Regional differences in plastic ingestion among Southern Ocean fur seals and albatrosses

Marine Pollution Bulletin
Peter G RyanMarthán N Bester

Abstract

We provide data on regional differences in plastic ingestion for two Southern Ocean top predators: Arctocephalus fur seals and albatrosses (Diomedeidae). Fur seals breeding on Macquarie Island in the 1990s excreted small (mainly 2-5 mm) plastic fragments, probably derived secondarily from myctophid fish. No plastic was found in the scats of these seals breeding on three islands in the southwest Indian and central South Atlantic Oceans, despite myctophids dominating their diets at these locations. Compared to recent reports of plastic ingestion by albatrosses off the east coast of South America, we confirm that plastic is seldom found in the stomachs of Thalassarche albatrosses off South Africa, but found no Diomedea albatrosses to contain plastic, compared to 26% off South America. The reasons for such regional differences are unclear, but emphasize the importance of reporting negative as well as positive records of plastic ingestion by marine biota.

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Citations

Nov 21, 2018·Environmental Science and Pollution Research International·Corrado BattistiFulvio Cerfolli
Jan 31, 2019·Scientific Reports·Lauren RomanMark Hindell
Sep 7, 2020·The Science of the Total Environment·Yuan ChenJinhui Li
Jul 30, 2020·The Science of the Total Environment·Jia TengQing Wang
Dec 4, 2019·Marine Pollution Bulletin·Madelaine P T BourdagesJesse C Vermaire
Apr 26, 2017·The Science of the Total Environment·Catherine L WallerKevin A Hughes
Dec 9, 2020·Environmental Pollution·Laura J ZantisThijs Bosker
Feb 26, 2019·Marine Pollution Bulletin·Audrey E CartraudJulie Tourmetz
Aug 14, 2020·The Science of the Total Environment·Odei Garcia-GarinLuis Cardona
Jun 12, 2021·Marine Pollution Bulletin·Maëlle ConnanPeter G Ryan

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