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News

Southeast Alaska Tribes Trained in Minimizing Risk...

NCCOS scientists instructed environmental personnel from the southeast Alaska tribes in toxic phytoplankton sampling and identification techniques during the Fourth Workshop of the Southeast Alaska Tribal Toxins (SEATT) Partnership in ...
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Sensitivity of California Current Species to Ocean...

The waters along the west coast of North America are some of the most biologically productive in the world. Cool water from high latitudes flows southward from the edge of ...
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Predicting Red Tides in the Eastern Gulf of Mexico

NCCOS sponsored researchers with the University of South Florida and the Florida Fish and Wildlife Conservation Commission identified why red tide blooms of toxic Karenia brevis off the west coast ...
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Outlook for Impact of HABs on 2016 Crab Season in ...

On August 11, 2016 Dr. Raphael Kudela, with theUniversity of California Santa Cruz, testified on 'Harmful Algal Blooms and Domoic Acid: Latest Forecast and a Look Ahead to the Upcoming ...
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NCCOS Supported HAB Sensors Highlighted at NOAA Em...

NCCOS efforts to provide early warnings as well as effective monitoring and forecasting of harmful algal blooms through the use of the ImagingFlow Cytobot (microscope-in-a-can) and the Environmental Sample Processor ...
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For Marshes Impacted by Drought and Hurricanes, Sa...

A new NCCOS sponsored study published in Geophysical Research Letters found saltwater wetlands generally more resilient than freshwater wetlands. Using remote sensing to determine how saltwater flooding and high winds ...
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NCCOS Supports Environmental Cooperative Science C...

NCCOS scientists assisted with NOAA's Environmental Cooperative Science Center (ECSC) Center-wide Core Competency (CWCC) Short Course in Ocean Springs, MS, August 3-7, 2016. The goal of the ECSC's CWCC short ...
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New Funding to Protect Chesapeake Bay Oyster Aquac...

Last week, NCCOS approved funding for theVirginia Institute of Marine Scienceand a Virginia commercial oyster grower to examine the impacts of harmful algal blooms on oyster aquaculture during active blooms ...
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NCCOS Briefs Environmental Legislators on Harmful ...

Earlier this month, Dr. Quay Dortch (manager of the NCCOS Ecology and Oceanography of Harmful Algal Blooms Program) addressed theOceans and Coast sub-group of the National Caucus of Environmental Legislators ...
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NCCOS, Partners Prepare Harmful Algal Bloom Sensor...

NCCOS scientists and their partners have completed technical preparations for the first deployment of an Environmental Sample Processor (ESP) in the Great Lakes. The ESP - already in use on ...
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Data & Publications

Spatial and Temporal Variation in Brackish Wetland Seedbanks: Implications for Wetland Restoration Following Phragmites Control

Chesapeake Bay tidal wetlands are experiencing a broad-scale, aggressive invasion by the non-native, clonal grass Phragmites australis. The grass is often managed with herbicides in efforts to restore native plant communities and wildlife habitat. Management efforts, however, can act as ...
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Spatial-dynamics of Hypoxia and Fisheries: The Case of Gulf of Mexico Brown Shrimp

We analyze the Gulf of Mexico brown shrimp fishery and the potential impacts of a large seasonal area of hypoxia (low dissolved oxygen) that coincides with the peak shrimp season. A spatial-dynamic bioeconomic simulation embeds three biological impacts on shrimp: ...
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Stable isotopes in mollusk shells as indicators of benthic respiration and freshwater penetration on the Texas-Louisiana Shelf

To investigate the potential for mollusks to serve as proxies for benthic respiration and hypoxia in the Gulf of Mexico (GOM), five gastropod (Conus austini Rehder and Abbott, 1951 and Strombus alatus Gmelin, 1791) and five bivalve (Pteria colymbus Röding, ...
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Stand Age is Associated with Clonal Diversity, but Not Vigor, Community Structure, or Insect Herbivory in Chesapeake Bay Phragmites australis

Invasions are dynamic as both the invading organism and the invaded ecosystem change. Intrinsic changes to the invader (invasion process) can involve population level genetic and reproductive changes. Extrinsic changes (invasion effect) occur to the environment that is invaded (e.g., ...
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Standardization and Application of an Index of Community Integrity for Waterbirds in the Chesapeake Bay, USA

In recent decades, there has been increasing interest in the application of ecological indices to assess ecosystem condition in response to anthropogenic activities. An Index of Waterbird Community Integrity was previously developed for the Chesapeake Bay, USA. However, the scoring ...
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Statistical correction of lidar-derived digital elevation models with multispectral airborne imagery in tidal marshes

Airborne light detection and ranging (lidar) is a valuable tool for collecting large amounts of elevation data across large areas; however, the limited ability to penetrate dense vegetation with lidar hinders its usefulness for measuring tidal marsh platforms. Methods to ...
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Support for Integrated Ecosystem Assessments of NOAA’s National Estuarine Research Reserve System (NERRS): Assessment of Ecological Condition and Stressor Impacts in Subtidal Waters of the Sapelo Island National Estuarine Research Reserve

A study was conducted in June 2009 to assess the current status of ecological condition and potential human-health risks throughout subtidal estuarine waters of the Sapelo Island National Estuarine Research Reserve (SINERR) along the coast of Georgia. Samples were collected ...
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Suspended sediment projections in Apalachicola Bay in response to altered river flow and sediment loads under climate change and sea level rise

Suspended sediments, or total suspended solids (TSS), are an important factor for oyster habitat. While high concentrations of suspended sediments can cause a reduction of oyster density, some level of suspended sediment is required to supply oysters with necessary nutrients ...
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Synthesis in estuarine and coastal ecological research: What is it, why is it important and how do we teach it?

During the last two decades, there has been growing interest in the integration of existing ideas and data to produce new synthetic models and hypotheses leading to discovery and advancement in estuarine and coastal science. This essay offers an integrated ...
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Temporal responses of coastal hypoxia to nutrient loading and physical controls

The incidence and intensity of hypoxic waters in coastal aquatic ecosystems has been expanding in recent decades coincident with eutrophication of the coastal zone. Worldwide, there is strong interest in reducing the size and duration of hypoxia in coastal waters, ...
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