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First assessment of microplastic and artificial microfiber contamination in surface waters of the Amazon Continental Shelf
The Science of The Total Environment2022
60 citations
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Score: 45
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Tommaso Giarrizzo
Arnaldo Fabrício dos Santos Queiroz,
Alessandra Cincinelli,
Arnaldo Fabrício dos Santos Queiroz,
José Eduardo Martinelli Filho,
Alessandra Cincinelli,
Alessandra Cincinelli,
Arnaldo Fabrício dos Santos Queiroz,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
David Chelazzi,
Amanda Saraiva da Conceição,
Arnaldo Fabrício dos Santos Queiroz,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
David Chelazzi,
David Chelazzi,
Alessandra Cincinelli,
Amanda Saraiva da Conceição,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
Alessandra Cincinelli,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
Tommaso Giarrizzo
Marcelo Rollnic,
Marcelo Rollnic,
José Eduardo Martinelli Filho,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Tommaso Giarrizzo
Alessandra Cincinelli,
David Chelazzi,
Tommaso Giarrizzo
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
José Eduardo Martinelli Filho,
Marcelo Rollnic,
David Chelazzi,
Alessandra Cincinelli,
David Chelazzi,
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
José Eduardo Martinelli Filho,
José Eduardo Martinelli Filho,
Marcelo Rollnic,
Tommaso Giarrizzo
Tommaso Giarrizzo
José Eduardo Martinelli Filho,
Alessandra Cincinelli,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
Tommaso Giarrizzo
Alessandra Cincinelli,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Tommaso Giarrizzo
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Tommaso Giarrizzo
David Chelazzi,
Alessandra Cincinelli,
David Chelazzi,
José Eduardo Martinelli Filho,
Alessandra Cincinelli,
Tommaso Giarrizzo
David Chelazzi,
José Eduardo Martinelli Filho,
Tommaso Giarrizzo
Alessandra Cincinelli,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
José Eduardo Martinelli Filho,
Alessandra Cincinelli,
David Chelazzi,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
Tommaso Giarrizzo
Tommaso Giarrizzo
David Chelazzi,
David Chelazzi,
Alessandra Cincinelli,
José Eduardo Martinelli Filho,
Alessandra Cincinelli,
Alessandra Cincinelli,
Alessandra Cincinelli,
José Eduardo Martinelli Filho,
Alessandra Cincinelli,
Tommaso Giarrizzo
Alessandra Cincinelli,
Tommaso Giarrizzo
Tommaso Giarrizzo
Alessandra Cincinelli,
Alessandra Cincinelli,
David Chelazzi,
David Chelazzi,
David Chelazzi,
David Chelazzi,
Alessandra Cincinelli,
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Alessandra Cincinelli,
Tommaso Giarrizzo
Tommaso Giarrizzo
Tommaso Giarrizzo
Summary
Researchers characterized microplastics in surface water of the Amazon Continental Shelf for the first time, finding particles at all 57 sampling sites with higher concentrations during the rainy season. Polyamide, polyurethane, and acrylonitrile butadiene styrene were the most common polymer types, and concentrations were highest near river mouths and coastal cities.
The composition and distribution of microplastics (MPs) in the Brazilian Amazon Continental Shelf surface waters are described for the first time. The study was conducted during the 2018 rainy and dry seasons, using 57 water samples collected with aluminum buckets and filtered through a 64-μm mesh. The samples were vacuum-filtered in a still-air box, and the content of each filter was measured, counted, and classified. A total of 12,288 floating MPs were retrieved; particles were present at all 57 sampling points. The mean MP abundance was 3593 ± 2264 items·m, with significantly higher values during the rainy season (1500 to 12,967; 4772 ± 2761 items·m) than in the dry season (323 to 5733; 2672 ± 1167 items·m). Polyamides (PA), polyurethane (PU), and acrylonitrile butadiene styrene (ABS) were the most common polymers identified through Fourier Transform Infrared Spectroscopy (FTIR) analysis. Cellulose-based textile fibers were also abundant (~40%). Our results indicate that the Amazon Continental Shelf is contaminated with moderate to high levels of MPs; the highest abundances were recorded at stations near land-based sources such as river mouths and large coastal cities.