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Baseline analysis of metal(loid)s on microplastics collected from the Australian shoreline using citizen science

Marine Pollution Bulletin 2020 76 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.
Maddison Carbery, Palanisami Thavamani Maddison Carbery, Palanisami Thavamani Maddison Carbery, Maddison Carbery, Palanisami Thavamani Maddison Carbery, Maddison Carbery, Sania Afrose, Maddison Carbery, Maddison Carbery, Maddison Carbery, Maddison Carbery, Sania Afrose, Geoff R. MacFarlane, Wayne A. O’Connor, Maddison Carbery, Maddison Carbery, Wayne A. O’Connor, Wayne A. O’Connor, Wayne A. O’Connor, Maddison Carbery, Maddison Carbery, Palanisami Thavamani Maddison Carbery, Palanisami Thavamani Geoff R. MacFarlane, Palanisami Thavamani Maddison Carbery, Palanisami Thavamani Wayne A. O’Connor, Wayne A. O’Connor, Wayne A. O’Connor, Maddison Carbery, Maddison Carbery, Geoff R. MacFarlane, Maddison Carbery, Geoff R. MacFarlane, Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Maddison Carbery, Maddison Carbery, Geoff R. MacFarlane, Geoff R. MacFarlane, Palanisami Thavamani Wayne A. O’Connor, Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Maddison Carbery, Maddison Carbery, Palanisami Thavamani Palanisami Thavamani Sania Afrose, Palanisami Thavamani Sania Afrose, Heidi Taylor, Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Maddison Carbery, Maddison Carbery, Heidi Taylor, Maddison Carbery, Maddison Carbery, Palanisami Thavamani Palanisami Thavamani Wayne A. O’Connor, Geoff R. MacFarlane, Geoff R. MacFarlane, Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Geoff R. MacFarlane, Palanisami Thavamani Geoff R. MacFarlane, Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Palanisami Thavamani Geoff R. MacFarlane, Palanisami Thavamani Geoff R. MacFarlane, Maddison Carbery, Maddison Carbery, Maddison Carbery, Maddison Carbery, Palanisami Thavamani

Summary

Researchers collected microplastics from Australian beach and estuarine environments and performed baseline analysis of associated metal(loid) contaminants, finding that plastics adsorb a range of trace metals depending on polymer type and environmental conditions. The study provides foundational data on metal-microplastic interactions in Australian waters where such information was previously lacking.

Microplastics are an emerging contaminant in aquatic environments. Information on the occurrence and characteristics of microplastics in Australia is limited and their interactions with chemical contaminants have not been addressed. Therefore, the aim of this study was to generate baseline information on the physical and chemical characteristics of microplastics on Australian shorelines to facilitate further detailed risk assessment. Field collected microplastics were categorised by colour, shape and polymer type. Plastic particles were primarily clear, blue, white and green and consisted mainly of fragments (57.80%) and pellets (30.68%). Polymer characterisation revealed that shoreline microplastics were polyethylene (53.17%), polypropylene (35.17%), polystyrene (6.61%) and polyethylene terephthalate (1.85%). Analysis of metal(loid)s found that concentrations of Mn, Cr, Cu, As, Zn and Pb were significantly higher on microplastics associated with industrial locations compared with other land uses, indicating that aged microplastics have the potential to adsorb toxic metals and that metals levels may be location-dependent.

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