Simulated response of St. Joseph Bay, Florida, seagrass meadows and their belowground carbon to anthropogenic and climate impacts

Lebrasse, Marie Cindy; Schaeffer, Blake A.; Zimmerman, Richard C.; Hill, Victoria; Coffer, Megan M.; Whitman, Peter J.; Salls, Wilson; Graybill, David D.; Osburn, Christopher L.

doi:10.1016/j.marenvres.2022.105694

Cited by 3 publications

(2 citation statements)

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“…34 While Florida comprises large expanses of natural coastlines and protected areas, increasing population growth and coastal development pose a continued threat to water quality and thus to the biodiversity of Florida's ecosystems. 35,36 Despite increased knowledge of PFAS pollution in Florida's coastal waterways, many areas with high contaminant burdens remain understudied. Previous research has quantified PFAS in sediments and surface water.…”

Section: Introductionmentioning

confidence: 99%

“…Florida is the third most populous state in the United States and is home to a diverse range of wildlife and plant species . While Florida comprises large expanses of natural coastlines and protected areas, increasing population growth and coastal development pose a continued threat to water quality and thus to the biodiversity of Florida’s ecosystems. , Despite increased knowledge of PFAS pollution in Florida’s coastal waterways, many areas with high contaminant burdens remain understudied. Previous research has quantified PFAS in sediments and surface water. ,− However, the levels of these highly persistent compounds in AV, especially in Florida’s increasingly urbanized estuaries, remains unknown.…”

Section: Introductionmentioning

confidence: 99%

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Aquatic Vegetation, an Understudied Depot for PFAS

Griffin

Hall

Brown

et al. 2023

J. Am. Soc. Mass Spectrom.

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Per- and polyfluoroalkyl substances (PFAS) are a class of manufactured chemicals that have been extensively utilized worldwide. We hypothesize that the presence, uptake, and accumulation of PFAS in aquatic vegetation (AV) is dependent upon several factors, such as the physiochemical properties of PFAS and proximity to potential sources. In this study, AV was collected from eight locations in Florida to investigate the PFAS presence, accumulation, and spatiotemporal distribution. PFAS were detected in AV at all sampling locations, with a range from 0.18 to 55 ng/g sum (∑)PFAS. Individual PFAS and their concentrations varied by sampling location, time, and AV species. A total of 12 PFAS were identified, with the greatest concentrations measured in macroalgae. The average bioconcentration factor (BCF) among all samples was 1225, indicating high PFAS accumulation in AV from surface water. The highest concentrations, across all AV types, were recorded in the Indian River Lagoon (IRL), a location with a history of elevated PFAS burdens. The present study represents the first investigation of PFAS in naturally existing estuarine AV, filling an important gap on PFAS partitioning within the environment, as well as providing insights into exposure pathways for aquatic herbivores. Examining the presence, fate, and transport of these persistent chemicals in Florida’s waterways is critical for understanding their effect on environmental, wildlife, and human health.

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Section: Introductionmentioning

confidence: 99%