{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T20:49:52Z","timestamp":1775854192217,"version":"3.50.1"},"reference-count":37,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2006,11,1]],"date-time":"2006-11-01T00:00:00Z","timestamp":1162339200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Env Quality"],"published-print":{"date-parts":[[2006,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>A close relationship has been reported between sediment organic C (SedOC) content and its P sorption capacity (P<jats:sub>max<\/jats:sub>) and total P (TP) concentration. Phosphorus sorbed to organically complexed cations is a proposed explanation for this relationship. The objectives of this study were (i) to determine relationships between in\u2010stream wetland SedOC content and both the sediment's P<jats:sub>max<\/jats:sub> and TP concentrations, and (ii) to ascertain the role of both organically complexed and oxalate\u2010extractable cations on the sediment P<jats:sub>max<\/jats:sub> and TP values. The sediment's oxalate\u2010extractable Fe (Fe<jats:sub>ox<\/jats:sub>) and Al (Al<jats:sub>ox<\/jats:sub>) contents were determined using acidified ammonium oxalate, while sodium pyrophosphate was used to extract organically complexed cations (Al<jats:sub>pryo<\/jats:sub>, Ca<jats:sub>pyro<\/jats:sub>, Fe<jats:sub>pyro<\/jats:sub>, Mg<jats:sub>pyro<\/jats:sub>, and Mn<jats:sub>pyro<\/jats:sub>). Both the sediment's P<jats:sub>max<\/jats:sub> and TP contents were strongly correlated with its SedOC concentration (<jats:italic>r<\/jats:italic><jats:sup>2<\/jats:sup> &gt; 0.90, <jats:italic>P<\/jats:italic> &lt; 0.001). Only the Al<jats:sub>ox<\/jats:sub> contents were significantly correlated with TP and P<jats:sub>max<\/jats:sub>, suggesting that amorphous Al forms have an important role in P sorption. All five pyrophosphate\u2010extracted cations were significantly correlated with SedOC contents. Regression analyses showed that the Al<jats:sub>pyro<\/jats:sub> accounted for 88% of the variation in sediment P<jats:sub>max<\/jats:sub> values, whereas a combination of Al<jats:sub>pyro<\/jats:sub> and Ca<jats:sub>pyro<\/jats:sub> accounted for 98% of the variation in sediment TP concentrations. Additionally, Al and Ca chelated by SedOC compounds also have an important role in P binding and indicate that a linkage exists between the wetlands SedOC and P<jats:sub>max<\/jats:sub> content and its ability to accumulate TP. This study identified that two different mechanisms have significant roles in regulating P sorption by sediments in a southeastern Coastal Plain in\u2010stream wetland.<\/jats:p>","DOI":"10.2134\/jeq2006.0077","type":"journal-article","created":{"date-parts":[[2006,10,27]],"date-time":"2006-10-27T21:12:00Z","timestamp":1161983520000},"page":"1975-1982","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Phosphorus Sorption by Sediments in a Southeastern Coastal Plain In\u2010Stream Wetland"],"prefix":"10.1002","volume":"35","author":[{"given":"J. M.","family":"Novak","sequence":"first","affiliation":[{"name":"USDA\u2010ARS\u2010Coastal Plains Soil, Water and Plant Research Center 2611 West Lucas St. Florence SC 29501"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D. W.","family":"Watts","sequence":"additional","affiliation":[{"name":"USDA\u2010ARS\u2010Coastal Plains Soil, Water and Plant Research Center 2611 West Lucas St. Florence SC 29501"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,11]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.2136\/sssaj1999.6341019x"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00010694-197203000-00005"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2389.1968.tb01538.x"},{"key":"e_1_2_7_5_1","volume-title":"Soil chemistry","author":"Bohn H.","year":"1979"},{"key":"e_1_2_7_6_1","first-page":"147","volume-title":"Soils with variable charge","author":"Bowden J.W.","year":"1980"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11270-005-9032-7"},{"key":"e_1_2_7_8_1","volume-title":"Soil systems of North Carolina","author":"Daniels R.B.","year":"1999"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1023\/A:1006302600347"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00001304"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq1994.00472425002300020024x"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00033500"},{"key":"e_1_2_7_13_1","volume-title":"Standard methods for the examination of water and wastewater","author":"Greenberg A.E.","year":"1992"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/00010694-198111000-00004"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.13031\/2013.13333"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1672\/0277-5212(2004)024[0573:PRASOC]2.0.CO;2"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.2136\/sssaj1977.03615995004100020026x"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-8809(03)00142-7"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.4141\/cjss67-017"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.4141\/cjss66-003"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-2670(00)88444-5"},{"key":"e_1_2_7_22_1","first-page":"15","article-title":"Influence of summer storms on the solution geochemistry in a Coastal Plain hydrosequence","volume":"20","author":"Novak J.M.","year":"1994","journal-title":"Int. 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