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Volume 14
Issue 23
10.3390/w14233905
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Article

Occurrence of microplastics in Fish from Mendoza River: First Insights into Plastic Pollution in the Central Andes, Argentina

by
Juan Manuel Ríos
1,*,
Franco Teixeira de Mello
2,
Bárbara De Feo
2,
Evelyn Krojmal
2,
Camila Vidal
2,
Veronica Andrea Loza-Argote
1 and
Erica Elizabeth Scheibler
3
1
Laboratorio de Ecotoxicología, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CCT-CONICET), Mendoza 5500, Argentina
2
Departamento de Ecología y Gestión Ambiental, Centro Universitario Regional del Este (CURE, UDELAR), Tacuarembó entre Av. Artigas y Aparicio Saravia, Maldonado 20000, Uruguay
3
Instituto Argentino de Investigaciones de las Zonas Áridas (IADIZA, CCT-CONICET), Mendoza 5500, Argentina
*
Author to whom correspondence should be addressed.
Water 2022, 14(23), 3905; https://doi.org/10.3390/w14233905
Submission received: 8 November 2022 / Revised: 25 November 2022 / Accepted: 28 November 2022 / Published: 1 December 2022
(This article belongs to the Special Issue Impacts of Human Activities and Climate Change on Freshwater Fish, Volume II)
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Abstract

The widespread use of plastic products in our modern life represents a serious threat to aquatic environments and wild animals that are exposed to plastic waste. Although microplastics (MPs) have been reported in fish from several freshwater environments around the world, mountain environments have been little studied so far. The occurrence of MPs was assessed in the gastrointestinal tracts (GITs) of non-native (rainbow trout Oncorhynchus mykiss and brown trout Salmo trutta) and native (torrent catfish Hatcheria macraei) fish from the Mendoza River in the Central Andes, Argentina. Fibers (85%) were the main MPs type recovered from the fish here analyzed, followed by fragments (15%). Blue fibers were the main type of MPs in analyzed specimens: brown trout (50%), rainbow trout (71%), and torrent catfish (63%). Significant differences in the median total MPs’ abundance and median total fiber abundance were observed among fish species. The highest MPs’ abundance was found in the GITs of brown trout followed by rainbow trout, while the lowest was found in the GITs of torrent catfish. This study represents a baseline for the occurrence and characteristics in terms of shape and color of MPs in freshwater fish collected from a mountain river of the Central Andes.
Keywords: Central Andes; fish; freshwater; microplastics Central Andes; fish; freshwater; microplastics

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MDPI and ACS Style

Ríos, J.M.; Teixeira de Mello, F.; De Feo, B.; Krojmal, E.; Vidal, C.; Loza-Argote, V.A.; Scheibler, E.E. Occurrence of microplastics in Fish from Mendoza River: First Insights into Plastic Pollution in the Central Andes, Argentina. Water 2022, 14, 3905. https://doi.org/10.3390/w14233905

AMA Style

Ríos JM, Teixeira de Mello F, De Feo B, Krojmal E, Vidal C, Loza-Argote VA, Scheibler EE. Occurrence of microplastics in Fish from Mendoza River: First Insights into Plastic Pollution in the Central Andes, Argentina. Water. 2022; 14(23):3905. https://doi.org/10.3390/w14233905

Chicago/Turabian Style

Ríos, Juan Manuel, Franco Teixeira de Mello, Bárbara De Feo, Evelyn Krojmal, Camila Vidal, Veronica Andrea Loza-Argote, and Erica Elizabeth Scheibler. 2022. "Occurrence of microplastics in Fish from Mendoza River: First Insights into Plastic Pollution in the Central Andes, Argentina" Water 14, no. 23: 3905. https://doi.org/10.3390/w14233905

APA Style

Ríos, J. M., Teixeira de Mello, F., De Feo, B., Krojmal, E., Vidal, C., Loza-Argote, V. A., & Scheibler, E. E. (2022). Occurrence of microplastics in Fish from Mendoza River: First Insights into Plastic Pollution in the Central Andes, Argentina. Water, 14(23), 3905. https://doi.org/10.3390/w14233905

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