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News

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 ...

NOAA Funds Harmful Algal Bloom Forecast System Dev...

Razor clams are an economically important shellfish harvest off the coasts of Oregon and Washington. Closures due to Pseudo-nitzschia exposure in 2015 led to $22.7 million in losses. Credit: Washington ...

NOAA Provides Harmful Algae Identification Trainin...

Effective monitoring and management of harmful algal blooms (HABs) relies on accurate and timely identification of the species involved. Phytoplankton responsible for HABs varies dramatically in size, shape, pigmentation, toxins, ...

Outlook for Impact of HABs on 2016 Crab Season in ...

On August 11, 2016 Dr. Raphael Kudela, with theUniversity of California Santa Cruz, testified on 'Harmful Algal Blooms and Domoic Acid: Latest Forecast and a Look Ahead to the Upcoming ...

NCCOS Supported HAB Sensors Highlighted at NOAA Em...

NCCOS efforts to provide early warnings as well as effective monitoring and forecasting of harmful algal blooms through the use of the ImagingFlow Cytobot (microscope-in-a-can) and the Environmental Sample Processor ...

NOAA Explores Habitats Around WWII Wrecks

Triton submersibles will serve as the primary means of collecting data from the wreck. Credit:Project Baseline/ Brownies Global Logistics. Seventy-four years ago, America was in the midst of World War ...

Producing a new Reference Material for Paralytic S...

Saxitoxins, produced by species of harmful algal blooms (HABs), cause paralytic shellfish poisoning (PSP) when contaminatedseafood is consumed. For nearly 50 years the U. S. Food and Drug Administration (FDA) ...

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 ...

Gulf of Maine Red Tide Forecast Predicts Small Blo...

This summer the Gulf of Maine red tide is predicted to be the smallest observed over the last eleven years, as forecast by researchers at Woods Hole Oceanographic Institution (WHOI) ...

2015 Harmful Algae Cyst Cruise: Student Blog

By Eric Gulledge, Ph.D. candidate at Jackson State University A sunset view from the upper deck of the NOAA ship Bigelow in the Gulf of Maine. Credit: NOAA I am ...

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Data & Publications

Skill Assessment for Coupled Biological/Physical Models of Marine Systems

Coupled biological/physical models of marine systems serve many purposes including the synthesis of information, hypothesis generation, and as a tool for numerical experimentation. However, marine system models are increasingly used for prediction to support high-stakes decision-making. In such applications it ...

Suppression of the 2010 Alexandrium fundyense bloom by changes in physical, biological, and chemical properties of the Gulf of Maine

For the period 2005–2009, the abundance of resting cysts in bottom sediments from the preceding autumn was a first-order predictor of the overall severity of spring–summer blooms of Alexandrium fundyense in the western Gulf of Maine and southern New England ...

The globally distributed genus Alexandrium: Multifaceted roles in marine ecosystems and impacts on human health

The dinoflagellate genus Alexandrium is one of the major harmful algal bloom (HAB) genera with respect to the diversity, magnitude and consequences of blooms. The ability of Alexandrium to colonize multiple habitats and to persist over large regions through time ...

The influence of anthropogenic nitrogen loading and meteorological conditions on the dynamics and toxicity of Alexandrium fundyense blooms in a New York (USA) estuary

The goal of this two-year study was to explore the role of nutrients and climatic conditions in promoting reoccurring Alexandrium fundyense blooms in the Northport-Huntington Bay complex, NY, USA. A bloom in 2007 was short and small (3 weeks, 103 ...

Zooplankton community grazing impact on a bloom of Alexandrium fundyense in the Gulf of Maine

Shipboard grazing experiments were conducted in the Gulf of Maine and on Georges Bank during of June 2006 to estimate zooplankton community grazing impact on a natural bloom of the toxic dinoflagellate Alexandrium fundyense. Surface seawater samples containing natural populations ...

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