PMID: 16509310Mar 3, 2006Paper

Organic phosphorus sequestration in subtropical treatment wetlands

Environmental Science & Technology
Benjamin L TurnerJana M Newman

Abstract

Diffuse phosphorus pollution is commonly remediated by diverting runoff through treatment wetlands to sequester phosphorus into soil layers. Much of the sequestered phosphorus occurs in organic forms, yet our understanding of its chemical nature is limited. We used NaOH-EDTA extraction and solution 31P NMR spectroscopy to speciate organic phosphorus sequestered in a large treatment wetland (STA-1W) in Florida, USA. The wetland was constructed on previously farmed peat and was designed to remove phosphorus from agricultural runoff prior to discharge into the Everglades. Unconsolidated benthic floc that had accumulated during the 9-year operation of the wetland was sampled along transects through two connected cells dominated by cattail (Typha dominigensis Pers.) and an additional cell colonized by submerged aquatic vegetation, including southern water nymph (Najas guadalupensis(Spreng.) Magnus) and coontail (Ceratophyllum demersum L.). Organic phosphorus was a greater proportion of the sequestered phosphorus in the cattail marsh compared to the submerged aquatic vegetation wetland, but occurred almost exclusively as phosphate diesters and their alkaline hydrolysis products. Itwas therefore markedly different from the organic pho...Continue Reading

References

Nov 14, 1997·The Science of the Total Environment·P Vaithiyanathan, C J Richardson
May 18, 2001·Nature·B L Turner, P M Haygarth
Jul 31, 2001·Journal of Environmental Quality·W F DeBuskK R Reddy
Apr 24, 2003·Journal of Environmental Quality·W F DeBusk, K R Reddy
Nov 13, 2004·Journal of Environmental Quality·R Corstanje, K R Reddy
Sep 10, 2005·Journal of Environmental Quality·Benjamin L Turner, Susan Newman
Oct 31, 2008·Talanta·Benjamin L TurnerSusan Newman

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Citations

Mar 20, 2012·Environmental Science & Technology·Rasha HamdanWilliam T Cooper
Feb 21, 2016·The Science of the Total Environment·Martin A StapanianSteven E Monteith
Feb 3, 2016·Environmental Science and Pollution Research International·Wenqiang ZhangBaoqing Shan
Oct 4, 2017·Environmental Science and Pollution Research International·Yuan HezhongZhang Enlou
May 7, 2011·Journal of Environmental Quality·Fiona KizewskiDean Hesterberg
Apr 11, 2018·Journal of Environmental Quality·R K Bhomia, K R Reddy
Sep 14, 2010·Journal of Environmental Quality·Alexander W CheesmanK Ramesh Reddy
Dec 12, 2020·Journal of Agricultural and Food Chemistry·Mina SolhtalabLudmilla Aristilde
Mar 21, 2008·Environmental Science & Technology·Zhen-Hu HuHan-Qing Yu
Nov 26, 2010·Environmental Science & Technology·Alexander W CheesmanK Ramesh Reddy
Nov 21, 2020·Environmental Science & Technology·Yaxin ZhengXiaomeng Li
Aug 3, 2021·Journal of Environmental Quality·Bobby G DuerschJ William Louda
Dec 12, 2019·Environmental Science & Technology·Xinfei GeChristine V Putnis

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