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Microplastic pollution in marine sediments of the Antarctic coastal environment of Potter Cove and nearby areas (25 de Mayo/King George Island, South Shetlands)
Marine Pollution Bulletin2024
1 citation
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Score: 35
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Julieta Carolina Antacli,
Julieta Carolina Antacli,
Rosana Di Mauro,
Julieta Carolina Antacli,
Julieta Carolina Antacli,
Julieta Carolina Antacli,
Gastón Alurralde,
Rosana Di Mauro,
Julieta Carolina Antacli,
Guido N. Rimondino
Guido N. Rimondino
Rosana Di Mauro,
Guido N. Rimondino
Rosana Di Mauro,
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Rosana Di Mauro,
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Cristian Vodopívez,
Cristian Vodopívez,
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Gastón Alurralde,
Gastón Alurralde,
Cristian Vodopívez,
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Gastón Alurralde,
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Cristian Vodopívez,
Rosana Di Mauro,
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Guido N. Rimondino
Natalia Servetto,
Irene R Schloss,
Irene R Schloss,
Germán A. González,
Germán A. González,
Guido N. Rimondino
Cristian Vodopívez,
M.D. Garcia,
Guido N. Rimondino
Cristian Vodopívez,
Guido N. Rimondino
Cristian Vodopívez,
Cristian Vodopívez,
Guido N. Rimondino
Guido N. Rimondino
Germán A. González,
Sonia Morales,
Sonia Morales,
Sonia Morales,
Sonia Morales,
Guido N. Rimondino
Sonia Morales,
Guido N. Rimondino
Guido N. Rimondino
Sonia Morales,
Cristian Vodopívez,
Cristian Vodopívez,
Ricardo Sahade,
Cristian Vodopívez,
Cristian Vodopívez,
Cristian Vodopívez,
Cristian Vodopívez,
Irene R Schloss,
Cristian Vodopívez,
Irene R Schloss,
Cristian Vodopívez,
Cristian Vodopívez,
Cristian Vodopívez,
Guido N. Rimondino
Guido N. Rimondino
Summary
Researchers conducted the first comprehensive analysis of microplastic contamination in surface marine sediments from Potter Cove and surrounding areas near Argentina's Carlini Station on King George Island in the Antarctic South Shetlands, sampling 31 sites between 2020 and 2022. The study documented microplastic presence across the sampled Antarctic coastal environment and investigated whether pollution originates from local research station activities or is transported from distant sources.
Plastic contamination in the Southern Ocean is a growing issue. This study provides the first comprehensive analysis of marine microplastics (MPs) (0.1-5 mm) in surface sediments in Potter Cove and nearby areas around Argentina's Carlini station (25 de Mayo/King George Island, South Shetlands). Sediment samples from 31 sites (2020-2022) were collected to examine whether MP pollution originates from station activities or ocean currents. All samples contained MPs, averaging 0.18 ± 0.12 MPs/g of sediment, mainly microfibers (MFs) and irregular microfragments (MFRs) (0.11-6.23 mm) and irregular microfragments (MFRs) (0.09-4.57 mm). Infrared spectroscopy identified 13 polymer types, including cellulosic materials, polyester, and polyamide, with most MPs < 1 mm, showing aging signs, similar to laundry wear. This widespread distribution suggests contamination may stem from both local activities and external sources. Findings underscore the urgent need for MP pollution management and further research to identify sources and develop effective mitigation strategies.