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Per- and Polyfluoro...
Per- and Polyfluoroalkyl-Contaminated Freshwater Impacts Adjacent Riparian Food Webs
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- Koch, Alina, 1990- (author)
- Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment Research Centre,Örebro universitet, Institutionen för naturvetenskap och teknik
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- Jonsson, Micael (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum,Department of Ecology and Environmental Sciences, Umeå University, Umeå, Sweden
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- Yeung, Leo W. Y., 1981- (author)
- Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment Research Centre,Örebro universitet, Institutionen för naturvetenskap och teknik
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- Kärrman, Anna, 1975- (author)
- Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment Research Centre,Örebro universitet, Institutionen för naturvetenskap och teknik
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- Ahrens, Lutz (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment
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- Ekblad, Alf, 1957- (author)
- Örebro universitet,Institutionen för naturvetenskap och teknik,Örebro universitet, Institutionen för naturvetenskap och teknik
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- Wang, Thanh, 1979- (author)
- Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment Research Centre,Örebro universitet, Institutionen för naturvetenskap och teknik
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(creator_code:org_t)
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- 2020-09-01
- 2020
- English.
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In: Environmental Science and Technology. - : ACS Publications. - 0013-936X .- 1520-5851. ; 54:19, s. 11951-11960
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https://doi.org/10.1...
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Abstract
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- The occurrence of per- and polyfluoroalkyl substances (PFASs) in aquatic ecosystems is a global concern because of their persistence, potential bioaccumulation, and toxicity. In this study, we investigated a PFAS-contaminated pond in Sweden to assess the cross-boundary transfer of PFASs from the aquatic environment to the riparian zone via emergent aquatic insects. Aquatic and terrestrial invertebrates, surface water, sediments, soils, and plants were analyzed for 24 PFASs including branched isomers. Stable isotope analysis of carbon and nitrogen was performed to elucidate the importance of diet and trophic position for PFAS uptake. We present the first evidence that PFASs can propagate to the riparian food web via aquatic emergent insects. Elevated Σ24PFAS concentrations were found in aquatic insect larvae, such as dragon- and damselflies, ranging from 1100 to 4600 ng g-1 dry weight (dw), and remained high in emerged adults (120-3500 ng g-1 dw), indicating exposure risks for top predators that prey in riparian zones. In terrestrial invertebrate consumers, PFAS concentrations increased with the degree of aquatic-based diet and at higher trophic levels. Furthermore, stable isotope data together with calculated bioaccumulation factors indicated that bioconcentration of PFASs was the major pathway of exposure in the aquatic food web and bioaccumulation in the riparian food web.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Koch, Alina, 199 ...
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Jonsson, Micael
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Yeung, Leo W. Y. ...
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Kärrman, Anna, 1 ...
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Ahrens, Lutz
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Ekblad, Alf, 195 ...
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show more...
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Wang, Thanh, 197 ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Environmental Sc ...
- Articles in the publication
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Environmental Sc ...
- By the university
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Örebro University
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Umeå University
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Linköping University
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Swedish University of Agricultural Sciences