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Preliminary Assessment of Plastic Litter and Microplastic Contamination in Freshwater Depositional Areas: The Case Study of Puerto Misahualli, Ecuadorian Amazonia

Bulletin of Environmental Contamination and Toxicology 2021 30 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Lipsi Villegas, Lipsi Villegas, Lipsi Villegas, Oscar Lucas-Solis, Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Giovana Teixeira Gimiliani, Marcela Cabrera, Marcela Cabrera, Mariana V. Capparelli, Lipsi Villegas, Giovana Teixeira Gimiliani, Giovana Teixeira Gimiliani, Giovana Teixeira Gimiliani, Giovana Teixeira Gimiliani, Marcela Cabrera, Mariana V. Capparelli, Gabriel M. Moulatlet Giovana Teixeira Gimiliani, Giovana Teixeira Gimiliani, Mariana V. Capparelli, Giovana Teixeira Gimiliani, Gabriel M. Moulatlet Marcela Cabrera, Giovana Teixeira Gimiliani, Marcela Cabrera, Gabriel M. Moulatlet Marcela Cabrera, Gabriel M. Moulatlet Giovana Teixeira Gimiliani, Gabriel M. Moulatlet Gabriel M. Moulatlet Gabriel M. Moulatlet Gabriel M. Moulatlet Gabriel M. Moulatlet Gabriel M. Moulatlet Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Mariana V. Capparelli, Oscar Lucas-Solis, Oscar Lucas-Solis, Oscar Lucas-Solis, Jeniffer Guamangallo, Jeniffer Guamangallo, Mariana V. Capparelli, Mariana V. Capparelli, Gabriel M. Moulatlet Gabriel M. Moulatlet Mariana V. Capparelli, Giovana Teixeira Gimiliani, Mariana V. Capparelli, Naomi Yacelga, Mariana V. Capparelli, Mariana V. Capparelli, Oscar Lucas-Solis, Naomi Yacelga, Mariana V. Capparelli, Mariana V. Capparelli, Lipsi Villegas, Lipsi Villegas, Mariana V. Capparelli, Mariana V. Capparelli, Gabriel M. Moulatlet Mariana V. Capparelli, Giovana Teixeira Gimiliani, Emily Galarza, Marcela Cabrera, Marcela Cabrera, Gabriel M. Moulatlet Marcela Cabrera, Marcela Cabrera, Emily Galarza, Giovana Teixeira Gimiliani, Gabriel M. Moulatlet Bryan Rosero, Marcela Cabrera, Bryan Rosero, Gabriel M. Moulatlet Oscar Lucas-Solis, Gabriel M. Moulatlet Bryan Zurita, Mariana V. Capparelli, Bryan Zurita, Lizeth Sabando, Lizeth Sabando, Gabriel M. Moulatlet Marcela Cabrera, Mariana V. Capparelli, Giovana Teixeira Gimiliani, Gabriel M. Moulatlet Gabriel M. Moulatlet Mariana V. Capparelli, Gabriel M. Moulatlet

Summary

Researchers conducted a preliminary assessment of plastic litter and microplastics in sediments at a riverine depositional area in the Ecuadorian Amazon, finding low-density polyethylene bags as the dominant macroplastic and documenting microplastic presence in an upper Amazon basin location.

Polymers
Study Type Environmental

We quantify plastic litter (PL, > 2 cm) and microplastics (MP, < 5 mm) from the sediments of a beach formed at a riverine depositional area, at the upper Amazon River basin, Ecuador. In the collection area (4400 m), the PL density was 0.045 items m, where low-density polyethylene bags were the prevalent PL. The beach was classified as "very clean" (Clean Coast Index (CCI) of 1.3 items m). Regarding MP, in 55 sampling stations, average MP concentrations ranged from 0 to 2200 items kg of dry sediment (0.5-2 mm), and 0-4200 items kg of dry sediment (2-5 mm). Blue fibers were the prevalent MP. Our results represent the first report to show the ubiquitous presence of PL and MP for the area. The monitoring and management of plastic disposal in freshwater beaches are necessary, as here we report a small part of an undocumented issue.

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