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Effects of nutrient enrichment in the nation's estuaries: A decade of change
This report provides an assessment of eutrophic conditions for 141 U.S. estuaries. The report was based on data and information provided by scientists and experts from around the country. Results from the assessment show that two-thirds of the estuaries evaluated exhibited moderate to high levels of eutrophication. Report production was a collaborative effort between Suzanne Bricker (NOAA NCCOS), EcoCheck (NOAA-UMCES Partnership) and IAN. You can also access the individual chapters from the NCCOS website.

NB: This PDF is 260MB - please right click and download rather than viewing online.

   
National Estuarine Eutrophication Assessment Update
In 1999, NOAA released the first assessment on the effects of nutrient enrichment in the nation’s estuaries - National Estuarine Eutrophication Assessment (NEEA) report. This report has become the founding document for the comparison of US estuarine eutrophication status, heavily used at all levels of management and policy development. The potential for rapid changes in eutrophication status and a requirement for key questions to be answered has been the impetus for updating and enhancing the report by the end of 2005.

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National Estuarine Eutrophication Assessment: Effects of Nutrient Enrichment in the Nation's Estuaries 1999
This report is the culmination of almost seven years of effort to assess comprehensively the scale, scope, and characteristics of nutrient enrichment and eutrophic conditions in the nation’s estuaries. It provides the most comprehensive assessment of this issue ever assembled for our nation’s estuaries, and the results represent a significant contribution to the development of a national strategy to control nutrient enrichment problems affecting U.S. coastal waters. With this information, we have the opportunity to make a real difference in the actions this nation takes to address this important issue.
An integrated methodology for assessment of estuarine trophic status
Bricker, S.B. , Ferreira, J.G., Simas, T.
Ecological Modelling 169 (2003), 39–60.

This paper describes an integrated methodology for the Assessment of Estuarine Trophic Status (ASSETS), which may be applied comparatively to rank the eutrophication status of estuaries and coastal areas, and to address management options.
National Estuarine Eutrophication Assessment Update
Proceedings of a workshop September 4-5, 2002
Patuxent National Wildlife Research Refuge, Laurel, Maryland

The overall intent of the workshop was to discuss the design of a long-term monitoring and assessment program to address nutrient over-enrichment and consequent water quality problems in estuaries and coastal waters.
NOAA's Estuarine Eutrophication Survey Volume 1:
South Atlantic Region (1996)
This report presents the results of ORCA's Estuarine Eutrophication Survey for 21 estuaries of the South Atlantic region of the United States.
NOAA's Estuarine Eutrophication Survey Volume 2:
Mid-Atlantic Region (1997)
This report presents the results of ORCA's Estuarine Eutrophication Survey for 22 estuaries of the Mid-Atlantic region of the United States.
NOAA's Estuarine Eutrophication Survey Volume 3:
North Atlantic Region (1997)
This report presents the results of ORCA’s Estuarine Eutrophication Survey for 18 estuaries of the North Atlantic region of the United States.
NOAA's Estuarine Eutrophication Survey Volume 4:
Gulf of Mexico Region (1997)
This report presents the results of ORCA’s Estuarine Eutrophication Survey for 37 estuaries of the Gulf of Mexico region of the United States, plus the Mississippi/ Atchafalaya River Plume.
NOAA's Estuarine Eutrophication Survey Volume 5:
Pacific Coast Region (1998)
This report presents the results of ORCA’s Estuarine Eutrophication Survey for 38 estuaries of the Pacific Coast region of the United States.

Associated Websites

NOAA National Centers for Coastal Ocean Science (NCCOS)
Portuguese Institute of Marine Research (IMAR)
Assessment of Estuarine Trophic Status (ASSETS)


May 2006 Workshop Presentations

pdf icon NEEA Introduction

pdf icon NEEA Update

pdf icon NEEA Update Progress

pdf icon IOOS Update

pdf icon Typology and the NEEA

pdf icon Group 2 Recommendations

pdf icon Pacific Coast Recommendations

pdf icon National Estuarine Eutrophication Assessment Update Workshop

pdf icon Human Use Indicators of Eutrophication: Recreational Fishing in Barnegat Bay

pdf icon NEEA Draft Results

pdf icon NEEA Summary