{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T18:23:28Z","timestamp":1758047008740,"version":"3.44.0"},"reference-count":58,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,4,30]],"date-time":"2025-04-30T00:00:00Z","timestamp":1745971200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["S10 OD028753"],"award-info":[{"award-number":["S10 OD028753"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100011247","name":"South Florida Water Management District","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100011247","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Env Quality"],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Five large\u2010scale treatment wetlands, the Everglades Stormwater Treatment Areas (STAs), have been constructed in south Florida to reduce phosphorus (P) transport into the Florida Everglades. While the STAs have successfully reduced P entering downstream waterbodies by at least 77%, concentrations in outflow waters still exceed target values in many cases. It has been well documented that P compounds have varying effects on biotic and abiotic processes due to differing stability, bioavailability, and transport characteristics, making it critical to understand the nature of different P pools for improving long\u2010term treatment wetland performance. Here, we used <jats:sup>31<\/jats:sup>P nuclear magnetic resonance (<jats:sup>31<\/jats:sup>P NMR) spectroscopy and P X\u2010ray absorption near edge spectroscopy (XANES) to characterize P in surface water particulates entering and leaving the STAs. The most abundant P component at the inflows, as determined via <jats:sup>31<\/jats:sup>P NMR, was orthophosphate (\u223c36% of P). XANES analyses of inflow waters indicated a lack of iron (Fe)\u2013P bonds and suggested the presence of organic P. Though not commonly documented in this magnitude, polyphosphates were detected in all samples, ranging up to 39% at the outflows. Very little orthophosphate was detected at the outflows, while XANES analysis indicated the presence of hydroxyapatite in STA\u20102, suggesting internal transformation processes within the wetland. These findings suggest that outflow particulate P may be largely biogenic and that inorganic P may be apatitic in nature, as seen in STA\u20102. While STA research is relevant for Everglades ecosystem health, the approaches addressed here are informative for treatment wetland research and stormwater P management globally.<\/jats:p>","DOI":"10.1002\/jeq2.70037","type":"journal-article","created":{"date-parts":[[2025,4,30]],"date-time":"2025-04-30T23:35:47Z","timestamp":1746056147000},"page":"1114-1127","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Spectroscopic investigation of the speciation of phosphorus forms entering and leaving Everglades Stormwater Treatment Areas"],"prefix":"10.1002","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4807-1014","authenticated-orcid":false,"given":"Caroline Buchanan","family":"Fisher","sequence":"first","affiliation":[{"name":"Soil, Water and Ecosystem Sciences University of Florida  Gainesville Florida USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lilit","family":"Vardanyan","sequence":"additional","affiliation":[{"name":"Soil, Water and Ecosystem Sciences University of Florida  Gainesville Florida USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7212-1635","authenticated-orcid":false,"given":"Jonathan D.","family":"Judy","sequence":"additional","affiliation":[{"name":"Soil, Water and Ecosystem Sciences University of Florida  Gainesville Florida USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,4,30]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.watres.2006.09.006"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/1751\u20107915.13730"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ecoleng.2023.107005"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq2017.07.0272"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ecoleng.2023.107043"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.2136\/sssaj2013.05.0187dgs"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.talanta.2004.12.024"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/es061843e"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0227489"},{"key":"e_1_2_10_11_1","unstructured":"CH2M Hill Engineers Inc. (2016).Technical memorandum: East Beach Water Control District data summary and evaluation.https:\/\/www.sfwmd.gov\/sites\/default\/files\/documents\/task3_deliv3-3_ebwcd_wq_data-analyses.pdf"},{"volume-title":"Biogenic phosphorus in palustrine wetlands: Sources and stabilization","year":"2010","author":"Cheesman A. 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