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Complex Interactions Between Harmful Phytoplankton...

We identified how nutrients and exotic zebra mussels interact to promote harmful algal blooms (HABs) in the Great Lakes. Results show the relationship between nutrient loading, herbivore grazing, and HABs ...

Emerging Algal Toxins in the California Current Sy...

Surveys in California have highlighted the occurrence of HAB toxins in estuarine waters and shellfish, but there is concern that current monitoring approaches under-report the threats. There is a need ...

Enhancing Third-generation Environmental Sample Pr...

Monitoring the increase in cyanobacterial harmful algal blooms (HABs) in nearshore environments is challenging. Recent development of a long-range autonomous underwater vehicle (AUV) equipped with a third-generation Environmental Sample Processor ...

Improving Tools for Monitoring Multiple HAB Toxins...

The impacts of cyanobacteria (blue-green algae) toxins are an emerging public health and environmental issue in brackish and marine ecosystems, yet coastal harmful algal bloom (HAB) monitoring programs to date ...

Microcystins in Bivalves: Optimizing of Monitoring...

This project addresses an emerging concern across the US - the transfer of freshwater algal toxins into the marine environment where they can infiltrate the food web and present a ...

Mitigating Microcystis in the Chesapeake Bay

Chitosan, a natural compound, is added to concentrations of local sediments and commercial clays to control harmful algal blooms. We are studying the impacts of this mitigation technique on natural ...

Portable Toxin Detection Technology to Support Gre...

This project improves the rapid detection of cyanotoxins in the field to provide managers with timely information on risk and minimize exposure to stakeholders. The team will pilot use of ...

Rapid, Portable, Multiplexed Detection of Harmful ...

We are expanding algal toxin testing to include tests for saxitoxins and anatoxin-a. The new tool will give water managers and community-based monitoring networks the ability to rapidly quantify these ...

Using Microcystin-degrading Bacteria and their Enz...

We will assess the potential that algal toxin–degrading bacteria have to degrade toxins from water treatment facilities. Why We Care Harmful algal blooms (HABs) occur in eutrophic waters across the ...

News

First Real-time Toxicity Assessment of Lake Erie A...

Preparing the 3G-ESP for use on the Long-Range Autonomous Underwater Vehicle (LRAUV). Top left: NCCOS scientist inspects custom-fabricated microcystin sensor chip at Hollings Marine Laboratory in Charleston, South Carolina. Top ...

NCCOS Expands Monitoring of More Lakes, Coastal Ba...

With harmful algal blooms (HABs) occurring in the nation’s lakes, bays and sounds, NCCOS is expanding HAB monitoring and forecasting to these smaller water bodies which can be resolved by ...

Report on U.S. Marine HABs: History, Current Statu...

NCCOS recently supported a review of the status of marine HAB problems in the U.S., part of a global statistical analysis of harmful algal blooms (HAB) events. The study relies ...

Enabled by NCCOS Response and Training, SC Respond...

Left: Visible Aphanizomenon bloom from Goose Creek Reservoir. Right: NCCOS scientist Steve Morton collects samples. Credit Karen Morton. A blue-green algae (cyanobacteria) bloom was detected in a reservoir used as ...

NOAA Lake Erie Harmful Algal Bloom Early Season Pr...

Western Lake Erie is expected to experience a lower than average harmful algal bloom (HAB) this summer, according to the first 2021 Lake Erie Harmful Algal Bloom Early Season Projection ...

Ecosystem Approach to Everglades Water Flow Needed...

A new study partially funded by the NCCOS Ecology and Oceanography of Harmful Algal Blooms (ECOHAB) Program describes the various stressors that have impacted South Florida ecosystems over the last ...

Comparing Saginaw Bay and Western Lake Erie for Ha...

MODIS satellite image (undated) of Lake Huron/Saginaw Bay and the Western Lake Erie basin showing cyanobacterial blooms (greenish areas), Credit NASA. Scientists from NCCOS and the University of Maryland collaborated ...

New Study Describes Transport of Toxic Freshwater ...

An NCCOS-sponsored study found that freshwater cyanobacteria, and their toxins, produced in a compartmentalized California estuary can accumulate and enter marine waters episodically, particularly during storms and significant tidal exchange ...

Public Reporting Tool Helps Long Island’s Suffolk ...

Brown tides and other harmful algal blooms (HABs) are becoming a recurrent seasonal issue in the coastal waters of New York’s Suffolk County. A NCCOS brown tide research project provided ...

Urea-based Fertilizer Promotes Blue-Green Algal Bl...

Figure 1. The MERHAB Autonomous Research Vessel In-situ (MARVIN) deployed in Sarasota Bay in 2009. Credit FWC. A recent NCCOS-supported study observed that urea inputs into Sarasota Bay, FL influenced ...
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