Per- and Polyfluoroalkyl Substances (PFAS) Accumulation, Reproductive Impairment, and Associations with Nestling Body Condition in Great ( Parus major )- and Blue Tits ( Cyanistes caeruleus ) Living near a Hotspot in Belgium.

Autor:	Groffen T; ECOSPHERE, Department of Biology, Faculty of Science, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.; Behavioural Ecology and Ecophysiology Group, Department of Biology, Faculty of Science, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium., Buytaert J; ECOSPHERE, Department of Biology, Faculty of Science, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium., Prinsen E; Integrated Molecular Plant Physiology Research, Department of Biology, Faculty of Science, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium., Bervoets L; ECOSPHERE, Department of Biology, Faculty of Science, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium., Eens M; Behavioural Ecology and Ecophysiology Group, Department of Biology, Faculty of Science, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium.
Jazyk:	angličtina
Zdroj:	Toxics [Toxics] 2024 Aug 29; Vol. 12 (9). Date of Electronic Publication: 2024 Aug 29.
DOI:	10.3390/toxics12090636
Abstrakt:	Due to the limited number of field studies investigating associations between environmentally relevant per- and polyfluoroalkyl substances (PFAS) mixtures and reproductive impairment, there is uncertainty as to whether birds are affected by PFAS pollution, whether species differ in sensitivity to PFAS, and whether the observed reproductive impairment is caused by PFAS or rather due to other potential confounding variables. Therefore, we investigated PFAS concentrations in eggs and blood plasma of great tit ( Parus major ) and blue tit ( Cyanistes caeruleus ) nestlings near a PFAS hotspot in Belgium, reproductive impairment, and associations between the accumulated levels and nestling body condition. In total, 29 eggs and 22 blood plasma samples of great tit clutches, and 10 egg and 10 blood plasma samples of blue tit clutches, were collected. Despite more types of PFAS being detected in eggs compared to plasma, only minor differences in profiles were observed between species. On the other hand, tissue-specific differences were more pronounced and likely reflect a combination of maternal transfer and dietary exposure post-hatching. Despite the high concentrations detected in both species, limited reproductive impairment was observed. Our results support previous findings that great tits and blue tits may not be very susceptible to PFAS pollution and provide evidence that other factors, including ecological stoichiometry, may be more important in explaining inter-species variation in PFAS accumulation and reproductive impairment. Competing Interests: The authors declare no conflicts of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.
Databáze:	MEDLINE
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