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Micro- and mesoplastic pollution along the coast of Peru

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Abstract

Peru suffers from poor solid waste and coastal management, as well as evidenced plastic pollution in various forms. However, studies in Peru focusing on small plastic debris (i.e., meso- and microplastics) are still limited and inconclusive. Thus, the present study investigated the abundance, characteristics, seasonality, and distribution of small plastic debris along the coast of Peru. The abundance of small plastic debris is predominantly driven by specific locations, where a source of contamination is present, rather than presenting seasonal patterns. Meso- and microplastics were strongly correlated in both seasons (summer and winter), suggesting meso-plastic constantly breaking down as microplastic sources. Additionally, heavy metals (e.g., Cu, Pb) were found in low concentrations (mean concentrations < 0.4%) on the surface of some mesoplastics. Here, we provided a baseline on the multiple factors involving small plastic debris on the Peruvian coast and preliminarily identify associated contaminants.

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Acknowledgements

The corresponding author is thankful to Universidad San Ignacio de Loyola for financial support.

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Gabriel Enrique De-la-Torre: Methodology, Investigation, Formal analysis, Visualization, Software, Data curation, Writing—original draft, Writing—review & editing. Carlos Ivan Pizarro-Ortega: Investigation, Formal analysis, Visualization, Writing—original draft, Writing—review & editing. Diana Carolina Dioses-Salinas: Investigation, Formal analysis, Visualization, Writing—original draft, Writing—review & editing. Victor Vasques Ribeiro: Writing—original draft, Writing—review & editing. Damarisch Fernanda Urizar Garfias Reyes: Writing—original draft, Writing—review & editing. Mohamed Ben-Haddad: Writing—original draft, Writing—review & editing. Md. Refat Jahan Rakib: Writing—original draft, Writing—review & editing. Sina Dobaradaran: Writing—original draft, Writing—review & editing.

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Correspondence to Gabriel Enrique De-la-Torre.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Responsible Editor: V.V.S.S. Sarma

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De-la-Torre, G.E., Pizarro-Ortega, C.I., Dioses-Salinas, D.C. et al. Micro- and mesoplastic pollution along the coast of Peru. Environ Sci Pollut Res 30, 71396–71408 (2023). https://doi.org/10.1007/s11356-023-27707-6

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  • DOI: https://doi.org/10.1007/s11356-023-27707-6

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