PMID: 15224737Jul 1, 2004Paper

Solving problems resulting from solutions: evolution of a dual nutrient management strategy for the eutrophying Neuse River Estuary, North Carolina

Environmental Science & Technology
Hans W PaerlMartin E Lebo

Abstract

In estuaries, phosphorus (P) and nitrogen (N) inputs generally control freshwater and saltwater primary production, respectively. Improved wastewater P removal and a P-detergent ban in the late 1980s decreased P loading to the nutrient over-enriched Neuse River Estuary, NC, without a contemporaneous reduction in N loading. This led to a decrease in upstream freshwater phytoplankton production and a reduction in nuisance algal blooms. While this nutrient management approach appeared to be effective in reducing the symptoms of freshwater eutrophication, it may have also diminished the upstream algal N filter, promoting N enrichment, relative to P enrichment, and eutrophication of the more saline downstream N-limited waters. Recent N controls implemented by the State of North Carolina should help address the problem. These findings underscore the need for watershed- and basin-scale, dual nutrient (N and P) reduction strategies that consider the entire freshwater--marine continuum as well as hydrologic variability (e.g., hurricanes, floods, droughts) when formulating long-term controls of estuarine eutrophication.

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Citations

Nov 11, 2011·Environmental Science & Technology·William M LewisHans W Paerl
Sep 28, 2013·PloS One·Benoit MialetEvelyne Buffan-Dubau
Feb 28, 2009·Trends in Ecology & Evolution·Val H Smith, David W Schindler
Jan 24, 2006·Marine Pollution Bulletin·David A Flemer, Michael A Champ
Jun 22, 2016·Environmental Monitoring and Assessment·Kehinde O OlayinkaBabajide I Alo
Apr 12, 2015·The Science of the Total Environment·Sorcha Ní LongphuirtDagmar Brigitte Stengel
Dec 10, 2016·The ISME Journal·Weida GongAdrian Marchetti
Mar 29, 2014·Environmental Science. Processes & Impacts·B D ShoenerJ S Guest
Jun 12, 2018·Annual Review of Marine Science·Katja Fennel, Jeremy M Testa
Oct 31, 2019·Environmental Monitoring and Assessment·Jing YangJia Feng
Jul 1, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Yuan ZhangJiqiang Lyu
Jul 11, 2006·Journal of Environmental Quality·Scott H EnsignMichael F Piehler
Feb 1, 2021·Environmental Science and Pollution Research International·Hailu Sheferaw Ayele, Minaleshewa Atlabachew
Oct 31, 2017·Environmental Science & Technology·Alexandria G HounshellHans W Paerl
Dec 13, 2018·Environmental Science & Technology·Anna C FeddersJeremy S Guest
Jan 30, 2007·Environmental Science & Technology·Jason B SylvanJames W Ammerman
Jan 26, 2007·Chemical Reviews·Kenneth S JohnsonWilliam J Showers
Jun 2, 2005·Environmental Science & Technology·K H ReckhowS J McBride
Jan 12, 2008·Environmental Science & Technology·Donald Scavia, Kristina A Donnelly
Oct 6, 2005·Environmental Science & Technology·Anssi V Vahätalo, Richard G Zepp
Nov 6, 2004·Science·Donald F Boesch
Feb 21, 2009·Science·Daniel J ConleyGene E Likens

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