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Lucas-Solis O, Moulatlet GM, Guamangallo J, Yacelga N, Villegas L, Galarza E, Rosero B, Zurita B, Sabando L, Cabrera M, Gimiliani GT, Capparelli MV. Preliminary Assessment of Plastic Litter and Microplastic Contamination in Freshwater Depositional Areas: The Case Study of Puerto Misahualli, Ecuadorian Amazonia. Bull Environ Contam Toxicol 2021; 107:45-51. [PMID: 33576853 DOI: 10.1007/s00128-021-03138-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 02/01/2021] [Indexed: 06/12/2023]
Abstract
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 m2), the PL density was 0.045 items m-2, 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-2). Regarding MP, in 55 sampling stations, average MP concentrations ranged from 0 to 2200 items kg-1 of dry sediment (0.5-2 mm), and 0-4200 items kg-1 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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Affiliation(s)
- Oscar Lucas-Solis
- Facultad de Ciencias de la Tierra y Agua, Universidad Regional Amazónica Ikiam, km 7, via a Muyuna, Tena, Napo, Ecuador
| | - Gabriel M Moulatlet
- Facultad de Ciencias de la Tierra y Agua, Universidad Regional Amazónica Ikiam, km 7, via a Muyuna, Tena, Napo, Ecuador
| | - Jeniffer Guamangallo
- Facultad de Ciencias de la Vida, Universidad Regional Amazónica Ikiam, km 7, vía a Muyuna, Tena, Napo, Ecuador
| | - Naomi Yacelga
- Facultad de Ciencias de la Vida, Universidad Regional Amazónica Ikiam, km 7, vía a Muyuna, Tena, Napo, Ecuador
| | - Lipsi Villegas
- Facultad de Ciencias de la Vida, Universidad Regional Amazónica Ikiam, km 7, vía a Muyuna, Tena, Napo, Ecuador
| | - Emily Galarza
- Facultad de Ciencias de la Tierra y Agua, Universidad Regional Amazónica Ikiam, km 7, via a Muyuna, Tena, Napo, Ecuador
| | - Bryan Rosero
- Facultad de Ciencias de la Tierra y Agua, Universidad Regional Amazónica Ikiam, km 7, via a Muyuna, Tena, Napo, Ecuador
| | - Bryan Zurita
- Facultad de Ciencias de la Tierra y Agua, Universidad Regional Amazónica Ikiam, km 7, via a Muyuna, Tena, Napo, Ecuador
| | - Lizeth Sabando
- Facultad de Ciencias de la Tierra y Agua, Universidad Regional Amazónica Ikiam, km 7, via a Muyuna, Tena, Napo, Ecuador
| | - Marcela Cabrera
- Laboratorio Nacional de Referencia del Agua, Universidad Regional Amazónica Ikiam, Tena, Ecuador
| | | | - Mariana V Capparelli
- Facultad de Ciencias de la Tierra y Agua, Universidad Regional Amazónica Ikiam, km 7, via a Muyuna, Tena, Napo, Ecuador.
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