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Stakeholders Meet to Develop Harmful Algal Bloom Action Plan for Alaska

Alaska Sea Grant and the Alaska Ocean Observing System recently cosponsored a two-day workshop to develop an action plan for harmful algal bloom (HAB) monitoring, event response, outreach, and research in Alaska. NCCOS staff opened the workshop by providing a national perspective on HABs that set the stage for discussions of existing activities and identified […]

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First Compendium on Deep-water Algae of Puerto Rico Published

A new taxonomic publication describes the relatively unknown algal flora of mesophotic coral ecosystems in Puerto Rico. These ecosystems are characterized by the presence of light-dependent corals and associated communities found at depths ranging from 100 to 500 feet deep. The work, published in a recent issue of Smithsonian Contributions to Botany, was supported partly by the […]

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Ten NCCOS Employees Recognized for Outstanding Work in 2016

NCCOS is honored to have ten of its employees recognized by the NOAA National Ocean Service (NOS). The awards recognize outstanding contributions in support of the NOS mission in 2016. The 2016 National Ocean Service Awards to NCCOS Employee of the Year This award recognizes significant contributions to NOS programs and demonstrated exceptional and sustained […]

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Harmful Algal Cyst Sampling Lays Groundwork for 2017 Gulf of Maine Forecast

Scientists from NOAA and Woods Hole Oceanographic Institution (WHOI) recently completed their annual harmful algal cyst sampling in the Gulf of Maine, a critical step for forecasting next year’s harmful algal blooms (HABs) of the toxic Alexandrium fundyense, commonly known as New England red tide. A. fundyense has both a vegetative stage, where cells grow and float in surface […]

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Predicting the Risks of Harmful Algal Blooms for Coastal California

In California, domoic acid-producing harmful algal blooms (HABs) of the diatom Pseudo-nitzschia increasingly threaten bivalve and crab harvesters, aquaculture, and coastal ecosystems. Using a blend of models and satellite ocean color imagery, NCCOS supported the early development of the California Harmful Algae Risk Mapping (C-HARM) system that predicted the spatial likelihood of Pseudo-nitzchia blooms and levels of […]

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Tiny yet Toxic: Dinoflagellate Karlodinium veneficum

Relatively unknown and taxonomically confusing until the last few decades, the tiny but toxic dinoflagellate, Karlodinium veneficum, can produce dense blooms and fish-killing toxins. K. veneficum is a small chlorophyll-containing dinoflagellate that produces a suite of potent toxic compounds known as karlotoxins which kill fish as well as other organisms. K. veneficum has a mixed nutritional mode […]

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Mesophotic Bicolor Damselfish Help Keep Shallower Reef Populations Afloat

NOAA-supported researchers studying the potential coral ecosystem connectivity of the deep (192-256 ft/60-80 m), mesophotic reefs of Pulley Ridge and the shallower reefs downstream in the Florida Keys found that bicolor damselfish populations on shallower reefs may owe some of their sustainability to mesophotic reefs. In comparison to shallower reefs, the bicolor damselfish populations on mesophotic […]

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Shellfish Larvae Struggle in Fluctuating Oxygen and Acidity in Estuaries

A study supported by NCCOS and the NOAA Ocean Acidification Program found that interacting effects of acidified and low oxygen (hypoxic) waters reduced the survival, growth, and development of larval stages of three important shellfish species: bay scallops, hard clams and eastern oysters. Shellfish larvae were exposed to ideal, acidified and low oxygen conditions both individually and in […]

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