PMID: 11922063Apr 2, 2002Paper

Mitigation of chlorpyrifos runoff using constructed wetlands

Chemosphere
M T MooreJ H Rodgers

Abstract

Constructed wetlands have been proposed as a potential best management practice (BMP) to mitigate effects of pesticide-associated agricultural runoff. Wetland mesocosms (14 m x 59-73 m) were amended with chlorpyrifos to simulate a storm runoff event at concentrations of 73, 147 and 733 microg/l. Water, sediment and plant samples collected weekly for 12 weeks indicated that chlorpyrifos rapidly sorbed to sediment and plant material, with approximately 47-65% of measured chlorpyrifos mass retained within the first 30-36 m of wetland mesocosms. Of the measured mass, approximately 55% and 25% were retained by sediments and plants, respectively. A field-scale evaluation of a constructed wetland's mitigation capability was performed in the Lourens River watershed of Cape Town, South Africa. Results indicate that the wetland was able to retain and considerably decrease the concentration (and hence toxicity) of chlorpyrifos and suspended sediment entering the receiving waterbody (Lourens River). This research provides fundamental answers concerning constructed wetland capabilities that are necessary for constructing field-scale systems within agricultural watersheds.

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Citations

Apr 15, 2010·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·George F Antonious
Mar 22, 2007·Bulletin of Environmental Contamination and Toxicology·M T MooreS Smith
May 4, 2007·Bulletin of Environmental Contamination and Toxicology·M T MooreS Smith
Jun 30, 2007·Bulletin of Environmental Contamination and Toxicology·S SmithM T Moore
May 22, 2009·Archives of Environmental Contamination and Toxicology·M T MooreS Smith
Feb 24, 2011·Archives of Environmental Contamination and Toxicology·Ilaria BernabòElvira Brunelli
Dec 13, 2012·Environmental Monitoring and Assessment·Sebastian StehleRalf Schulz
May 10, 2012·International Journal of Phytoremediation·Keum Young LeeSharon L Doty
Aug 29, 2013·Environmental Engineering Science·Justin T JasperKara L Nelson
Jul 9, 2014·Environmental Science & Technology·Elodie Maillard, Gwenaël Imfeld
Feb 12, 2013·Bulletin of Environmental Contamination and Toxicology·David ElsaesserRalf Schulz
Dec 29, 2012·Journal of Hazardous Materials·M Ekrem KarpuzcuWilliam T Stringfellow
Mar 31, 2015·Environmental Science and Pollution Research International·Romain ValléeDavid Billet
Sep 19, 2015·Environmental Science and Pollution Research International·Juliette GaillardDamien Banas
Jan 29, 2010·Chemosphere·Seyoum Yami Gebremariam, Marc W Beutel
Dec 24, 2008·Chemosphere·Mathew R Rogers, William T Stringfellow
Jun 26, 2007·The Science of the Total Environment·Stefan ReichenbergerHans-Georg Frede
Jun 19, 2008·Pest Management Science·Robert Kröger, Matt T Moore
Mar 30, 2011·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·Ilaria BernabòElvira Brunelli
Feb 11, 2011·Environmental Toxicology and Chemistry·Matthew T MooreGeorge M Huddleston
Dec 7, 2005·Chemosphere·Michael T RoseIvan R Kennedy
Dec 2, 2014·International Journal of Phytoremediation·Andrea PetroselliTatiana Marras
May 15, 2015·The Science of the Total Environment·Melissa MorselliAntonio Di Guardo
Aug 18, 2004·Environmental Pollution·V de VlamingN J Richard
Dec 29, 2009·Environmental Pollution·Yuzhou Luo, Minghua Zhang
Sep 16, 2008·Environmental Pollution·M T MooreE R Bennett
Jun 13, 2012·The Science of the Total Environment·Ruth Marina Agudelo CGustavo Peñuela

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