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News

Four Different Algal Toxins Found in San Francisco...

Scientists have identified four kinds of algal toxins in mussels collected from San Francisco Bay. The study, published in Harmful Algae, is the first to report the co-occurrence of both freshwater and marine ...

Shoreline Hardening and Development Hurts Shorebir...

A new NCCOS-sponsored study shows that using artificial structures to protect coastal land and property from the sea can harm water birds. The research, conducted in Chesapeake Bay and published ...

Acoustic Monitoring Reveals Hurricane Maria's Impa...

Students from the University of Puerto Rico service one of the project's acoustic recording devices, known as a hydrophone. Credit: Rebecca Becicka, University of Puerto Rico. Passive listening devices placed ...

NCCOS Helps Bridge Divide Between Science and Mana...

A shoreline hardened with riprap (rubble). Credit: Smithsonian Environmental Research Center. Scientists want their research to be helpful to managers and policymakers. However, this wish does not always translate to ...

NOAA Publishes Findings from Socioeconomic Monitor...

A blunt slipper lobster (Scyllarides squammosus) patrols a busy reef of massive Porites and encrusting Monitpora corals off the coast of Molokai in the main Hawaiian Islands. Credit: Ray Boland, ...

NCCOS Research Highlighted at Ocean Sciences Meeti...

NCCOS research featured prominently at last month's Ocean Sciences Meeting in Portland, Oregon. The biennial conference promotes scientific exchanges across a broad spectrum of marine science disciplines, as well as ...

NCCOS Joins NOAA Tribal Roundtable for Shinnecock ...

The Great Seal of the Shinnecock Indian Nation. (Credit Shinnecock Indian Nation) NCCOS and NOAA’s North Atlantic Regional Collaboration Team (NART) relayed the relevance of the agency’s work and mission ...

NCCOS and Alaska Partners Provide Harmful Algal Bl...

The newly established Alaska Harmful Algal Bloom Network (AHAB) provides statewide awareness of harmful algal blooms. Alaska shellfish are an important component of the economy, providing food and income to Alaskans ...

Report Documents State of Deep-sea Coral and Spong...

Red tree coral with a school of juvenile Pacific cod. Credit: NOAA A new NOAA report, State of Deep-Sea Coral and Sponge Ecosystems of the United States, explains advances in deep-sea coral ...

Modeling Coastal Hypoxia: NCCOS Sponsored Research...

A new book highlights NCCOS sponsored hypoxia modeling. It contains original research on numerical simulations of the patterns, controls, and effects of dissolved oxygen dynamics. The book, Modeling Coastal Hypoxia, ...

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Data & Publications

Two new karlotoxins found in Karlodinium veneficum (strain GM2) from the East China Sea

The dinoflagellate Karlodinium veneficum is a harmful algal bloom species with a worldwide distribution. This small athecate dinoflagellate makes a family of polyketide toxins that are hemolytic, cytotoxic and ichthyotoxic. The first chemical structure for karlotoxins from East China Sea ...

U.S. Shrimp Market Integration

Recent supply shocks in the Gulf of Mexico—including hurricanes, the Deepwater Horizon oil spill, and the seasonal appearance of a large dead zone of low oxygen water (hypoxia)—have raised concerns about the economic viability of the U.S. shrimp fishery. The ...

Upregulation of hypoxia-inducible factor (HIF)-1α and HIF-2α mRNA levels in dragonet Callionymus valenciennei exposed to environmental hypoxia in Tokyo Bay

There is an urgent need to develop reliable biomarkers of environmental hypoxia exposure in marine organisms in order to assess the ecological impacts of the marked increase in coastal hypoxia worldwide. Full-length hypoxia-inducible factor HIF-1α and HIF-2α cDNAs were cloned ...

Urease Gene Sequences from Algae and Hetertrophic Bacteria in Axenic and Nonaxenic Phytoplankton Cultures

While urea has long been recognized as an important form of nitrogen in planktonic ecosystems, very little is known about how many or which phytoplankton and bacteria can use urea as a nitrogen source. We developed a method, targeting the ...

Using Acoustic Telemetry to Understand Connectivity of Gray’s Reef National Sanctuary to the U.S. Atlantic Coastal Ocean

This study analyzed nearly ten years of acoustic telemetry monitoring at Gray’s Reef National Marine Sanctuary, to understand its role in fish movements along the U.S. Atlantic coast. Designated in 1981, Gray’s Reef lies 17 miles off the coast of ...

Using bathymetric lidar to define nearshore benthic habitat complexity: Implications for management of reef fish assemblages in Hawaii

Habitat complexity plays a major role in determining the distribution and structure of fish assemblages in the aquatic environment. These locations are critical for ecosystem function and have significant implications for conservation and management. In this study, we evaluated the ...

Using Multiple Watershed Models to Predict Water, Nitrogen, and Phosphorus Discharges to the Patuxent Estuary

We analyzed an ensemble of watershed models that predict flow, nitrogen, and phosphorus discharges. The models differed in scope and complexity and used different input data, but all had been applied to evaluate human impacts on discharges to the Patuxent ...

Using wildlife activity and antibiotic resistance analysis to model bacterial water quality in coastal ponds

Models that help predict fecal coliform bacteria (FCB) levels in environmental waters can be important tools for resource managers. In this study, we used animal activity along with antibiotic resistance analysis (ARA), land cover, and other variables to build models ...

USVI Insular Shelf Accuracy Assessment Mission for Benthic Habitat Mapping Trip Report

NCCOS scientists conducted an independent assessment within the US Virgin Islands from January 30 to February 13, 2017 to evaluate the thematic accuracy of a draft benthic habitat map of the South Eastern Puerto Rican Shelf. Sites in the area ...

USVI Insular Shelf Ground Validation Mission for Benthic Habitat Mapping Trip Report

NCCOS scientists conducted field operations from August 20 to September 2, 2016 in areas between 30?100 m in depth on the South Eastern Puerto Rican Shelf. The South Eastern Puerto Rican Shelf stretches off the East Coast of Vieques, PR ...

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