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Common Brevetoxin Metabolite Found in Gulf of Mexico Oysters May Not be a Health Risk

Brevetoxin B2—an abundant shellfish metabolite of brevetoxin found in Gulf of Mexico oysters—does not readily pass through an intestinal barrier, rendering it unlikely to cause neurotoxic shellfish poisoning. The B2 metabolite is produced by oysters and many other animals by attaching the amino acid cysteine to the brevetoxin that is consumed by shellfish during blooms […]

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Sea Level Rise Research Supports Gulf of Mexico Sentinel Site Cooperative

An NCCOS-funded study is investigating the ecological effects of sea level rise in the Gulf of Mexico. The effort is the focal point of the Northern Gulf of Mexico Sentinel Site Cooperative, a federal–state partnership established to advance sea level rise prediction and assessment capabilities. The cooperative seeks to improve coastal data and research products […]

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Decaying Harmful Algal Blooms Still Dangerous: New Model Predicts Toxicity to Humans

Declining (terminating) harmful algal blooms continue to pose health hazards. When some harmful algal blooms die and disappear, their toxicity continues to affect the air above the bloom-infested waters. Some dinoflagellates produce toxins—such as the brevetoxins from the Florida red tide (Karenia brevis)—that are readily aerosolized when nearshore blooms die and release their toxins into […]

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NCCOS Research in Today’s Rapidly Changing Global Environment

Two national science conferences recently highlighted NCCOS research: The theme at the 7th Symposium on Harmful Algae in the United States (Oct. 27–31, 2013; Sarasota, FL) was harmful algal blooms (HABs) in a changing world, especially a more acidic one. NCCOS HAB scientists and sponsored researchers  organized, advised,  chaired sessions, and presented some 13 oral […]

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Integrating Processes Controlling the South Florida Coastal Marine Ecosystem

NCCOS is developing a workable, ecosystem-based management approach to address the complex and inter-linked marine-estuarine-terrestrial environment in south Florida. Building on traditional Integrated Conceptual Ecosystem Models, the NCCOS-sponsored research project Marine and Estuarine Goal Setting for South Florida (MARES) is developing new models that incorporate positive ecosystem services instead of only negative ecosystem impacts (i.e., […]

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NCCOS Responds to Harmful Algal Bloom Event Threatening Florida’s Indian River Lagoon

The NCCOS Harmful Algal Bloom Event Response Program approved a request supporting rapid response to a harmful algal bloom (HAB) in the Indian River Lagoon system of East Central Florida. Dr. Chris Gobler from Stonybrook University will work with the St. Johns River Water Management District to map the extent of the 2013 Brown Tide […]

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NCCOS-funded Research Cruise Investigates Coral and Fish Connectivity in the Gulf of Mexico

On August 13, 2013, NCCOS and partners will set off on a two-week research expedition off the coast of southwest Florida to investigate the role of mesophotic (mid-depth) coral ecosystems of Pulley Ridge in replenishing key fish and other coral ecosystem species found in Florida Keys and Dry Tortugas reefs. This 5-year study, led by University of […]

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Blood Monitoring Supports Response and Rehabilitation of Algae-poisoned Sea Turtles

Sea turtles in the Gulf of Mexico are long-lived animals that are valuable indicator species of environmental health. They are subject to multiple hazards, such as pollutants and natural toxins, including the algae-produced brevetoxin. NCCOS scientists who pioneered the use of blood collection cards are working in cooperation with wildlife managers in Florida to measure […]

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