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Together Hypoxia and Ocean Acidification Equal a Double Whammy for Marine Life

Conditions resulting in low dissolved oxygen (DO) in marine systems, also known as hypoxia, are a common occurrence in oceans around the world. Ocean acidification (OA), which results in lower pH, is a newer phenomenon, but often co-occurs with hypoxia due to elevated water temperatures and accelerated nutrient delivery from land. A new review of the effects of hypoxia […]

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Models Highlight Benefits of Aquaculture in Long Island Sound

Shellfish bioextraction has the potential to improve water quality and boost the economy Declining water quality from excess nutrient inputs, called eutrophication, is an issue of concern in estuaries and coastal waters around the world. These nutrients enter near-shore waters from land, typically from urban stormwater and fertilizer runoff and treated sewage outputs. The environmental […]

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Acidification Increases Sensitivity to Hypoxia in Important Forage Fishes

NCCOS sponsored research focusing on the combined effects of low dissolved oxygen and ocean acidification finds that acidification can increase fish sensitivity to hypoxia. This has important implications for increasing atmospheric carbon dioxide effects on our marine systems and may indicate that official dissolved oxygen regulatory criteria do not protect living resources as intended. Hypoxia, or […]

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Offshore Sewage Release in Southern California Brings Unexpected Result

A scheduled sewage release off Los Angeles provided a unique opportunity to study before and after impacts of massive nutrient injection into coastal waters. Researchers hypothesized large, potentially harmful algal blooms (HABs), would result from the discharge. The sewage release was extensively studied by NCCOS scientists, sponsored researchers, and partner agencies, and the results were not […]

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NCCOS Projects at the Forefront of Numerical Estuarine Modeling

Scientists’ use of simulation models has increased during the past several decades as a widely accepted tool for investigations into estuarine dynamics. A recently published scientific review paper, authored by NCCOS-sponsored scientists, outlines the progress and accomplishments of coupled hydrodynamic-ecological estuarine modeling. Many NCCOS-sponsored foundational modeling studies are featured in the review paper. Findings show that while most […]

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2016 Ocean Sciences Meeting Showcases NCCOS Research

The 2016 Ocean Sciences Meeting this past winter featured the research of NCCOS scientists and sponsored principal investigators. Topics included ocean acidification, hypoxia, blue carbon, and harmful algal blooms. NCCOS scientists and sponsored researchers gave 24 oral and poster presentations and co-chaired six special sessions. The biennial Ocean Sciences Meeting consists of a diverse program covering […]

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Annual Lecture Informs Long Island Citizens of Water Quality Threats

Over the last century, Long Island coastal bays, once home to some of the nation’s most productive shellfisheries, have faced a series of environmental threats. The primary culprit appears to be excess nitrogen entering the waters—from fertilizer runoff to septic system effluent—that fuels excessive algal growth, reducing water quality and degrading bay ecosystems. These algal […]

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Long Island Shellfish Industry Briefed on Climate Impacts

On March 2, 2016, approximately 20 people involved in the shellfish industry on Long Island, NY met with Dr. Chris Gobler at his Stony Brook University laboratory to learn about some of the threats climate change could pose to shellfish hatchery and grow-out operations. Participants included county shellfish managers, town hatchery operators, private shellfish companies, […]

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