Assessing the trophic ecology and migration on the exposure of cape petrels and Wilson's storm petrels from Antarctica to perfluoroalkylated substances, trace and major elements.
[en] Chemical pollution is a global concern as contaminants are transported and reach even the remote regions of Antarctica. Seabirds serve as important sentinels of pollution due to their high trophic position and wide distribution. This study examines the influence of migration and trophic ecology on the exposure of two Antarctic seabirds, Wilson's storm petrel (Oceanites oceanicus - Ooc), and Cape petrel (Daption capense - Dca), to chemical elements and perfluoroalkyl substances (PFAS). Our methodology involved assessing the concentration of these pollutants in feather samples obtained from carcasses, offering a practical means for monitoring contamination. Trace and major element concentrations were comparable in both species, suggesting that migratory patterns have a minimal impact on exposure levels. However, Ooc had higher concentration of PFAS compared to Dca (mean, ng g-1dry weight, PFOA: Ooc:0.710, Dca:0.170; PFTrDA: Ooc:0.550, Dca:0.360, and PFTeDA: Ooc:1.01, Dca:0.190), indicating that migration to the more polluted Northern Hemisphere significantly affects PFAS exposure. Furthermore, while no strong associations were found between either trace elements or PFAS and the three stable isotopes (δ13C, δ15N, and δ34S), a negative association was observed between PFUnDA and δ15N, hinting at potential biodilution. The research concludes that the migratory patterns of these seabird species affect their PFAS exposure, underscoring the critical need for further exploration and understanding of these relationships to better inform conservation strategies.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège [BE]
Padilha, J A G ; Biophysics Institute, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil, CBMA - Centre for Molecular and Environmental Biology/ARNET-Aquatic Research Network, Portugal, IB-S, Institute of Science and Innovation for Bio-Sustainability, Department of Biology, University of Minho, Campus Gualtar, 4710-057, Braga, Portugal. Electronic address: janeide.padilha@bio.uminho.pt
Santos, S; CBMA - Centre for Molecular and Environmental Biology/ARNET-Aquatic Research Network, Portugal, IB-S, Institute of Science and Innovation for Bio-Sustainability, Department of Biology, University of Minho, Campus Gualtar, 4710-057, Braga, Portugal
Willems, T ; ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium, Integrated Molecular Plant Physiology Research (IMPRES), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
Souza-Kasprzyk, J ; Biophysics Institute, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil, Department of Analytical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Ul. Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
Leite, A; CBMA - Centre for Molecular and Environmental Biology/ARNET-Aquatic Research Network, Portugal, IB-S, Institute of Science and Innovation for Bio-Sustainability, Department of Biology, University of Minho, Campus Gualtar, 4710-057, Braga, Portugal
Cunha, L S T ; Biophysics Institute, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
Costa, E S; Environment and Sustainability, State University of Rio Grande do Sul, Assis Brasil Street, 842, Downtown, São Francisco de Paula, Rio Grande do Sul, Brazil
Pessôa, A R ; Biophysics Institute, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
Eens, M ; Behavioural Ecology and Ecophysiology Group (BECO), Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
E, Prinsen; Integrated Molecular Plant Physiology Research (IMPRES), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
Torres, J P M; Biophysics Institute, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
Das, Krishna ; Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Lepoint, Gilles ; Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution
Dorneles, Paulo Renato ; Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Bervoets, Lieven; ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
Groffen, T ; ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium, Behavioural Ecology and Ecophysiology Group (BECO), Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
Assessing the trophic ecology and migration on the exposure of cape petrels and Wilson's storm petrels from Antarctica to perfluoroalkylated substances, trace and major elements.
This work was funded by the research projects G038615N, G018119N, and 12ZZQ21Nof the Research Foundation Flanders (FWO). TG is funded by a post-doctoral grant of the FWO (grant nr. 12ZZQ21N and 1205724N). This work was also supported by the Brazilian National Council for Scientific and Technological Development (CNPq) (CNPq/MCT 557049/2009-1) and by the Rio de Janeiro State Government Research Agency (FAPERJ E-26/111.505/2010) through the project entitled: “Estudos bioecológicos em Pingüins (Pygoscelis Antarctica, P. papua e P. adeliae) e skuas (Stercorarius maccormickii e C. lonnbergii): determinação de micropoluentes e níveis de estresse através de métodos de amostragem não invasivos”, as well as through a Universal Call CNPq-Project from PRD (proc. 432518/2016–9). This work was also funded by a scientific cooperation established between the Brazilian Foundation for the Coordination and Improvement of Higher Level or Education Personnel (CAPES - process numbers 88881.154725/2017–01 88887.154724/2017–00) and Wallonie Bruxelles International (WBI, from Belgium), coordinated by PRD and KD. We would like to thank the Brazilian Navy, which provided logistical support in Antarctica through the “Secretaria da Comissão Interministerial para os Recursos do Mar” (SECIRM). GL is a F.R.S.-FNRS research associate, and KD is a Senior F.R.S.-FNRS research associate. PRD have research grants from CNPq (PQ-1A proc. 306703/2014–9 and PQ-2 proc. 306847/2016–7, respectively.This work was funded by the research projects G038615N , G018119N , and 12ZZQ21N of the Research Foundation Flanders (FWO). TG is funded by a post-doctoral grant of the FWO (grant nr. 12ZZQ21N and 1205724N ). This work was also supported by the Brazilian National Council for Scientific and Technological Development (CNPq) ( CNPq/MCT 557049/2009-1 ) and by the Rio de Janeiro State Government Research Agency ( FAPERJ E-26/111.505/2010 ) through the project entitled: “Estudos bioecológicos em Pingüins (Pygoscelis Antarctica, P. papua e P. adeliae) e skuas (Stercorarius maccormickii e C. lonnbergii): determinação de micropoluentes e níveis de estresse através de métodos de amostragem não invasivos”, as well as through a Universal Call CNPq -Project from PRD (proc. 432518/2016–9 ). This work was also funded by a scientific cooperation established between the Brazilian Foundation for the Coordination and Improvement of Higher Level or Education Personnel ( CAPES - process numbers 88881.154725/2017–01 88887.154724/2017–00 ) and Wallonie Bruxelles International (WBI, from Belgium), coordinated by PRD and KD. We would like to thank the Brazilian Navy, which provided logistical support in Antarctica through the “Secretaria da Comissão Interministerial para os Recursos do Mar” (SECIRM). GL is a F.R.S.-FNRS research associate, and KD is a Senior F.R.S.-FNRS research associate. PRD have research grants from CNPq ( PQ-1A proc. 306703/2014–9 and PQ-2 proc. 306847/2016–7 , respectively.
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