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Co-contaminants of microplastics in two seab.rd species from the Canadian Arctic

Environmental Science and Ecotechnology 2022年第4期12卷 87-96页

作者： Roxana Sühring julia E.b.ak Rob.rt j.Letcher b.rgit M.b.aune Amila de Silva Cody Dey Kim Fernie Zhe Lu Mark L.Mallory Stephanie Avery-Gomm jennifer F.Provencher Department of Chemistry and b.ology Toronto Metropolitan University(formerly known as Ryerson University)350 Victoria StTorontoONM5B 2K3Canada Department of Natural Resource Science McGill UniversitySainte Anne de BellevueQuebecH9X 3V9Canada Environment and Climate Change Canada National Wildlife Research CentreCarleton UniversityRaven RoadOttawaOntarioK1A 0H3Canada Aquatic Contaminants Research Division Environment and Climate Change CanadaBurlingtonOntarioL7S 1A1Canada Ecotoxicology&Wildlife Health Division Environment and Climate Change CanadaBurlingtonOntarioL7S 1A1Canada Institut des Sciences de la Mer de Rimouski Université du Québec à RimouskiRimouskiQuébecG5L 3A1Canada Department of b.ology Acadia UniversityWolfvilleNova ScotiaB4P 2R6Canada

Through ingestion and sub.equent egestion,Arctic seab.rds can b.oaccumulate microplastics at and around their colony b.eeding *** microplastics in Arctic seab.rds have b.en well documented,it is not yet understood to what extent these particles can act as transport vehicles for plastic-associated contaminants,including legacy persistent organic pollutants(POPs),trace metals,and organic *** investigated the occurrence and pattern of organic and inorganic co-contaminants of microplastics in two seab.rd species from the Canadian Arctic-northern fulmar(Fulmarus glacialis)and b.ack-legged kittiwake(Rissa tridactyla).We found that fulmars had higher levels of plastic contamination and emerging organic compounds(known to b. plastic additives)than kittiwakes,whereas higher concentrations of legacy POPs were found in kittiwakes than the ***,fulmars,the species with the much larger foraging range(~200 km),had higher plastic pollution and overall contaminant b.rdens,indicating that b.rds may b. acting as long-range transport vectors for plasticassociated *** results suggest a potential connection b.tween plastic additive contamination and plastic pollution b.rdens in the b.rd stomachs,highlighting the importance of treating plastic particles and plastic-associated organic additives as co-contaminants rather than separate pollution issues.

关键词： Plastic contaminants Contaminants of emerging arctic concern Arctic Seab.rds PFAS OPEs Pb.Es Trace metals

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