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Projects

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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Ecological and Biogeographic Assessments, Habitat Mapping, Marine Spatial Ecology, Atlantic Ocean, Connecticut, Delaware, District of Columbia, Florida, Georgia, Gulf of Mexico, Maine, Maryland, Massachusetts, Mississippi, New York, North Carolina, South Carolina, Texas, Virginia

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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Habitat Mapping, Marine Spatial Ecology, Protected Species, Alabama, Atlantic Ocean, Connecticut, Delaware, Florida, Georgia, Louisiana, Maine, Maryland, Massachusetts, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Rhode Island, South Carolina, Texas, U.S. States and Territories, Virginia, Waterbodies, john.christensen@noaa.gov, ken.buja@noaa.gov

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

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, fran.vandolah@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 Change, Marine Spatial Ecology, Alabama, Alaska, Atlantic Ocean, California, Chesapeake Bay, Connecticut, Delaware, District of Columbia, Florida, Georgia, Great Lakes, Gulf of Mexico, Hawaii, Illinois, Indiana, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, South Carolina, Texas, U.S. States and Territories, Virginia, Washington, Wisconsin, len.balthis@noaa.gov

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, 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

Estuarine Species Database for the NOAA Estuarine ...

We developed a database on the distribution, relative abundance, and life history characteristics of 153 species in 122 estuaries in support of the Estuarine Living Marine Resources (ELMR) program. The ...
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Ecological and Biogeographic Assessments, Marine Spatial Ecology, Alabama, Atlantic Ocean, California, Chesapeake Bay, Connecticut, Delaware, District of Columbia, Florida, Georgia, Great Lakes, Gulf of Mexico, Louisiana, Maine, Maryland, Massachusetts, Mississippi, New Hampshire, New Jersey, North Carolina, Oregon, Pacific Ocean, Rhode Island, South Carolina, Texas, U.S. States and Territories, Virginia, Washington, Waterbodies, david.moe.nelson@noaa.gov, john.christensen@noaa.gov

News

NCCOS and NGI Lead Seventh Annual Hypoxia Research...

NCCOS is working with the Northern Gulf Institute (NGI) and Gulf of Mexico State partners to develop a robust and sustainable Gulf of Mexico-wide monitoring program for hypoxia. At the ...
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Biological Effects of Contaminants and Nutrients, HABHRCA, Hypoxia, Sponsored Research, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, alan.lewitus@noaa.gov

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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CHRP, HABHRCA, Hypoxia, Sponsored Research, Stressor Impacts and Mitigation, Louisiana, Mississippi, Texas, alan.lewitus@noaa.gov

Gulf of Mexico ‘Dead Zone’ Largest Ever Measured

Scientists have determined this year’s Gulf of Mexico “dead zone,” an area of low oxygen that can kill fish and marine life, is 8,776 square miles, an area about the ...
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Hypoxia, Stressor Impacts and Mitigation, Water Quality, Alabama, Gulf of Mexico, Louisiana, Mississippi, Texas, U.S. States and Territories, Waterbodies

Hypoxia Leads to Atlantic Croaker Decline in Gulf ...

A team of scientists led by Louisiana State University (LSU) developed a model to understand the impacts of hypoxia (low oxygen) on Atlantic croaker in the northern Gulf of Mexico. Results indicate ...
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Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Mississippi, Texas, U.S. States and Territories, Waterbodies, david.kidwell@noaa.gov

Record-setting Razor Clam Harvest Aided by Pacific...

Recreational razor clam harvesters in Long Beach, Washington, set a record for one-day digger trips (17,800 diggers) on April 30, 2017. The record number of trips was triggered by the ...
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Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Chesapeake Bay, Florida, Gulf of Mexico, Maine, Oregon, Texas, U.S. States and Territories, Washington, Waterbodies, marc.suddleson@noaa.gov

Second ‘Cytobot’ Deployed in Texas Har...

NCCOS-funded investigators from Texas A&M University (TAMU) successfully deployed an Imaging Flow Cytobot (IFCB) on a pier near Freeport, Texas. This is the second cytobot deployed in the Gulf of ...
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Marine Spatial Ecology, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, marc.suddleson@noaa.gov

NCCOS a Big Player at 2017 Gulf of Mexico Alliance...

NCCOS scientists and sponsored principal investigators (PIs) joined hundreds of other scientists and managers interested in the ecology and sustainability of the Gulf of Mexico at the Gulf of Mexico ...
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Coastal Change, Florida, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, christine.addison@noaa.gov, david.kidwell@noaa.gov, randy.clark@noaa.gov

Southeast Deep Coral Initiative: NOAA Multi-Year E...

A new NOAA report outlines the objectives and activities of the Southeast Deep Coral Initiative (SEDCI). The initiative is a coordinated, cross-line office effort that includes partners from NOAA Fisheries, ...
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Marine Spatial Ecology, Alabama, Florida, Georgia, Gulf of Mexico, Louisiana, Mississippi, North Carolina, South Carolina, Texas, Waterbodies, peter.etnoyer@noaa.gov

A Primer to Living Shorelines Published

A synthesis of recent thinking and results from practitioners and researchers of Living Shorelines just hit the stands. " Living Shorelines: The Science and Management of Nature-Based Coastal Protection," details ...
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Coastal Change, Vulnerability and Risk Assessment, California, Chesapeake Bay, Delaware, Florida, Georgia, Great Lakes, Gulf of Mexico, Hawaii, Louisiana, Maryland, Massachusetts, Mississippi, New York, North Carolina, Oregon, Puerto Rico, Rhode Island, South Carolina, Texas, U.S. States and Territories, U.S. Virgin Islands, Virginia, Washington, carolyn.currin@noaa.gov

Reducing Migratory Duck Mortality on Padre Island,...

An extremely toxic Microcystis bloom on a pond in the Padre Island National Seashore was associated with a significant mortality of redhead ducks (Aythya americana). The primary concern is the ...
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Marine Spatial Ecology, Gulf of Mexico, Texas, U.S. States and Territories, quay.dortch@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 matis 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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Dispersal of Mississippi and Atchafalaya Sediment on the Texas-Louisiana Shelf: Model Estimates for the Year 1993

A three-dimensional coupled hydrodynamic-sediment transport model for the Texas–Louisiana continental shelf was developed using the Regional Ocean Modeling System (ROMS) and used to represent fluvial sediment transport and deposition for the year 1993. The model included water and sediment discharge ...
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Distance maps to estimate cell volume from two-dimensional plankton images

We describe and evaluate an algorithm that uses a distance map to automatically calculate the biovolume of a planktonic organism from its two-dimensional boundary. Compared with existing approaches, this algorithm dramatically increases the speed and accuracy of biomass estimates from ...
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Effects of hypoxia exposure on hepatic cytochrome P450 1A (CYP1A) expression in Atlantic croaker: molecular mechanisms of CYP1A down-regulation

Hypoxia-inducible factor-? (HIF-?) and cytochrome P450 1A (CYP1A) are biomarkers of environmental exposure to hypoxia and organic xenobiotic chemicals that act through the aryl hydrocarbon receptor, respectively. Many aquatic environments heavily contaminated with organic chemicals, such as harbors, are also ...
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Effects of model physics on hypoxia simulations for the northern Gulf of Mexico: A model intercomparison

A large hypoxic zone forms every summer on the Texas-Louisiana Shelf in the northern Gulf of Mexico due to nutrient and freshwater inputs from the Mississippi/Atchafalaya River System. Efforts are underway to reduce the extent of hypoxic conditions through reductions ...
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About NCCOS

NCCOS delivers ecosystem science solutions for stewardship of the nation’s ocean and coastal resources, in direct support of NOS priorities, offices, and customers, and to sustain thriving coastal communities and economies.

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Email: nccos.webcontent@noaa.gov

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