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Projects

A Multidisciplinary, Integrative Approach to Valui...

We are estimating the economic value from natural and nature-based infrastructure investments to stabilize coastline. Using hazard risks along the U.S. Pacific Northwest coast, we are assigning a dollar value ...

Application of Clay Flocculation for Removal of Ka...

Despite routine application in Asia, clay flocculation technology to control harmful algal blooms has not been adopted in the U.S., largely because of the lack of data on U.S. ecosystems ...

Assessing Societal Impacts of Harmful Macroalgae B...

We will examine how Sargassum seaweed blooms and their mitigation in the Caribbean affect multiple dimensions of social resilience, including economic impacts, human well-being, local ecological knowledge, and individual attitudes, ...

DinoSHIELD: A Slow-release Natural Algicide Produc...

We will field test an environmentally neutral method to control harmful algal blooms. Our work will provide managers with information on the applications of a natural algicide as an environmentally ...

Ecosystem Based Management: An Analysis of Nationa...

Ecosystem based management (EBM) is a holistic, adaptive approach to developing policies that ensure ecosystem sustainability, food and water security, and improve human health outcomes for future generations. Informed by ...

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 ...

Evaluation of Mitigation Strategies for Harmful Al...

We will assess the potential economic benefits of mitigation strategies for harmful algal blooms in the Dungeness crab fishery along the U.S. West Coast. Why We Care In 2015, the ...

Forecasting the Spread and Bioeconomic Impacts of ...

We are developing predictions of the arrival and economic impact of non-native aquatic invasive species to better respond to current invasions and prevent future invasions. We are combining scientific, economic, ...

Harmful Algal Bloom Community Technology Accelerat...

The project team will establish a California regional hub for harmful algal bloom data, technology, and knowledge transfer, and then expand or export these technological tools to other regions on ...

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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News

NOAA Assesses Policy Gaps in Sargassum Management

The National Oceanic and Atmospheric Administration (NOAA) has released "Nearshore Sargassum Management: Policy Analysis and Agency Gaps Assessment," a detailed analysis assessing critical policy and management gaps related to Sargassum ...

Survey Identifies Caribbean Residents' Perceptions...

Floating Sargassum seaweed in the Caribbean provides habitat and nurseries for a variety of marine life. However, in recent years, the region has seen a dramatic increase in the extent ...

New Research Examines the Use of Clay to Reduce th...

Scientist Mike Henry of the Mote Marine Laboratory sprays clay slurries into Florida's Sarasota Bay. Credit: Jim Culter/Mote Marine Laboratory In April 2022, an experiment was conducted at the Mote ...

Clay Treatments to Control Red Tide Unlikely to Ha...

Blooms of the toxic marine algae Karenia brevis, commonly known as red tide, occur almost annually on Florida’s west coast, often killing other marine life and costing local economies millions ...

Daily Real-Time Observations Help Improve Domoic A...

A 2G ESP (inside its orange enclosure) with NCCOS domoic acid sensor onboard sits on the deck of a NOAA/NWFSC vessel enroute to deployment for the 2023 mission. Also visible ...

Different Varieties of Microcystins Have Differing...

Research technicians from Dr. Chaffin's laboratory collect Lake Erie water samples for analysis as part of the NCCOS funded study. Models predicting the amount of Microcystis, an alga that forms ...

If You Build It, Is It Worth It? The Value of Rest...

This image is an example of one of the choice cards given to survey participants regarding coastal and dune restoration options (Nguyen et al. 2023, Figure 2). Coastal dunes and ...

Harmful Algal Bloom Technology Incubator Launched

Pond next to Visitors’ Center in Monocacy National Battlefield. Photo by Jane Thomas, Integration and Application Network (ian.umces.edu/media-library) Harmful algal blooms (HABs) are a growing concern across the United States ...

NCCOS Awards $16.1M for Harmful Algal Bloom Resear...

Cyanobacteria shares some properties with algae and are found naturally in lakes, streams, ponds and other surface waters. (EPA) NCCOS is announcing $16.1 million in funding for harmful algal bloom ...

NOAA Announces FY23 Notice of Funding Opportunity ...

Western Lake Erie True Color Image of a harmful algal bloom derived from Ocean and Land Color Instrument (OLCI) sensor on Copernicus Sentinel-b obtained from EUMETSAT. NOAA’s National Centers for ...

Products

Maps, Tools & Applications

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Data & Publications

2000 years of sustainable use of watersheds and coral reefs in Pacific Islands: A review for Palau

In Palau and everywhere in the world, coastal coral reefs are threatened by sedimentation resulting from land clearing in the watersheds. Palau's largest island of Babeldaob is particularly susceptible to significant erosion due to its steep topography, high rainfall, and ...

Aquatic invasive species transport via trailered boats: what is being moved, who is moving it, and what can be done?

Trailered boats have been implicated in the spread of aquatic invasive species. There has been, however, little empirical research on the type and quantity of aquatic invasive species being transported, nor on the efficacy of management interventions (e.g., inspection crews, ...

Eurasian watermilfoil fitness loss and invasion potential following desiccation during simulated overland transport

Vegetative reproduction promotes human-mediated dispersal of aquatic invasive plants as fragments “hitchhike” between water bodies on boats and trailers. However, desiccation of plant fragments may also reduce fitness, decreasing the likelihood of fragment survival as transport distances increase. Current inter-lake ...

Evaluation of Lower Green Bay benthic fauna with emphasis on re-ecesis of Hexagenia mayfly nymphs

The last historic Hexagenia specimen in lower Green Bay was officially recorded in 1955. Field surveys and Hexagenia viability studies were completed to determine if lower Green Bay could support Hexagenia re-ecesis and where in the bay egg stocking could ...

Evidence of persistent, recurring summertime hypoxia in Green Bay

Six years (2009–2015) of temperature and dissolved oxygen profile data show hypoxic conditions are common in the bottom waters of southern Green Bay, Lake Michigan during the summer. Depleted oxygen concentrations (<5 mg L−1) affect nearly 70% of the 38 ...

Green Bay, Lake Michigan: A proving ground for Great Lakes restoration

Green Bay has sometimes been referred to as the largest freshwater “estuary” in the world. Its watershed, much of it in intensive agriculture, comprises one-third of the Lake Michigan basin and delivers one-third of the lake's total phosphorus load. At ...

In situ, high-resolution time series of dissolved phosphate in Green Bay, Lake Michigan

In nearly every instance in which the environment has been sampled on a higher resolution in time or space, fundamental processes have come to light that were previously undetected or unobserved. In this study, an autonomous dissolved phosphate sensor was ...

Integration of social and cultural aspects in designing ecohydrology and restoration solutions

Coastal marine ecosystems worldwide are being degraded as a result of anthropogenic disturbance, including pollution, runoff, and sedimentation, which are directly tied to human activities within adjacent watersheds. While the biophysical sciences can provide critical data determining cause-and-effect relationships among ...

Limitations of gravity models in predicting the spread of Eurasian watermilfoil

The effects of non-native invasive species are costly and environmentally damaging, and resources to slow their spread and reduce their effects are scarce. Models that accurately predict where new invasions will occur could guide the efficient allocation of resources to ...

Linking environmental conditions and ship movements to estimate invasive species transport across the global shipping network

Some nations, and the International Maritime Organization, are moving towards requirements for managing ballast water to reduce the number of alien species transported and released. These and other measures will be most efficient when targeted at ships posing the greatest ...
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General Pages

PCMHAB

NCCOS projects identify and evaluate a range of methods to prevent, control or mitigate blooms of harmful algae in ways that are safe for the environment.After more than 10 years ...

NOAA Internship Opportunities

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