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Gliders Map Gulf of Mexico Dead Zone

This summer, NCCOS-sponsored scientists from Texas A&M University will test the use of gliders to monitor and map hypoxia in the northern Gulf of Mexico. The team will deploy five autonomous underwater vehicle gliders and one autonomous surface vehicle over the Louisiana coastal shelf and associated offshore region, while also taking shipboard hypoxia (low dissolved […]

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Study Describes Social-ecological System of La Parguera, Puerto Rico

A new study describes the social-ecological system of La Parguera, Puerto Rico, and identifies the different pressures that have changed this system over the last 40 years. According to the report, multiple pressures have changed this ecosystem, including: sedimentation, nutrient enrichment, elevated seawater temperatures, and overfishing. La Parguera is a small fishing village on the […]

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Study Informs Restoration of Michigan’s Saginaw Bay

A 2014 special issue of the Journal of Great Lakes Research details the findings of a five-year, NCCOS-funded project in Michigan’s Saginaw Bay designed to better inform bay restoration efforts. The special issue highlights research results from studies that address the bay’s various environmental stressors. Saginaw Bay in Lake Huron and its surrounding watershed support a […]

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Monterey Bay National Marine Sanctuary Seeks Advice on Harmful Algal Bloom Threat

Five NOAA National Marine Sanctuaries on the west coast are vulnerable to harmful algal blooms, including blooms of Pseudo-nitzschia, which at times produce domoic acid—a potent neurotoxin that can accumulate in many animals. Consumption of toxic prey leads to illness and death in a variety of birds and marine mammals and necessitates shellfish harvesting closures […]

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Scenario-based Ecosystem Forecast Models Help Mitigate Hypoxia

Representing NOAA at the Ninth National Monitoring Conference, NCCOS’s Dr. Alan Lewitus spoke at a session focused on nutrient monitoring and modeling to restore and protect coastal water quality. His presentation described how scenario-based ecosystem forecast models can generate nutrient reduction targets to achieve hypoxia mitigation goals. NCCOS administers national competitive programs that assess the […]

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Lecture Informs Public of Long Island’s Coastal Ills, Solutions

NCCOS-funded researcher Dr. Christopher Gobler and his students recently reported on the nearly complete collapse of hard clam fisheries in Great South Bay and bay scallop fisheries off the East End of Long Island due to annually occurring harmful algal blooms, hypoxia, and acidification. The team discovered excess nitrogen entering groundwater from septic tanks and […]

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Traditional Palauan Practices Support Healthy Coral Reefs

A new study has demonstrated what Palauans have known for millennia—cultivated wetlands, in particular taro (Colocasia esculenta) fields, can control soil erosion and reduce the impact of watershed discharges on nearshore coral reefs. Taro fields in Palau are designed with embankments that allow a steady flow of water through the field, using the taro plants […]

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High-tech Armada Links Toxic Algal Blooms and Nutrients from Sewage off Southern California

Last month, NCCOS-funded scientists deployed two Environmental Sample Processors, two research vessels, five autonomous underwater vehicles, and five drifters in the ocean around San Pedro Bay, off Southern California, seeking signs of harmful algal blooms (HABs). Not long after deployment, this high-tech armada detected a large phytoplankton bloom that included the diatom Pseudo-nitzschia and its […]

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