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Determining Habitat Requirements and Connectivity ...

We are investigating habitat requirements and connectivity for key reef-associated fishes in the Flower Garden Banks National Marine Sanctuary and surrounding areas. Marine protected areas (MPAs) are designated to conserve ...
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Coral, Ecological and Biogeographic Assessments, Marine Spatial Ecology, Other Topics, Regional Ecosystem Science, Sponsored Research, Atlantic Ocean, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, kimberly.puglise@noaa.gov

Development of a Siting Tool for Sustainable Oyste...

Oyster populations in Copano Bay, Texas, have declined to roughly one percent of historic populations, and the once thriving commercial oyster fishery in Texas reflects this decline. Aquaculture is seen ...
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Coastal Aquaculture Siting and Sustainability, Marine Spatial Ecology, Stressor Impacts and Mitigation, Water Quality, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies

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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Evaluating Changes in Health and Well-being in Com...

We are exploring how environmental changes that resulted from the Deepwater Horizon oil disaster of 2010 are affecting human health and well-being in neighboring coastal communities. Federal, state, and academic ...
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Assessing Vulnerability and Resilience, Biological Effects of Contaminants and Nutrients, , Stressor Impacts and Mitigation, Alabama, Florida, Gulf of Mexico, Louisiana, Mississippi, South Carolina, Texas, U.S. States and Territories, Waterbodies, theresa.goedeke@noaa.gov

Explaining Acidification and Nutrient Pollution in...

We are supporting research that will define relationships between estuarine acidification and other stressors (i.e., reduced freshwater inflow, low oxygen, and nutrient loading) in Texas coastal bays. This information will ...
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Coastal Change, Ocean Acidification, Stressor Impacts and Mitigation, Texas, U.S. States and Territories, elizabeth.turner@noaa.gov

Hypoxia’s Effects on the Shrimp Fishery in the Nor...

Our research is the first to investigate hypoxia’s effects on the harvest and economic dynamics of a Gulf of Mexico shrimp fishery. By linking hypoxia to impacts on fisheries, we ...
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Biological Effects of Contaminants and Nutrients, Coastal Change, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, david.kidwell@noaa.gov

Implementing Karenia brevis Respiratory Risk For...

This project will establish a network that incorporates state monitoring partners and citizen scientists to show that the HABscope-based forecast system can provide robust, timely and useful bloom locations and ...
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Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Florida, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, marc.suddleson@noaa.gov

Improving Predictions of Contaminants of Emerging ...

We are building models to assess relationships between chemical contamination in the environment and human activity. By evaluating variables such as land use, population density, community infrastructure and business locations, ...
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Integrated Ecosystem Modeling of the Causes of Hyp...

The largest low oxygen (hypoxic) zone affecting the United States is in the northern Gulf of Mexico, adjacent to the Mississippi River. This “dead zone” in the Gulf of Mexico ...
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Biological Effects of Contaminants and Nutrients, Hypoxia, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, david.scheurer@noaa.gov

Life and Death of a Karenia Bloom in the Western G...

Harmful algal blooms (HABs) are increasing in frequency and pose a threat to human and environmental health. Blooms of Karenia brevis occur nearly annually along the Florida coast which has ...
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Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Gulf of Mexico, Texas, U.S. States and Territories, Waterbodies, marc.suddleson@noaa.gov

News

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

NCCOS Science, Funding are Backbone of U.S. HAB Mo...

NCCOS-supported regional harmful algal bloom (HAB) monitoring programs span the United States and help build a global HAB monitoring and prediction system. A recent article in Frontiers in Marine Science ...
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Data & Publications

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 TexasLouisiana 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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Effect of hydrological variability on the biogeochemistry of estuaries across a regional climatic gradient

Given projected changes in river flow to coastal regions worldwide due to climate change and increasing human freshwater demands, it is necessary to determine the role hydrology plays in regulating the biogeochemistry of estuaries. A climatic gradient exists along the ...
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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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Ensemble modeling informs hypoxia management in the northern Gulf of Mexico

A large region of low-dissolved-oxygen bottom waters (hypoxia) forms nearly every summer in the northern Gulf of Mexico because of nutrient inputs from the Mississippi River Basin and water column stratification. Policymakers developed goals to reduce the area of hypoxic ...
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Environmental toxicology data collected by the National Status and Trends Program for monitoring contaminants in coastal United States marine water bodies from 01 Jan 1960 to 05 May 2010 (NODC Accession 0074376)

The National Status and Trends Program is comprised of three nationwide programs: Benthic Surveillance, Mussel Watch, and Bioeffects. These programs are in place to observe estuarine and coastal waters nationwide to describe the current status and detect changes in the ...
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Estuarine classification and response to nitrogen loading: Insights from simple ecological models

Estuaries exhibit a large range in their responses to nitrogen loadings determined in part by characteristics of the driver, such as magnitude and frequency, but also by such intrinsic characteristics as physical/chemical factors (e.g., depth, volume, hypsometry, salinity, turbidity) and ...
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Estuarine Living Marine Resources: Gulf of Mexico regional distribution and abundance (NCEI Accession 0163993)

This is the original (1992) Gulf of Mexico regional component of NOAA's Estuarine Living Marine Resources (ELMR) Project, a national database of ecologically and economically important fishes and invertebrates in the Nation's estuaries. The distribution and relative abundance are depicted ...
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Estuarine salinity zones in US East Coast, Gulf of Mexico, and US West Coast from 1999-01-01 to 1999-12-31 (NCEI Accession 0127396)

These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of the contiguous United States. Each estuary is subdivided into three zones between the head(s) of tide, and the ...
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