Microplastics in Latin America Ecosystems: A Critical Review of the Current Stage and Research Needs

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Abstract

The ubiquity of microplastics ecosystems has gained global attention. In this context, Latin America, which is responsible for 8% of the world's consumption of plastic material and has a small recycling rate (4.5%), does not have enough data on microplastics contamination in its environmental matrices. This systematic review analyzed 196 studies from 16 territorials in Latin America and provided information about the current state of knowledge regarding the abundance, distribution, and associated impact of microplastics in different matrices. This review also describes the analytical procedures of sampling, extraction, identification, and characterization methodologies adopted by the literature review. The analysis shows that most of the studies that investigate microplastics abundance were carried out in the marine environment (59%), and there is an insufficient investigation on microplastics abundance in freshwater bodies (16%). Among all the studies, the highest microplastics concentration was observed in regions with high population density and/or in locations without proper sanitation and solid waste management. Additionally, the difference among microplastics abundance in the studies might be associated with the different analytical procedures employed to investigate microplastics. Lastly, knowledge gaps are identified, and recommendations are proposed to guide future studies on microplastics contamination.

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APA

Fernandes, A. N., Bertoldi, C., Lara, L. Z., Stival, J., Alves, N. M., Cabrera, P. M., & Grassi, M. T. (2022). Microplastics in Latin America Ecosystems: A Critical Review of the Current Stage and Research Needs. Journal of the Brazilian Chemical Society. Sociedade Brasileira de Quimica. https://doi.org/10.21577/0103-5053.20220018

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