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Microplastic contamination in east Antarctic sea ice

Kelly, A, Lannuzel, D ORCID: 0000-0001-6154-1837, Rodemann, T ORCID: 0000-0003-2356-1153, Meiners, KM and Auman, HJ ORCID: 0000-0002-3749-7554 2020 , 'Microplastic contamination in east Antarctic sea ice' , Marine Pollution Bulletin, vol. 154 , pp. 1-7 , doi: 10.1016/j.marpolbul.2020.111130.

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The durability of plastics in the marine environment has led to concerns regarding the pervasiveness of this debris in remote polar habitats. Microplastic (MP) enrichment in East Antarctic sea ice was measured in one ice core sampled from coastal land-fast sea ice. The core was processed and filtered material was analyzed using micro Fourier-Transform Infrared (μFTIR) spectroscopy. 96 MP particles were identified, averaging 11.71 particles L−1. The most common MP polymers (polyethylene, polypropylene, and polyamide) were consistent with those most frequently represented in the majority of marine MP studies. Sea-ice MP concentrations were positively related with chlorophyll a, suggesting living biomass could assist in incorporating MPs in sea ice. Our preliminary results indicate that sea ice has the potential to serve as a reservoir for MP debris in the Southern Ocean, which may have consequences for Southern Ocean food webs and biogeochemistry.

Item Type: Article
Authors/Creators:Kelly, A and Lannuzel, D and Rodemann, T and Meiners, KM and Auman, HJ
Keywords: microplastics, marine debris, land-fast sea ice, East Antarctica, Southern Ocean, plastic pollution
Journal or Publication Title: Marine Pollution Bulletin
Publisher: Pergamon-Elsevier Science Ltd
ISSN: 0025-326X
DOI / ID Number: 10.1016/j.marpolbul.2020.111130
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© 2020 Elsevier Ltd. All rights reserved.

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