How green is my river? A new paradigm of eutrophication in rivers

The Science of the Total Environment
John HiltonJ Iwan Jones

Abstract

Although the process of eutrophication is reasonably well understood in lakes, there is currently no conceptual understanding of how eutrophication develops in rivers. This issue is addressed here. A review of the main processes controlling the development of eutrophication in lakes has been carried out as a precursor to considering the effect in rivers. The importance of hydraulic flushing in controlling algal growth suggests that short-retention-time rivers will show different effects compared to long retention-time, impounded rivers. The latter are likely to operate like lakes, moving from macrophyte domination to phytoplankton domination whereas the former move to benthic and filamentous algal domination. Subsequently, a conceptual model of the development of eutrophic conditions in short-retention-time rivers is developed. Although there is general agreement in the literature that an increase in nutrients, particularly phosphorus, is a pre-requisite for the eutrophic conditions to develop, there is little evidence in short-retention-time rivers that the plant (macro and micro) biomass is limited by nutrients and a good case can be made that the interaction of hydraulic drag with light limitation is the main controlling fac...Continue Reading

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Citations

Jun 25, 2013·The Science of the Total Environment·M J FeioC Vieira
Jan 23, 2014·Trends in Plant Science·Andrew R LeitchGuy Woodward
Feb 20, 2014·Environmental Monitoring and Assessment·Andrew M RayAmy M Marcarelli
Jul 28, 2013·Environmental Monitoring and Assessment·Bárbara Medeiros FonsecaAdriana Cristina Marinho Fernandes
Sep 10, 2014·Environmental Monitoring and Assessment·Bárbara Medeiros Fonseca, Luciana de Mendonça-Galvão
Jul 24, 2008·Environmental Monitoring and Assessment·Andréa Oliveira Souza da CostaEsly Ferreira da Costa
Feb 22, 2012·Environmental Science and Pollution Research International·Jun HuSixin Li
Mar 16, 2013·Journal of Environmental Management·Barry O'DwyerDavid Taylor
Nov 10, 2012·The Science of the Total Environment·M FlouryY Souchon
May 5, 2010·Ecological Applications : a Publication of the Ecological Society of America·James B HeffernanMatthew J Cohen
Dec 20, 2011·The Science of the Total Environment·Carles IbáñezNarcís Prat
Nov 1, 2011·The Science of the Total Environment·M J BowesA C Singer
Mar 25, 2011·The Science of the Total Environment·S GreeneP Jordan
Mar 23, 2011·The Science of the Total Environment·Elizabeth J Palmer-FelgateCharlie J Stratford
Dec 1, 2009·The Science of the Total Environment·I P HolmanM Rivas-Casado
Jun 10, 2009·The Science of the Total Environment·Andrew C JohnsonRichard J Williams
Nov 20, 2015·The Science of the Total Environment·Annette Baattrup-PedersenMatthew T O'Hare
Dec 20, 2008·The Science of the Total Environment·Michael J BowesRuth Barden
Sep 23, 2008·The Science of the Total Environment·P J A Withers, H P Jarvie
Jul 23, 2008·The Science of the Total Environment·Paul FranklinPaul Whitehead
Sep 19, 2015·The Science of the Total Environment·Matteo BalderacchiMarco Trevisan
Jun 1, 2008·Journal of Phycology·Annelies J VeraartSergi Sabater
May 16, 2006·The Science of the Total Environment·Andrew J Wade
Apr 22, 2006·The Science of the Total Environment·Colin NealHeather Wickham
Jul 24, 2012·The Science of the Total Environment·David G MilledgeSim M Reaney
Mar 11, 2008·Chemosphere·William T Stringfellow

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