Comparison of PFASs contamination in the freshwater and terrestrial environments by analysis of eggs from osprey (Pandion haliaetus), tawny owl (Strix aluco), and common kestrel (Falco tinnunculus)

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Eriksson, Ulrika,1972-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre (författare)

Comparison of PFASs contamination in the freshwater and terrestrial environments by analysis of eggs from osprey (Pandion haliaetus), tawny owl (Strix aluco), and common kestrel (Falco tinnunculus)

Artikel/kapitelEngelska2016

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San Diego, USA :Academic Press,2016
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LIBRIS-ID:oai:DiVA.org:oru-50315
https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-50315URI
https://doi.org/10.1016/j.envres.2016.04.038DOI

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Språk:engelska
Sammanfattning på:engelska

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Funding Agency:Swedish Environmental Protection Agency (SEPA) 2220-14-004
The level of PFAS (per- and polyfluorinated alkyl substances) contamination in freshwater and terrestrial Swedish environments in 2013/2014 was assessed by analyzing a range of perfluorinated alkyl acids, fluorotelomer acids, sulfonamides, sulfonamidoethanols and polyfluoralkyl phosphate diesters (diPAPs) in predator bird eggs. Stable isotopes ((13)C and (15)N) were analyzed to elucidate the dietary source. The tawny owl (Strix aluco, n=10) and common kestrel (Falco tinnunculus, n=40), two terrestrial species, and the osprey (Pandion haliaetus, n=30), a freshwater specie were included. In addition, a temporal trend (1997-2001, 2008-2009, 2013) in osprey was studied as well. The PFAS profile was dominated by perfluorooctane sulfonic acid (PFOS) in eggs from osprey and tawny owl, while for common kestrel perfluorinated carboxylic acids (∑PFCA) exceeded the level of PFOS. PFOS concentration in osprey eggs remained at the same level between 1997 and 2001 and 2013. For the long-chained PFCAs, there were a significant increase in concentrations in osprey eggs between 1997 and 2001 and 2008-2009. The levels of PFOS and PFCAs were about 10 and five times higher, respectively, in osprey compared to tawny owl and common kestrel. Evidence of direct exposure from PFCA precursor compounds to birds in both freshwater and terrestrial environment was observed. Low levels of diPAPs were detected in a few samples of osprey (<0.02-2.4ng/g) and common kestrel (<0.02-0.16ng/g) eggs, and 6:2 FTSA was detected in a majority of the osprey eggs (<6.3-52ng/g). One saturated telomer acid (7:3 FTCA), which is a transformation marker from precursor exposure, was detected in all species (<0.24-2.7ng/g). The (15)N data showed higher levels in osprey eggs compared to tawny owl and common kestrel, indicating that they feed on a 2-3 times higher trophic level. We conclude that ospreys are continuously exposed to PFAS at levels where adverse toxic effects have been observed in birds.

Ämnesord och genrebeteckningar

NATURVETENSKAP Geovetenskap och miljövetenskap Miljövetenskap hsv//swe
NATURAL SCIENCES Earth and Related Environmental Sciences Environmental Sciences hsv//eng
diPAPs
PFAS
Bird of prey
Freshwater
Terrestrial
Enviromental Science
Miljövetenskap

Biuppslag (personer, institutioner, konferenser, titlar ...)

Roos, AnnaSwedish Museum of Natural History, Stockholm, Sweden (författare)
Lind, YlvaSwedish Museum of Natural History, Stockholm, Sweden (författare)
Hope, Kjell,1949-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)khe (författare)
Ekblad, Alf,1957-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)afed (författare)
Kärrman, Anna,1975-Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment (MTM) Research Centre(Swepub:oru)ankn (författare)
Örebro universitetInstitutionen för naturvetenskap och teknik (creator_code:org_t)

Sammanhörande titlar

Ingår i:Environmental ResearchSan Diego, USA : Academic Press149, s. 40-470013-93511096-0953

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Av författaren/redakt...: Eriksson, Ulrika ...; Roos, Anna; Lind, Ylva; Hope, Kjell, 194 ...; Ekblad, Alf, 195 ...; Kärrman, Anna, 1 ...

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Av lärosätet: Örebro universitet

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