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Plastic Pollution in Paradise: Analyzing Plastic Litter on Malta’s Beaches and Assessing the Release of Potentially Toxic Elements

Toxics 2024 5 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Barbara Klik, Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Piotr Jachimowicz Barbara Klik, Barbara Klik, Adriana Osińska, Adriana Osińska, Piotr Jachimowicz Piotr Jachimowicz

Summary

Researchers surveyed plastic litter on two beaches in Malta and found that microplastics were the dominant form of pollution, with polyethylene and polypropylene being the most common plastic types. The beach more frequented by tourists had nearly twice the plastic pollution of the less visited beach. The study also found that plastics from the busier beach carried significantly higher concentrations of potentially toxic metals like manganese.

Polymers

PE PP

Study Type Environmental

This study investigates plastic litter on two beaches in Malta, Golden Bay and Rivera Beach, with a focus on plastic abundance, characteristics, sources, and the influence of human activity on pollution levels. Conducted in March 2023 during the low-tourist season, 13 sediment samples were collected from a depth of 5 cm using a systematic square sampling method. Plastic litter was quantified and sorted by size, shape, color, and polymer type, and concentrations of potentially toxic elements (PTEs) were measured (Cd, Co, Cr, Cu, Mn, Ni, Pb, Zn, and Fe via ICP-OES). Golden Bay exhibited significantly higher plastic quantities (53.9 ± 4.3 n/m<sup>2</sup>) compared to Rivera Beach (29.7 ± 4.0 n/m<sup>2</sup>). Microplastics were dominant on both beaches, with Golden Bay showing a higher proportion (57.0%) than Rivera Beach (50.6%). The plastic litter predominantly consisted of PE (59.6-68.0%) and PP (29.6-38.8%). Golden Bay plastics had PTE concentrations up to 4.9 times higher than those in Rivera Beach, notably for Mn (309.0 μg/g vs. 63.1 μg/g). This research contributes valuable insights into the dynamics of plastic pollution in coastal environments, particularly in areas influenced by tourism.

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