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Next-generation HAB Detectors are Smaller, Cheaper, and Getting Attention

Two instruments developed with NCCOS support are revolutionizing the detection of harmful algal blooms (HABs). The Environmental Sample Processor, or ESP, and the Imaging Flow Cytobot, or IFCB, are receiving more attention from scientists and managers and are the focus of an August 2014 article in the journal Environmental Health Perspectives. The article describes the […]

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Invasive Asian Carp Could Establish in Lake Erie with Little Effect to Native Fishery

A recent study found that if Asian carp establishes in Lake Erie, the native fisheries might not be significantly affected. Based on consultations with Great Lakes and fisheries specialists, the researchers estimated that Asian carp biomass could range from nearly zero to an even larger presence than the current walleye and yellow perch in Lake Erie. From […]

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NOAA and Partners Monitor Large Red Tide in Gulf of Mexico off Southwest Florida

A large harmful algal bloom (HAB) of the Florida red tide organism Karenia brevis remains offshore of Florida’s southwest coastal counties, causing growing concern among Florida wildlife managers and public health officials. Depending on the winds and currents, the HAB could possibly reach some of Florida’s most popular tourist beaches within a week. The bloom caused an on-going […]

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NOAA Expedition Embarks to Investigate Coral Ecosystem Connectivity in the Gulf of Mexico

A NOAA-funded investigation of the relatively healthy, deep, mesophotic reefs of Pulley Ridge (off the southwest coast of Florida) begins the second leg of this summer’s expedition. From August 14-28, the University of Miami’s R/V F.G. Walton Smith will launch a surface driven remotely operated vehicle (ROV) to photograph the benthic and fish communities, as […]

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Coastal Ocean Acidification: The Other Eutrophication Problem

Eutrophication, or increased nutrient loading to estuaries, causes algae to bloom and consequently coastal hypoxia (low oxygen waters) when the algal biomass decomposes. Often overlooked, eutrophication can also produce carbon dioxide, which leads to a lowering of seawater pH (or increasing acidity). A recent invited paper by scientists supported by NCCOS and the NOAA Ocean Acidification Program shows low […]

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Average 2014 Gulf of Mexico ‘Dead Zone’ Confirms NOAA-supported Forecast

National Centers for Coastal Ocean Science supported scientists documented that the 2014 “dead zone” (area of hypoxia, or low oxygen) in the northern Gulf of Mexico west of the Mississippi River delta now covers 5,052 square miles of sea floor, or about the size of the state of Connecticut. Though average in size and smaller than last year, […]

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Gliders Map Large Red Tide Bloom in Gulf of Mexico for Rapid Response

NCCOS is supporting the rapid deployment of self-propelled underwater robotic gliders to map an emerging red tide bloom in the Gulf of Mexico. The bloom of Karenia brevis, Florida Red Tide, was detected by an NCCOS-sponsored new modeling tool on July 23 and the Florida Fish and Wildlife Commission (FWC) promptly issued a public red tide notice alerting the public of […]

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Declining Oxygen Levels Threaten Oysters in Chesapeake Bay

NCCOS-sponsored research by the Smithsonian Institution Environmental Research Center (SERC) reveals low dissolved oxygen (hypoxia) hampers oysters’ ability to fight Dermo, a disease that has ravaged oysters throughout the Chesapeake Bay, resulting in up to two to three times more infected oysters than in waters with normal oxygen levels. Hypoxia is commonly studied on large geographic […]

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