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News

Coastal Ocean Acidification: The Other Eutrophicat...

Northeast U.S. coastal areas experiencing low oxygen and acidic conditions. (Courtesy C. Gobler, SUNY Stony Brook) Eutrophication, or increased nutrient loading to estuaries, causes algae to bloom and consequently coastal ...
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Multi-agency Team Investigates Chemical Pollution ...

A multi-agency team of researchers has begun a summer-long project to investigate chemical pollution in the Niagara River. The team will collect water, sediment, and mussel samples from various locations ...
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Webinar Highlights Citizen Science to Kick-off EPA...

Dr. Steve Morton provides microscopy training to citizen scientists. Credit: Steve Morton. NCCOS's Steve Morton and staff from the New York Department of Environmental Conservation recently led an EPA webinar ...
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Scientists Recognized for Role in Assessing Dolphi...

Last month, scientists from NCCOS's Center for Coastal Environmental Health and Biomolecular Research (CCEHBR) received an Outstanding Achievement Award from NOAA's National Marine Fisheries Service for their efforts in assessing ...
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Lecture Informs Public of Long Island's Coastal Il...

Populations of bay scallops have declined in Long Island's coastal bays. Credit: NOAA. NCCOS-funded researcher Dr. Christopher Gobler and his students recently reported on the nearly complete collapse of hard ...
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Some Coastal Fish May be Able to Adapt to an Acidi...

A new study shows that some coastal fish may be able to condition their offspring to tolerate seasonally acidifying environments, a result never shown before in wild fish populations. Experiments ...
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Marine Shellfish Get a 'One-Two Punch' from Acidif...

Recent research has shown that ocean acidification and low oxygen interact to harm early life stages of bay scallops (Argopecten irradians) and hard clams (Mercenaria mercenaria). The study, conducted by ...
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New Report Addresses Re-eutrophication and Hypoxia...

A new report aimed at Great Lakes policymakers calls for Lake Erie total phosphorus reductions almost 50 percent greater than previous recommendations. Recent total phosphorus reduction recommendations may not reduce ...
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Ocean Acidification Promotes Disruptive and Harmfu...

The general decline in ocean pH (i.e., more acidic conditions) from the increasing concentrations of carbon dioxide (CO2) is well documented. Also well documented are increased nutrients entering coastal waters ...
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Harmful Algal Bloom Symposium Highlights NCCOS Suc...

Last month's "Seventh Symposium on Harmful Algae in the U.S." held in Sarasota, Fla., highlighted an NCCOS project that developed an integrated alert system to monitor and detect toxic cyanobacteria ...
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Data & Publications

NCCOS Mapping: Comprehensive Seafloor Substrate Mapping and Model Validation in the New York Bight from 2017-10-20 to 2019-03-27 (NCEI Accession 0204737)

This collection of benthic habitat mapping data is an inventory of hydrographic multibeam sonar surveys, georeferenced benthic photographs and video clips, seafloor morphometric analysis, and predictive models all collected in the New York Wind Energy Areas (NYWEA) designated by the ...
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Niche of harmful alga Aureococcus anophagefferens revealed through ecogenomics

Harmful algal blooms (HABs) cause significant economic and ecological damage worldwide. Despite considerable efforts, a comprehensive understanding of the factors that promote these blooms has been lacking, because the biochemical pathways that facilitate their dominance relative to other phytoplankton within ...
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Nitrogenous Nutrients Promote the Growth and Toxicity of Dinophysis acuminata during Estuarine Bloom Events

Diarrhetic Shellfish Poisoning (DSP) is a globally significant human health syndrome most commonly caused by dinoflagellates within the genus Dinophysis. While blooms of harmful algae have frequently been linked to excessive nutrient loading, Dinophysis is a mixotrophic alga whose growth ...
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Nutrient-regulated transcriptome profiling of the brown tide forming Aureococcus anophagefferens

Long?SAGE (serial analysis of gene expression) was used to profile the transcriptome of the brown tide?forming alga, Aureococcus anophagefferens, under nutrient replete (control), and nitrogen (N) and phosphorus (P) deficiency to understand how this organism responds at the transcriptional level ...
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Ocean Acidification Accelerates the Growth of Two Bloom-Forming Macroalgae

While there is growing interest in understanding how marine life will respond to future ocean acidification, many coastal ecosystems currently experience intense acidification in response to upwelling, eutrophication, or riverine discharge. Such acidification can be inhibitory to calcifying animals, but ...
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Ocean and Coastal Acidification off New England and Nova Scotia

New England coastal and adjacent Nova Scotia shelf waters have a reduced buffering capacity because of significant freshwater input, making the region’s waters potentially more vulnerable to coastal acidification. Nutrient loading and heavy precipitation events further acidify the region’s poorly buffered coastal ...
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Ocean warming since 1982 has expanded the niche of toxic algal blooms in the North Atlantic and North Pacific oceans

Global ocean temperatures are rising, yet the impacts of such changes on harmful algal blooms (HABs) are not fully understood. Here we used high-resolution sea-surface temperature records (1982 to 2016) and temperature-dependent growth rates of two algae that produce potent ...
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Offspring sensitivity to ocean acidification changes seasonally in a coastal marine fish

Experimental assessments of species vulnerabilities to ocean acidification are rapidly increasing in number, yet the potential for short- and long-term adaptation to high CO2 by contemporary marine organisms remains poorly understood. We used a novel experimental approach that combined bi-weekly ...
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Physiological response and resilience of early life stage Eastern oysters (Crassostrea virginica) to past, present, and future ocean acidification

The Eastern oyster, Crassostrea virginica (Gmelin, 1791), is the second most valuable bivalve fishery in the USA and is sensitive to high levels of partial pressure of CO2 (pCO2). Here we present experiments that comprehensively examined how the ocean's past, ...
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Predicting spread of aquatic invasive species by lake currents

Knowledge of aquatic invasive species (AIS) dispersal is important to inform surveillance and management efforts to slow the spread of established invaders. We studied potential dispersal of invasive Eurasian ruffe Gymnocephalus cernua and golden mussel Limnoperna fortunei larvae in Lakes ...
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