Home > Stressor Impacts and Mitigation > Biological Effects of Contaminants and Nutrients

Projects

62

View Results

Products & Data

131

View Results

General Pages

2

View Results

Internships

3

View Results

Projects

Bioeffects Assessment in Bristol Bay, Alaska: Char...

Bristol Bay hosts the largest salmon fishery in the world, as well as a number of other important fisheries. We are studying sediment conditions that influence biodiversity and the distribution ...
Read More

Bioeffects Program Reports: Gulf of Mexico and Pue...

The Bioeffects program is a nationwide program of environmental assessment designed to describe the current status of environmental quality in our nation's estuarine and coastal areas. Field studies examine the ...
Read More

Bioeffects Program Reports: Kachemak Bay, Alaska

The Bioeffects program is a nationwide program of environmental assessment and related research designed to describe the current status of environmental quality in our nation's estuarine and coastal areas. Over ...
Read More

Bioeffects Program Reports: Mid/North Atlantic Reg...

The Bioeffects program is a nationwide program of environmental assessment designed to describe the current status of environmental quality in our nation's estuarine and coastal areas. Field studies examine the ...
Read More

Bioeffects Program Reports: Pacific Coast and Hawa...

Bioeffects Assessment Program identifies and assesses biological effects associated with contaminant exposure. Over forty intensive regional studies have been conducted since 1986 using the Sediment Quality Triad approach to determine ...
Read More

Bioeffects Program Reports: South Atlantic Region

The Bioeffects program is a nationwide program of environmental assessment designed to describe the current status of environmental quality in our nation's estuarine and coastal areas. Field studies examine the ...
Read More

Causes and Consequences of Hypoxic Events in Low-i...

We are investigating the processes that lead to hypoxia in Southern California’s lagoons, and identifying its ecological impacts. These small estuaries, which have tidal inlets that can close to the ...
Read More

Ciguatoxin Impacts on Foraging Behavior in Hawaiia...

Hawaiian monk seals, which are critically endangered, inhabit the Papahānaumokuākea Marine National Monument and the Hawaiian Islands. For the first time we have identified the algal toxin ciguatoxin, the cause ...
Read More

Coastal Ecosystem Susceptibility to Nutrient Pollu...

We studied the estuaries of the U.S. East Coast and Gulf of Mexico to determine which coastal areas are most vulnerable to changes in nutrient input. We modeled the environmental ...
Read More

Coastal Marine Mammal Stranding Assessments

We are studying stranded marine mammals to determine causes of death, anthropogenic sources of mortality, contaminant loads, diseases processes, and life history traits. We are sharing these assessments with resource ...
Read More

News

Smaller, More User-friendly Sensor Developed to De...

NCCOS-supported scientists and engineers have developed a smaller and more user-friendly low cost sensor that fishermen can use to detect and track the onset of low oxygen events off the ...
Read More

NOAA, Partners Evaluate Nitrogen Removal Potential...

Processing field samples at the Greenwich Yacht Club in Greenwich, Connecticut. Project partners left to right: Dr. Julie Rose (NEFSC), Dr. Skylar Bayer (NEFSC), Dr. Suzanne Bricker (NCCOS), Dr. Alhambra ...
Read More

NOAA Scientists Help Define Best Management Practi...

On September 10-11, 2019, Dr. Suzanne Bricker (NCCOS) and Dr. Julie Rose (NMFS) led part of a workshop that explored ways to promote and implement the use of oyster habitats ...
Read More

Testing the Feasibility of Robotic Gliders to Moni...

NCCOS has evaluated the use of underwater gliders to improve Gulf of Mexico hypoxic zone, also known as the dead zone, monitoring. This effort resulted in the development of a ...
Read More

With Second Workshop, NCCOS Continues Focus on Hyp...

Credit S. Brandt, OSU. Building on results of an initial 2017 workshop, a second advisory panel workshop concerning the effects of low dissolved oxygen in water (hypoxia) was held June ...
Read More

NOAA Forecasts Very Large ‘Dead Zone’ for Gulf of ...

NCCOS scientists are forecasting this summer’s Gulf of Mexico hypoxic zone or "dead zone"—an area of low to no oxygen that can kill fish and other marine life—will be approximately ...
Read More

U.S. Coast Guard Tours NCCOS’s Charleston La...

USCG members view coral in NCCOS Labs. Credit NOAA/NCCOS. Earlier this month, NCCOS's Charleston, South Carolina, laboratories hosted the Prevention and Response Departments from the U.S. Coast Guard (USCG) Sector ...
Read More

New Report Summarizes Magnitude and Effects of Con...

NOAA National Status & Trends Bioeffects Program: A Summary of the Magnitude and Effects of Contaminants in the Nation's Coastal Waters report cover. Credit: NOAA. The NCCOS Bioeffects Program has ...
Read More

NCCOS Hosts Ecotoxicology Conference in South Caro...

Last month, NCCOS hosted the 28th Annual Carolinas Society of Environmental Toxicology and Chemistry (SETAC) Meeting in Charleston, South Carolina. NCCOS's Tod Leighfield and Steve Morton helped kick off the ...
Read More

Exploring Airborne Health Risks from Cyanobacteria...

After a November 2018 finding that one type of airborne blue-green algae toxin was likely inhaled deep into human lungs, Florida Gulf Coast University (FGCU) researchers, supported by NOAA’s National ...
Read More

Products

Maps, Tools & Applications

No posts found.

Data & Publications

Assessment of crude oil and a dispersant in a simulated Spartina alterniflora salt marsh ecosystem

NOAA's Environmental Sensitivity Index (ESI) lists saltmarshes along the Atlantic and Gulf Coasts as the most vulnerable habitat to oil spills. As a result of the Deepwater Horizon offshore drilling rig accident, more that 200 million gallons of crude oil ...
Read More

Assessment of ecological condition and stressor impacts within Great Lakes rivers and harbors: Milwaukee estuary, Wisconsin

The Great Lakes, the largest surface freshwater resource in the world, has long been recognized for its valuable natural resources and services vital to the wellbeing of our nation. In 2012 a probabilistic sampling component was included under an expanded ...
Read More

Assessment of Hydrocarbon Carryover Potential for Six Field Cleaning Protocols

Sample collection in the field faces many challenges including, but not limited to, the equipment and materials that can be brought safely into the field. Field teams will often reuse sample collection gear by cleaning it between sampling sites to ...
Read More

Assessment of hypoxia-inducible factor-1α mRNA expression in mantis shrimp as a biomarker of environmental hypoxia exposure

Efforts to assess the ecological impacts of the marked increase in coastal hypoxia worldwide have been hampered by a lack of biomarkers of hypoxia exposure in marine benthic organisms. Here, we show that hypoxia-inducible factor-1α (HIF-1α) transcript levels in the ...
Read More

Baseline assessment of Faga’alu Watershed: a ridge to reef assessment in support of sediment reduction activities and future evaluation of their success

The primary purpose of this document is to provide local and federal partners with baseline information and survey methods to allow for continued monitoring efforts to evaluate the effectiveness of management actions taken at the Samoa Maritime quarry in Faga'alu, ...
Read More

Benthic habitat contaminant status and sediment toxicity in Bristol Bay, Alaska

A baseline environmental characterization of the northeastern reaches of Bristol Bay, Alaska was conducted using the National Status and Trends’ sediment quality triad approach. The study area was subdivided into 6 strata based on geophysical and hydrodynamic patterns (the upper ...
Read More

Carbon Dynamics on the Louisiana Continental Shelf and Cross-Shelf Feeding of Hypoxia

Large-scale hypoxia regularly develops during the summer on the Louisiana continental shelf. Traditionally, hypoxia has been linked to the vast winter and spring nutrient inputs from the Mississippi River and its distributary, the Atchafalaya River. However, recent studies indicate that ...
Read More

Changes in Mississippi River Water Quality this Century: Implications for Coastal Food Webs

In this article, we quantify some important changes in water quality for the Lower Mississippi River for this century and then suggest their causes and possible impact ...
Read More

Characterization of Benthic Habitats and Contaminant Assessment in Kenai Peninsula Fjords and Bays

A baseline environmental characterization of the embayments and fjords on the Kenai Peninsula, Alaska was conducted using a sediment quality approach based on sediment chemistry, and benthic invertebrate community structure. Sediment toxicity and resident fish body burdens were also assessed ...
Read More

Characterization of three IGFBPs in Atlantic croaker and their regulation during hypoxic stress: potential mechanisms of their upregulation by hypoxia

Insulin-like growth factor-binding proteins (IGFBPs) play important roles in downregulating IGF activity and growth and development in vertebrates under hypoxic stress. However, the mechanisms of hypoxia regulation of IGFBPs in teleost fishes are unknown. The involvement of reactive oxygen species ...
Read More

General Pages

No posts found.

NOAA Internship Opportunities

No posts found.
Query time: 0.02 secs
NCCOS-with-tag-to-side-bld

NCCOS delivers ecosystem science solutions for stewardship of the nation’s ocean and coastal resources, in direct support of NOS priorities, offices, and customers, and to sustain thriving coastal communities and economies.

National Centers for Coastal Ocean Science
1305 East West Highway, Rm 8110
Silver Spring, MD 20910
Phone: (240) 533-0300 / Fax: (301) 713-4353
Email: nccos.webcontent@noaa.gov

    Sign Up for Our Quarterly Newsletter