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Anthropogenic microfibres flux in an Antarctic coastal ecosystem: The tip of an iceberg?

Marine Pollution Bulletin 2022 22 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Enrique Isla, Gastón Alurralde, Enrique Isla, Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Verónica Fuentes, Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Alejandro Olariaga, Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Gastón Alurralde, Gastón Alurralde, Gastón Alurralde, Alejandro Olariaga, Guido N. Rimondino Tamara Maggioni, Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Marcos Tatián, Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino Guido N. Rimondino

Summary

Researchers detected anthropogenic microfibres in sediment trap samples collected at 25 m depth in an Antarctic fjord (Potter Cove) from 2012 to 2015, with estimated fluxes ranging from 115 to over 152,000 microfibres per m2, including semi-synthetic cellulosic and polyacrylonitrile polymers confirmed by FTIR. The study suggests Antarctic microfibre contamination may be substantially underestimated, characterizing the findings as 'the tip of an iceberg.'

Polymers

PAN

Study Type Environmental

This study describes the occurrence of anthropogenic microfibres (AMFs) found in sediment trap samples collected at 25 m water depth in an Antarctic fjord (Potter Cove, King George/25 de Mayo Island) from 2012 to 2015. During visual sorting of samples, AMFs were detected and described, and a subset was confirmed, via FTIR (Fourier transform infrared) spectroscopy, as semi-synthetic cellulosic and polyacrylonitrile polymers. Estimated flux of AMF varied from 115 to 152,750 microfibres m throughout the studied period, with sizes ranging from 10 to 450 μm in length. Maximum AMFs fluxes occurred in summer months. Sediment traps allowed detecting temporal patterns of small (μm) AMFs, usually undersampled with nets or sieves, providing a new insight into microplastic pollution in Antarctica and its relation to environmental conditions.

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