Dataset Information

Per- and polyfluoroalkyl substances in two different populations of northern cardinals.

ABSTRACT: The northern cardinal (Cardinalis cardinalis) is a good indicator species for environmental contaminants because it does not migrate and its range covers a diversity of habitats, including metropolitan Atlanta, GA and the geographically isolated Hawaiian Islands. In addition, the cardinal is often found near people's homes, making it likely to be exposed to the same outdoor elements, including soil, groundwater, and air, that surrounding humans experience. In this study, blood serum concentrations of 12 per- and polyfluoroalkyl substances (PFASs) were measured in 40 cardinals from Atlanta and 17 cardinals from the Big Island (Hawaii), HI. We observed significantly higher median concentrations of four PFASs and significantly higher detection frequencies of seven PFASs in the cardinals from Atlanta, relative to the PFAS median concentrations and detection frequencies observed in the cardinals from Hawaii (α = 0.05). Among the PFASs measured, perfluorooctane sulfonate (PFOS) was observed in the highest concentrations. A linear regression model controlling for sex, age, and airport distance did not explain PFOS variation within the Atlanta samples, but a similar model explained 90% of PFOS variation within the Hawaii samples. To our knowledge, these are the first measurements of PFASs in northern cardinals.

SUBMITTER: Russell MC

PROVIDER: S-EPMC6739830 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Per- and polyfluoroalkyl substances in two different populations of northern cardinals.

Russell Marie C MC Newton Seth R SR McClure Katherine M KM Levine Rebecca S RS Phelps Lara P LP Lindstrom Andrew B AB Strynar Mark J MJ

Chemosphere 20190122

The northern cardinal (Cardinalis cardinalis) is a good indicator species for environmental contaminants because it does not migrate and its range covers a diversity of habitats, including metropolitan Atlanta, GA and the geographically isolated Hawaiian Islands. In addition, the cardinal is often found near people's homes, making it likely to be exposed to the same outdoor elements, including soil, groundwater, and air, that surrounding humans experience. In this study, blood serum concentratio ...[more]

PMID: 30710759

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Project description:Per- and polyfluoroalkyl substances (PFAS) are widely used in commercial products such textiles, firefighting foams, and surface coatings across the globe and some PFAS are known to be bioaccumulative in aquatic species. The ultimate sink for numerous anthropogenic chemicals is the sediments in lakes, rivers, and oceans. To understand the relationship between sediment and aquatic species, a literature search was performed and biota-sediment accumulation factors (BSAFs) data for 17 taxonomic classes were assembled. The carbonyl and sulfonyl PFAS classes were relatively data rich whereas phosphate (no measurements), ether (one chemical), and fluorotelomer (limited number of chemicals) PFAS classes were data poor. Taxonomic classes of Teleostei and Clitellata had the largest BSAFs whereas Magnoliopsida and Bivalvia had the smallest BSAFs, and BSAF values >1 (kg-OC/kg-wet wt) were very rare. Across all studies, median (±standard deviation) whole-body Teleostei BSAFs for perfluorooctane sulfonic acid and perfluorooctanoic acid (kg-OC/kg-wet wt) were 0.0580 (±0.445, n = 60) and 0.00283 (±0.103,24), respectively. Laboratory-measured BSAFs were consistently larger than field-measured BSAFs, that is, 53 of 67 comparisons were larger (80%). Comparing BSAFs across taxonomic classes, 72% of the BSAFs were significantly different (α = 0.05). Comparing BSAFs within a taxonomic class, BSAFs were significantly different for 63% of the taxonomic classes. Elimination kinetics for benthic invertebrates suggests steady-state conditions might be reached in the 28-day uptake portion of a laboratory bioaccumulation test for some test species. The largest data gaps, beyond limited measurements, are understanding the effects of concentration and mixtures on bioaccumulation from sediments, quantifying the difference, if any, in BSAFs between freshwater and brackish/marine ecosystems, and models for predicting BSAFs based on concentrations in sediment. Environ Toxicol Chem 2023;42:277-295. © 2022 SETAC. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.

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Per- and polyfluoroalkyl substances in two different populations of northern cardinals.

Publications

Per- and polyfluoroalkyl substances in two different populations of northern cardinals.

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