight Benefits of Aquaculture in Long I...

Shellfish bioextraction has the potential to improve water quality and boost the economy NOAA scientists are studying the effectiveness of shellfish aquaculture for nutrient removal around the Long Island Sound ...
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Gulf of Maine Red Tide Monitoring Season Begins fo...

Harmful algal bloom monitoring is underway in the Gulf of Maine, with near real-time early warning of potential toxic blooms being provided by three Environmental Sample Processors (ESPs). The ESPs ...
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NCCOS Prepares Toxin Sensor for Gulf of Maine Red ...

An NCCOS technical expert completed critical calibrations of the paralytic shellfish poisoning (PSP) toxin sensor for an Environmental Sample Processor (ESP) platform stationed at the Woods Hole Oceanographic Institution's Laboratory ...
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NOAA Shepherds Transition of Gulf of Maine Harmful...

NOAA and partners are working to transition a harmful algal bloom (HAB) model forAlexandrium fundyensein the Gulf of Maine (GoM) into a NOAA operational forecast system (OFS), which would help ...
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Gulf of Maine Red Tide Forecast Suggests Modest Bl...

A team of NOAA and academic researchers led by the Woods Hole Oceanographic Institution (WHOI) has issued a seasonal red tide forecast for the Gulf of Maine as part of ...
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Using Shellfish Aquaculture to Improve Water Quali...

On Nov. 18, staff from NOAA's National Centers for Coastal Ocean Science and Northeast Fisheries Laboratory met with outside partners to continue investigating the potential importance of shellfish aquaculture in ...
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Products

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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 ...
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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 ...
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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 ...
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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 ...
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Biological, chemical, and physical data from the Phytoplankton Monitoring Network from 13 Sep 2001 to 7 Mar 2013 (NODC Accession 0117942)

The Phytoplankton Monitoring Network (PMN) is a part of the National Centers for Coastal Ocean Science (NCCOS). The PMN was created as an outreach program to connect volunteers and professional scientists in the monitoring of marine phytoplankton and harmful algal ...
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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 ...
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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 ...
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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 ...
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Does the fall phytoplankton bloom control recruitment of Georges Bank haddock, Melanogrammus aeglefinus, through parental condition?

In 2003, the Georges Bank stock of haddock (Melanogrammus aeglefinus) experienced the largest recruitment event recorded during its assessed history. Several hypotheses have been advanced to explain recruitment variability in this much-scrutinized stock, including variability in the retention of eggs ...
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Drifter Observations of the Gulf of Maine Coastal Current

Two-hundred and twenty seven satellite-tracked drifters were deployed in the Gulf of Maine (GoM) from 1988 to 2007, primarily during spring and summer. The archive of tracks includes over 100,000 km logged thus far. Statistics such as transit times, mean ...
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NCCOS delivers ecosystem science solutions for stewardship of the nation’s ocean and coastal resources, in direct support of NOS priorities, offices, and customers, and to sustain thriving coastal communities and economies.

National Centers for Coastal Ocean Science
1305 East West Highway, Rm 8110
Silver Spring, MD 20910
Phone: (240) 533-0300 / Fax: (301) 713-4353
Email: nccos.webcontent@noaa.gov

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