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News

Modeling Efforts Aim to Improve Chesapeake Bay Sea...

Ecological forecasts help resource managers better understand their management options, the likely effects of their decisions, and consequences of their actions. In the Chesapeake Bay, deep portions provide more habitats ...
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Hardened Shorelines Reduce Fish Egg Abundance in D...

Atlantic silversides (Menidia menidia) prefer to deposit their eggs on native salt marsh habitat but not invasive salt marsh species, beaches, or shorelines hardened by bulkheads or rip-rap, according to ...
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Hardening of Shorelines in the Mid-Atlantic Focus ...

Management agencies are struggling to balance the pressures of coastal development with theconservation and protection of the coastal environment. Representatives of several managementgroups convened on February 29 to review progress ...
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Study Shows Smaller Late Summer Dead Zone in the C...

Sixty years of monitoring data analyzed by scientists sponsored by the National Centers for Coastal Ocean Science has revealed a smaller dead zone in late summer in the Chesapeake Bay ...
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New Pollution Scoring System Helps Identify Top Ta...

New published research by scientists at the National Centers for Coastal Science demonstrates an improved approach for calculating and comparing bioeffects levels in different places. Using a single numerical score, ...
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Data & Publications

Movement of Juvenile Weakfish (Cynoscion regalis) and Spot (Leistomus xanthurus) in Relation to Diel-cycling Hypoxia in an Estuarine Tributary: Assessment Using Acoustic Telemetry

Fish movement and the spatial and temporal dynamics of hypoxia determine hypoxia exposure and the effect of poor water quality on nursery habitat function. Although water quality criteria for dissolved oxygen (DO) are well defined, hypoxia exposure of juvenile estuary-dependent ...
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National Centers for Coastal Ocean Science (NCCOS) long-term monitoring: Regional Ecological Assessments and National Benthic Inventory (NCEI Accession 0202842)

The NCCOS Regional Ecological Assessments (REA) and NOAA National Benthic Inventory (NBI) include observations of water quality, sediment quality, fish and shellfish tissue chemical contaminants, and benthic infaunal abundance obtained from studies conducted since 1991 by NOAA and partnering institutions ...
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National Coastal Condition Report IV

This document contains the results and analysis from the fourth national coastal assessment, published in 2012 ...
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Natural and human-induced hypoxia and consequences for coastal areas: synthesis and future development

Hypoxia has become a world-wide phenomenon in the global coastal ocean and causes a deterioration of the structure and function of ecosystems. Based on the collective contributions of members of SCOR Working Group #128, the present study provides an overview ...
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NCCOS Assessment: Modeling At-Sea Density of Marine Birds to Support Atlantic Marine Renewable Energy Planning (NCEI Accession 0176682)

This dataset provides seasonal spatial rasters of median predicted long-term (1978-2016) relative density of 47 marine bird species throughout the US Atlantic Outer Continental Shelf (OCS) and adjacent waters at a 2-km spatial resolution. Three indications of the uncertainty associated ...
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NCCOS Long-term Monitoring Project: Regional Ecological Assessments and National Benthic Inventory

NOAA's National Centers for Coastal Ocean Science (NCCOS) works in partnership with other federal agencies and coastal states to conduct assessments of ecological condition and potential stressor impacts throughout our Nation’s estuaries, coastal-ocean waters, and NOAA protected areas; carry out ...
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Nutrient budgets and management actions in the Patuxent River estuary, Maryland

Multi-year nitrogen (N) and phosphorus (P) budgets were developed for the Patuxent River estuary, a seasonally stratified and moderately eutrophic tributary of Chesapeake Bay. Major inputs (point, diffuse, septic, and direct atmospheric) were measured for 13 years during which, large ...
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Oxygen – Dynamics and biogeochemical consequences

Dissolved oxygen is a keystone molecule that is involved in the production, consumption, and cycling of organic matter and inorganic elements in the aquatic environment. The majority of multicellular plants and animals in coastal aquatic ecosystems require oxygen for proper ...
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Potential climate-change impacts on the Chesapeake Bay

We review current understanding of the potential impact of climate change on the Chesapeake Bay. Scenarios for CO2 emissions indicate that by the end of the 21st century the Bay region will experience significant changes in climate forcings with respect ...
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Sediment Flux Modeling: Calibration and application for coastal systems

Benthic–pelagic coupling in shallow estuarine and coastal environments is an important mode of particle and solute exchange and can influence lag times in the recovery of eutrophic ecosystems. Links between the water column and sediments are mediated by particulate organic ...
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