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A Geospatial Assessment of U.S. Atlantic and Gulf ...

Offshore sand resources, e.g., sand shoals, are increasingly being used for beach renourishment, barrier island restoration, and other uses to enhance resiliency of shorelines. However, the impact of sand dredging ...
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A Management Tool to Reduce Sea Turtle Bycatch in ...

Along with our partners, we developed a geographic information system (GIS) tool to help coastal managers work toward reducing the bycatch of sea turtles in U.S. fisheries in the Atlantic ...
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Applied Ecophysiology of Marine Aquaculture Specie...

Forecasting environmental interactions of marine aquaculture activities requires an in-depth understanding of the environment and the species farmed. We are investigating two promising candidates for marine aquaculture: red porgy and ...
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Coastal Aquaculture Siting and Sustainability, Marine Spatial Ecology, Stressor Impacts and Mitigation, Alabama, Florida, Georgia, Louisiana, Mississippi, Texas, U.S. States and Territories, james.morris@noaa.gov

Bioeffects Program Reports: Gulf of Mexico and Pue...

The Bioeffects program is a nationwide program of environmental assessment designed to describe the current status of environmental quality in our nation's estuarine and coastal areas. Field studies examine the ...
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Biological Effects of Contaminants and Nutrients, Stressor Impacts and Mitigation, Alabama, Florida, Louisiana, Mississippi, Puerto Rico, Texas, U.S. States and Territories, ian.hartwell@noaa.gov

Causes and Consequences of Cell Death in the Toxic...

Numerous studies have increased understanding of processes that lead to algal bloom initiation, growth, and transport but little is known about the causes of bloom decline and termination. Preliminary results ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Atlantic Ocean, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, quay.dortch@noaa.gov

Characterization of Toxin Synthesis Pathways in To...

During the past 25 years, the abundance, range, and variety of harmful algal blooms (HABs) and their toxins have been increasing, impacting human and marine animal health through consumption of ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Alabama, Florida, Gulf of Mexico, Louisiana, Mississippi, Texas, U.S. States and Territories, Waterbodies, Tod.Leighfield@noaa.gov

Characterizing Fish and Invertebrates of the Shall...

We characterized the coral and fish communities on the sanctuary’s shallow reefs based on data collected in 2006 and 2007. We focused on two management goals: 1) to develop a ...
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Coral, Ecological and Biogeographic Assessments, Marine Spatial Ecology, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, randy.clark@noaa.gov

Coastal Ecological Assessments and Indicator Devel...

We work in partnership with other federal agencies and coastal states to conduct assessments of ecological condition and potential stressor impacts throughout our nation’s estuaries, coastal-ocean waters, and NOAA protected ...
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Coastal Ecosystem Susceptibility to Nutrient Pollu...

We studied the estuaries of the U.S. East Coast and Gulf of Mexico to determine which coastal areas are most vulnerable to changes in nutrient input. We modeled the environmental ...
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Biological Effects of Contaminants and Nutrients, CHRP, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, alan.lewitus@noaa.gov

Cross-Regional Comparison of Dinophysis Bloom Dyna...

Harmful algal blooms of Dinophysis have recently emerged as a human health threat in the U.S., resulting in closures of shellfish harvesting to prevent Diarrhetic Shellfish Poisoning. We are working ...
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Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Chesapeake Bay, Gulf of Mexico, Long Island Sound, New York, Puget Sound, Texas, U.S. States and Territories, Virginia, Washington, Waterbodies, quay.dortch@noaa.gov

News

Bacterial Removal of Nitrogen, Methane from Gulf D...

NCCOS-supported researchers have determined the natural removal rates of nitrogen and the potent greenhouse gas methane from Louisiana's coastal waters. The study investigated patterns of pelagic denitrification (bacterial conversion of ...
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June 28, 2021 Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, david.scheurer@noaa.gov, marykate.rogener@noaa.gov

New Story Map Highlights NCCOS Sustainable Oyster ...

Oyster farmer Al Smeilus provides information on oyster planting to researcher Dr. Beth Darrow and students Jessica Kinsella and Jessica Carlton on his farm in Masonboro Island NERR North Carolina ...
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April 9, 2021 Coastal Aquaculture Siting and Sustainability, Marine Spatial Ecology, Atlantic Ocean, Connecticut, Gulf of Mexico, North Carolina, Texas, U.S. States and Territories, Waterbodies, suzanne.bricker@noaa.gov

Toxic Alga Dinophysis an Emerging Threat to Human ...

Mesodinium rubrum (left cell) captured by Dinophysis cf. ovum. Modified from Mafra Jr. et al. 2016. The toxic dinoflagellate alga Dinophysis threatens human health and coastal economies through the production ...
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February 22, 2021 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Alabama, Florida, Gulf of Mexico, Louisiana, Mississippi, Texas, U.S. States and Territories, Waterbodies, maggie.broadwater@noaa.gov

Third Advisory Panel Workshop on Hypoxia Effects o...

The third Advisory Panel Workshop on Hypoxia Effects of Fish and Fisheries was held virtually on December 14, 2020 as part of an NCCOS NGOMEX project led by Dr. Kim ...
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January 22, 2021 Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, david.hilmer@noaa.gov

Combining Geostatistical and Mechanistic Models Im...

NCCOS-sponsored scientists combined two traditional, but often separate, modeling approaches to better characterize, track, and predict coastal hypoxia in the northern Gulf of Mexico. Their study found that “fused” geostatistical ...
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January 11, 2021 Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Louisiana, Texas, U.S. States and Territories, david.hilmer@noaa.gov

NCCOS Supports Expansion of Red Tide Respiratory F...

This photo, taken while conducting aerial surveys for manatee conservation studies, clearly shows red tide off Florida’s Southwest coastline during the 2017–2019 bloom. Credit: Mote Marine Laboratory’s Manatee Research Program ...
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December 15, 2020 Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Florida, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, richard.stumpf@noaa.gov

New Report Evaluates Health of U.S. Coral Reefs

Cover page of Coral Reef Condition: A Status Report for U.S. Coral Reefs. Credit NOAA. NCCOS scientists contributed to the newly released national status report on U.S. coral reefs. Drawing ...
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November 30, 2020 Coral, Marine Spatial Ecology, Protected Species, American Samoa, Atlantic Ocean, Caribbean Sea, Florida, Guam, Gulf of Mexico, Hawaii, Pacific Ocean, Texas, U.S. States and Territories, U.S. Virgin Islands, Waterbodies, shay.viehman@noaa.gov

NCCOS, Partners Release New Gulf Coast Monitoring ...

NCCOS, USGS, and NOAA Fisheries developed a new web-accessible database of water quality and habitat monitoring and mapping programs in the Gulf of Mexico. The database, called the Gulf Coast ...
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November 18, 2020 Habitat Mapping, Marine Spatial Ecology, Alabama, Atlantic Ocean, Florida, Gulf of Mexico, Louisiana, Mississippi, Texas, U.S. States and Territories, Waterbodies, randy.clark@noaa.gov

Hurricane Harvey Water Quality Effects Documented ...

NOAA NWS radar mosaic of Hurricane Harvey on 25 August 2017, DBZ = radar reflectivity factor of precipitation). Credit: NOAA NWS. An NCCOS-supported study analyzed the short- and long-term water ...
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November 17, 2020 Coastal Change, Ocean Acidification, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Water Quality, Atlantic Ocean, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, david.kidwell@noaa.gov

Smaller than Average Summer ‘Dead Zone’ Measured ...

NCCOS-supported scientists have determined that this year’s Gulf of Mexico “dead zone”—an area of low oxygen that can kill fish and marine life—is approximately 2,116 square miles, equivalent to 1.4 ...
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August 4, 2020 HABHRCA, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, david.scheurer@noaa.gov

Products

Maps, Tools & Applications

Phytoplankton Monitoring Network

NCCOS runs the Phytoplankton Monitoring Network (PMN) to link volunteers who monitor for marine phytoplankton and HABs in cooperation with professional scientists. We build a more informed public while expanding the reach and resolution of HAB monitoring. Over 200 PMN volunteers sample 140+ sites in 17 states and the US Virgin Islands.
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Data & Publications

A coupled physical-biological model of the Northern Gulf of Mexico shelf: model description, validation and analysis of phytoplankton variability

The Texas-Louisiana shelf in the Northern Gulf of Mexico receives large inputs of nutrients and freshwater from the Mississippi/Atchafalaya River system. The nutrients stimulate high rates of primary production in the river plume, which contributes to the development of a ...
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A high-resolution pre-operational forecast model of circulation on the Texas-Louisiana continental shelf and slope

A new pre-operational model of circulation over the Texas-Louisiana continental shelf and slope, based on the Regional Ocean Modelling System (ROMS) is presented. The model is designed with a number of practical applications in mind: to predict oil spill trajectories, ...
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A modeling study of physical controls on hypoxia generation in the northern Gulf of Mexico

The Louisiana shelf (LA shelf) in the northern Gulf of Mexico experiences hypoxic conditions every summer due to the combination of eutrophication and strong water column stratification. Here we use a three-dimensional circulation model coupled with a simple oxygen model ...
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Assessment of hypoxia-inducible factor-1α mRNA expression in mantis shrimp as a biomarker of environmental hypoxia exposure

Efforts to assess the ecological impacts of the marked increase in coastal hypoxia worldwide have been hampered by a lack of biomarkers of hypoxia exposure in marine benthic organisms. Here, we show that hypoxia-inducible factor-1α (HIF-1α) transcript levels in the ...
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Biological, chemical, and physical data from the Phytoplankton Monitoring Network from 13 Sep 2001 to 7 Mar 2013 (NODC Accession 0117942)

The Phytoplankton Monitoring Network (PMN) is a part of the National Centers for Coastal Ocean Science (NCCOS). The PMN was created as an outreach program to connect volunteers and professional scientists in the monitoring of marine phytoplankton and harmful algal ...
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Characterization of three IGFBPs in Atlantic croaker and their regulation during hypoxic stress: potential mechanisms of their upregulation by hypoxia

Insulin-like growth factor-binding proteins (IGFBPs) play important roles in downregulating IGF activity and growth and development in vertebrates under hypoxic stress. However, the mechanisms of hypoxia regulation of IGFBPs in teleost fishes are unknown. The involvement of reactive oxygen species ...
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Council Monitoring and Assessment Program (CMAP) Compilation of Existing Habitat and Water Quality Monitoring, and Mapping Assessments for the Gulf of Mexico Region

The Resources and Ecosystems Sustainability, Tourist Opportunities, and Revived Economies of the Gulf Coast States Act (RESTORE Act) was signed into law on July 6, 2012. The RESTORE Act calls for a regional approach to restoring the long-term health of ...
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Council Monitoring and Assessment Program (CMAP): Inventory of Existing Habitat and Water Quality Monitoring, and Mapping Metadata for the Gulf of Mexico Programs

Under the Resources and Ecosystem Sustainability, Tourist Opportunities, and Revived Economies of the Gulf Coast States Act of 2012 (RESTORE Act), the Gulf Coast Ecosystem Restoration Council (RESTORE Council or Council ) is required to report on the progress of ...
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Cruise Report: Spring 2006 Survey of Ecological Conditions of the U.S. Middle Atlantic Bight, NOAA Ship Nancy Foster NF-06-06-NCCOS

This cruise report is a summary of a field survey conducted in coastal-ocean waters of the Mid-Atlantic Bight from Nags Head, North Carolina to Cape Cod, Massachusetts and from approximately 1 nautical mile (nm) of shore seaward to the shelf ...
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Cruise report: Spring 2007 survey of ecological conditions along the continental shelf off Florida from Anclote Key to West Palm Beach, NOAA ship Nancy Foster Cruise NF-07-08-NCCOS (May 15 – May 28, 2007)

This cruise report is a summary of a field survey conducted in coastal-ocean waters off Florida from Anclote Key to West Palm Beach and from approximately 1 nautical mile (nm) offshore seaward to the shelf break (100 m). The survey ...
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