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NOAA Harmful Algae Research Featured at Interstate Seafood Seminar

NCCOS’s Dr. Quay Dortch was a featured speaker at the 66th Interstate Seafood Seminar conference during a session devoted to harmful algal blooms (HABs) and their impacts on shellfish safety and shellfish production. Dortch discussed NOAA’s HAB programs and how they enhance state rapid response and build a national capacity to minimize HAB impacts. She also […]

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Glider Implementation Plan Provides Blueprint for Improved Monitoring of Gulf of Mexico Dead Zone

The Glider Implementation Plan for Hypoxia Monitoring in the Gulf of Mexico is now available to guide the use of autonomous underwater vehicles for enhanced monitoring of seasonal hypoxia in the northern Gulf of Mexico. The need for improved monitoring of the hypoxic zone (dead zone) has been repeatedly emphasized by the Interagency Gulf Hypoxia Task […]

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Origins of Harmful Alga Scourge in Pacific Northwest Confirmed

Researchers have identified the oceanographic causes and routes for the harmful alga Pseudo-nitzschia in offshore waters of the Pacific Northwest. The team’s validated model shows that toxic Pseudo-nitzschia cells arrive at the coast, not from a single source (as previously thought), but from two sources, one north and one south of Washington’s beaches. The northern source […]

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Forensic Genomics Used to Identify Causes of Ocean Mass Mortality Events

Fish and invertebrate mass mortality events are increasing in coastal zones worldwide, but in many cases it can be difficult to pinpoint the cause of death. Toxic spills, hypoxia (low dissolved oxygen), disease outbreaks, and toxin-producing harmful algal blooms possibly cause these events, but it is critical from a management and response perspective to accurately […]

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Gulf of Maine Red Tide Forecast Suggests Modest Bloom: Robotic Sensors Deployed to Confirm and Improve Future Predictions

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 a pilot program that expands NOAA harmful algal bloom (HAB) forecasting to this region. The forecast suggests a modest bloom for the upcoming 2014 season. […]

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Algal Community Study Advances Ciguatera Management in Pacific Islands Region

Populations of Gambierdiscus, the algae most often associated with ciguatera fish poisoning, have been found to have only low or moderate toxicity on the western coast of Marakei Island in the Republic of Kiribati—a section of the island considered a high-risk area for ciguatera for decades. This unexpected finding is part of a recent NCCOS-funded […]

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Underwater Robots Detect Toxic Algae off Southern California

Two autonomous underwater robots deployed in San Pedro Bay off southern California have detected the diatom Pseudo-nitzschia and its potent neurotoxin domoic acid. This may signal the initiation of a harmful algal bloom along the coast that could impact a variety of wildlife and fishery resources. The robots, known as Environmental Sample Processors, are essentially underwater, molecular […]

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Sentinel Site Alerts California Public to Toxic Shellfish

Routine sampling of marine mussels from a University of California sentinel site at the Santa Cruz Wharf prompted the California Department of Public Health (CDPH) to issue a health advisory warning for domoic acid poisoning due to high levels of the toxin in shellfish samples. The April 4, 2014 advisory warned consumers not to eat recreationally […]

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