Impacts of residential fertilizer ordinances on Florida lacustrine water quality

Abstract Despite the assumption that residential fertilizer ordinances improve regional water quality, their impacts across space and time largely remain unknown. Here, we analyze changes in water quality of lakes throughout the State of Florida from 1987 to 2018, comparing trends in water quality p...

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Main Authors: Samuel J. Smidt, Diego Aviles, E. Fay Belshe, Alexander J. Reisinger
Format: Article
Language:English
Published: Wiley 2022-12-01
Series:Limnology and Oceanography Letters
Online Access:https://doi.org/10.1002/lol2.10279
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author Samuel J. Smidt
Diego Aviles
E. Fay Belshe
Alexander J. Reisinger
author_facet Samuel J. Smidt
Diego Aviles
E. Fay Belshe
Alexander J. Reisinger
author_sort Samuel J. Smidt
collection DOAJ
description Abstract Despite the assumption that residential fertilizer ordinances improve regional water quality, their impacts across space and time largely remain unknown. Here, we analyze changes in water quality of lakes throughout the State of Florida from 1987 to 2018, comparing trends in water quality parameters before and after implementation of county‐wide fertilizer ordinances. We used a large dataset of publicly collected water quality data and linear mixed models to analyze ordinance impacts on total nitrogen, total phosphorus, chlorophyll a, and Secchi depth across 160 lakes throughout Florida. We further analyze water quality impacts relative to the type of ordinance (winter fertilizer ban, summer ban, nonseasonal ban, no ban). We found fertilizer ordinances favorably impacted lacustrine water quality, and winter (dry season) fertilizer bans had the greatest effect across all water quality metrics. Results of this study can be used to support the effectiveness of fertilizer ordinances across humid tropical and subtropical climate regions.
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spelling doaj.art-1489291244864e9588fce64060559f572023-06-22T11:01:30ZengWileyLimnology and Oceanography Letters2378-22422022-12-017647548210.1002/lol2.10279Impacts of residential fertilizer ordinances on Florida lacustrine water qualitySamuel J. Smidt0Diego Aviles1E. Fay Belshe2Alexander J. Reisinger3Department of Soil, Water, and Ecosystem Sciences University of Florida Gainesville Florida USADepartment of Soil, Water, and Ecosystem Sciences University of Florida Gainesville Florida USADepartment of Soil, Water, and Ecosystem Sciences University of Florida Gainesville Florida USADepartment of Soil, Water, and Ecosystem Sciences University of Florida Gainesville Florida USAAbstract Despite the assumption that residential fertilizer ordinances improve regional water quality, their impacts across space and time largely remain unknown. Here, we analyze changes in water quality of lakes throughout the State of Florida from 1987 to 2018, comparing trends in water quality parameters before and after implementation of county‐wide fertilizer ordinances. We used a large dataset of publicly collected water quality data and linear mixed models to analyze ordinance impacts on total nitrogen, total phosphorus, chlorophyll a, and Secchi depth across 160 lakes throughout Florida. We further analyze water quality impacts relative to the type of ordinance (winter fertilizer ban, summer ban, nonseasonal ban, no ban). We found fertilizer ordinances favorably impacted lacustrine water quality, and winter (dry season) fertilizer bans had the greatest effect across all water quality metrics. Results of this study can be used to support the effectiveness of fertilizer ordinances across humid tropical and subtropical climate regions.https://doi.org/10.1002/lol2.10279
spellingShingle Samuel J. Smidt
Diego Aviles
E. Fay Belshe
Alexander J. Reisinger
Impacts of residential fertilizer ordinances on Florida lacustrine water quality
Limnology and Oceanography Letters
title Impacts of residential fertilizer ordinances on Florida lacustrine water quality
title_full Impacts of residential fertilizer ordinances on Florida lacustrine water quality
title_fullStr Impacts of residential fertilizer ordinances on Florida lacustrine water quality
title_full_unstemmed Impacts of residential fertilizer ordinances on Florida lacustrine water quality
title_short Impacts of residential fertilizer ordinances on Florida lacustrine water quality
title_sort impacts of residential fertilizer ordinances on florida lacustrine water quality
url https://doi.org/10.1002/lol2.10279
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AT efaybelshe impactsofresidentialfertilizerordinancesonfloridalacustrinewaterquality
AT alexanderjreisinger impactsofresidentialfertilizerordinancesonfloridalacustrinewaterquality