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Projects

Assessing the Threat of Hypoxia to Coral Reefs

We are examining the impact of low-oxygen (hypoxia) stress on coral reef ecosystems. Coral reefs are in decline, and human-assisted restoration is actively trying to reverse this trend. Our project ...
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Biological Effects of Contaminants and Nutrients, CHRP, Coastal Change, Coral, Hypoxia, Marine Spatial Ecology, Other Topics, Restoration, Sponsored Research, Stressor Impacts and Mitigation, Vulnerability and Risk Assessment, Atlantic Ocean, Florida, Gulf of Mexico, U.S. States and Territories, Waterbodies, kimberly.puglise@noaa.gov

Causes and Consequences of Hypoxic Events in Low-i...

We are investigating the processes that lead to hypoxia in Southern California’s lagoons, and identifying its ecological impacts. These small estuaries, which have tidal inlets that can close to the ...
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Biological Effects of Contaminants and Nutrients, CHRP, Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, California, Pacific Ocean, U.S. States and Territories, Waterbodies, kimberly.puglise@noaa.gov

Forecasting the Causes, Consequences, and Potentia...

In recent years, the central basin of Lake Erie has experienced low-oxygen conditions, despite measures taken by surrounding states and provinces to reduce nutrient inputs. We studied the factors that ...
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Hypoxia, Stressor Impacts and Mitigation, Great Lakes, Michigan, New York, Ohio, Pennsylvania, U.S. States and Territories, Waterbodies, elizabeth.turner@noaa.gov

How Will Changing Temperature and Oxygen Condition...

We are supporting the application of coastal ocean models to determine the vulnerability of important species to changing temperature and oxygen in the California Current. This will enable coastal managers ...
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Biological Effects of Contaminants and Nutrients, CHRP, Coastal Change, Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Vulnerability and Risk Assessment, California, Oregon, U.S. States and Territories, Washington, kimberly.puglise@noaa.gov

Hypoxia in Green Bay, Wisconsin: Biogeochemical Dy...

Hypoxia conditions have plagued the lower part of Lake Michigan’s Green Bay and the Fox River for decades. We know nutrients are contributing to the problem, and we are developing ...
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CHRP, Climate Impacts on Ecosystems, Coastal Change, Hypoxia, Stressor Impacts and Mitigation, Great Lakes, U.S. States and Territories, Waterbodies, Wisconsin, felix.martinez@noaa.gov

Hypoxia Response to Nutrient Management in Narraga...

We are developing observational and modeling tools and analyses to help management agencies in Narragansett Bay, Rhode Island assess the efficacy of nutrient management controls on hypoxia (low dissolved oxygen) ...
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CHRP, Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Rhode Island, U.S. States and Territories, Waterbodies, alan.lewitus@noaa.gov

Impacts of Hypoxia on Fish and Fisheries in the No...

To protect fisheries and support ecosystem-based resource management in the northern Gulf of Mexico, we are developing modeling tools that will evaluate and simulate how large-scale changes in forcing factors ...
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Hypoxia, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, U.S. States and Territories, Waterbodies, david.kidwell@noaa.gov

LEOFS-Hypoxia: Operational Lake Erie Hypoxia Forec...

Deep waters of Lake Erie’s central basin have areas of low dissolved oxygen. Weather conditions can determine if this low oxygen (hypoxic) water will be taken up by treatment plants, ...
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CHRP, Hypoxia, Stressor Impacts and Mitigation, Great Lakes, Ohio, Pennsylvania, U.S. States and Territories, Waterbodies, felix.martinez@noaa.gov

Mechanisms Controlling Hypoxia – Glider Applicatio...

We evaluated the use of gliders to improve Gulf of Mexico hypoxic zone monitoring. The efficacy of this technology was determined and we developed a comprehensive plan that integrates glider ...
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Hypoxia, Stressor Impacts and Mitigation, Gulf of Mexico, Waterbodies, david.hilmer@noaa.gov

Operational Gulf of Mexico Hypoxia Monitoring

The Gulf of Mexico hypoxia monitoring cruise is an annual shelf-wide survey of the Gulf's hypoxic area (i.e., “dead zone”) and the survey is the metric used by the interagency ...
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Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, david.scheurer@noaa.gov

News

Hypoxia Impacts Macrobenthic Organism Densities an...

Caption: Los Peñasquitos Lagoon, a low-inflow estuary near La Jolla, California with the estuary mouth open. Credit: Michelle Cordrey NCCOS-supported researchers compared macrobenthic organisms in two low-inflow estuaries in Southern ...
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Biological Effects of Contaminants and Nutrients, CHRP, Hypoxia, Stressor Impacts and Mitigation, California, U.S. States and Territories, kimberly.puglise@noaa.gov

NOAA Awards $4.2 Million for Multi-Stressor Resear...

NOAA has awarded $967,505 of an anticipated four-year, $4.2 million project to support research on multi-stressor impacts on marine ecosystems under climate change. The newly funded project, led by Oregon ...
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Biological Effects of Contaminants and Nutrients, Climate Impacts on Ecosystems, Coastal Change, Ecological and Biogeographic Assessments, Harmful Algal Bloom Detection and Forecasting, Hypoxia, Marine Spatial Ecology, Ocean Acidification, Other Topics, Regional Ecosystem Science, Sponsored Research, Stressor Impacts and Mitigation, California, Oregon, Pacific Ocean, U.S. States and Territories, Washington, Waterbodies, kimberly.puglise@noaa.gov

Smaller than Expected Summer 2022 ‘Dead Zone’ Meas...

(Top) Map of measured Gulf hypoxia zone, July 25 – August 1, 2022. Red area denotes 2 mg/L of oxygen or lower, the level which is considered hypoxic, at the ...
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Hypoxia, Stressor Impacts and Mitigation, Gulf of Mexico, Waterbodies, david.scheurer@noaa.gov, marykate.rogener@noaa.gov

Reef-Building Coral Species Differ in Tolerance to...

NCCOS-supported researchers investigating the effects of hypoxia (low oxygen) on threatened coral species discovered that some species have surprisingly high tolerance to declining ocean oxygen levels. While investigating staghorn coral ...
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Climate Impacts on Ecosystems, Coastal Change, Funding, Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Florida, U.S. States and Territories, kimberly.puglise@noaa.gov

Climate Change Likely to Worsen Impact of Urban Ru...

The downtown Los Angeles skyline. Credit Wikimedia Commons. An NCCOS-funded study found that nutrient-laden, urban runoff is fueling algal blooms in Southern California's coastal waters that are acidifying the water ...
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CHRP, Coastal Change, Harmful Algal Bloom Detection and Forecasting, Hypoxia, Ocean Acidification, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, California, Pacific Ocean, U.S. States and Territories, Waterbodies, kimberly.puglise@noaa.gov

Real-time Data Aids Managers in Timing Decisions o...

NCCOS-supported instruments in Los Peñasquitos Lagoon are providing real-time data to Southern California managers and regulators on key physical parameters (dissolved oxygen, salinity, and water level) enabling them to determine ...
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Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, California, Pacific Ocean, U.S. States and Territories, Waterbodies, kimberly.puglise@noaa.gov

Lake Erie Eutrophication Exacerbated by Release of...

Lake Erie not only experiences eutrophication caused by runoff-laden phosphorus (P), but also by internal P loading caused by recycling of “legacy” P stored in bottom sediments. This phenomenon was ...
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Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Great Lakes, Ohio, U.S. States and Territories, Waterbodies, felix.martinez@noaa.gov

NOAA Ecological Forecast Helps Solve Mystery in La...

Residents of several northeast Ohio Lake Erie towns were surprised by a strong, foul smell during the first days of September. The residents, fearing a dangerous gas leak, called their ...
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CHRP, Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Great Lakes, Ohio, U.S. States and Territories, Waterbodies, felix.martinez@noaa.gov

Coral Bleaching May be Induced by Hypoxia

NCCOS-supported researchers found low oxygen (hypoxia) led to coral bleaching, mass coral mortality, and changes in the microbial community on a Caribbean coral reef. In 2017, hypoxia was detected on ...
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CHRP, Hypoxia, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Caribbean Sea, Foreign Countries, Waterbodies, kimberly.puglise@noaa.gov

Larger than Expected Summer ‘Dead Zone’ Measured i...

Map of measured Gulf hypoxia zone, July 25–31, 2021 (LUMCON/NOAA). Red area denotes 2 mg/L of oxygen or lower, the level which is considered hypoxic, at the bottom of the ...
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HABHRCA, Hypoxia, Stressor Impacts and Mitigation, Gulf of Mexico, Waterbodies, david.scheurer@noaa.gov

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