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Microplastic in mangroves: A worldwide review of contamination in biotic and abiotic matrices

Marine Pollution Bulletin 2023 23 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Dayene Santiago Mendes, Dayene Santiago Mendes, Colin Robert Beasley, Daniel Nobre Nunes da Silva, Marcus Emanuel Barroncas Fernandes

Summary

This worldwide review analyzed 53 studies on microplastic contamination in mangrove sediments, water, and organisms across Asia, America, and Africa, finding that research is geographically limited and lacks wide-scale coverage of mangrove coastlines. Most studies characterized microplastic type, size, color, and morphology but did not assess ecological risks.

This review presents the spatial distribution (where) and the methods applied (how) in assessing Microplastics (MPs) contamination in sediments, water, and organisms in mangrove areas. We analyzed 53 articles on MPs in Asia, America, and Africa and produced by 359 authors, although very localized, lacking wide-scale coverage of mangrove coasts around the world. The results showed that most of studies provided MP's bulk characteristics (type, size, color, form), along with global gross reserves of MPs in the mangrove compartments. Investigations in mangrove areas are still relatively limited. Therefore, for future research, it is relevant to enhance spatial and temporal sampling of MP contamination and to establish standardized protocols to enable effective comparisons between mangrove areas, rivers, beaches, and coastal seas. In addition, it is crucial to investigate the role of MPs as carriers or vectors of other pollutants.

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