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Article

Spatial Variations in Microplastics in the Largest Shallow Lake of Central Europe and Its Protecting Wetland Area

1
Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, 2100 Gödöllő, Hungary
2
Eurofins Analytical Services Hungary Ltd., 1045 Budapest, Hungary
3
Ecophysiological and Environmental Toxicological Research Group, HUN-REN Balaton Limnological Research Institute, 8237 Tihany, Hungary
4
Western Transdanubia Water Directorate, 9700 Szombathely, Hungary
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
These authors contributed equally to this work.
Water 2024, 16(7), 1014; https://doi.org/10.3390/w16071014
Submission received: 9 February 2024 / Revised: 25 March 2024 / Accepted: 26 March 2024 / Published: 31 March 2024
(This article belongs to the Special Issue Contaminants in the Water Environment)

Abstract

The concentration of microplastics (MPs) in two important Hungarian freshwater habitats was determined in the size range of 50 μm–1 mm. Lake Balaton (LB) is the largest shallow lake in Central Europe, with a significant role in recreation and tourism. Its main inflow, the Zala River, enters the lake through an artificially constructed wetland, the Kis-Balaton Water Protection System and its catchment area (KB), which helps preserve the water quality of the lake. From these two areas, 15 samples were taken with an in situ filtration sampling method. After preparation, the samples were analyzed automatically by FT-IR microscopy. All samples, from both areas, contained MPs; the dominant microplastic (MP) shape was the fragment, while the most frequently polymer types were polyethylene, polypropylene and alkyd. Small MPs were dominant in both areas; around 90% of the MPs were smaller than 500 μm. On average, LB contained more MPs (21.0 ± 12.5 MPs/m3) compared to the KB, which presented an average concentration of MPs of 7.8 ± 5.9 MPs/m3. In the examined areas, two potential MP sources were determined, i.e., treated wastewater and road traffic. The importance of tourism should also be further investigated.
Keywords: FTIR; MPs; types of polymers; fiber; fragment; filtration; freshwater; Lake Balaton; Kis-Balaton Water Protection System FTIR; MPs; types of polymers; fiber; fragment; filtration; freshwater; Lake Balaton; Kis-Balaton Water Protection System
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MDPI and ACS Style

Prikler, B.; Svigruha, R.; Háhn, J.; Harkai, P.; Fodor, I.; Kaszab, E.; Kriszt, B.; Tóth, G.; Szabó, I.; Csenki, Z.; et al. Spatial Variations in Microplastics in the Largest Shallow Lake of Central Europe and Its Protecting Wetland Area. Water 2024, 16, 1014. https://doi.org/10.3390/w16071014

AMA Style

Prikler B, Svigruha R, Háhn J, Harkai P, Fodor I, Kaszab E, Kriszt B, Tóth G, Szabó I, Csenki Z, et al. Spatial Variations in Microplastics in the Largest Shallow Lake of Central Europe and Its Protecting Wetland Area. Water. 2024; 16(7):1014. https://doi.org/10.3390/w16071014

Chicago/Turabian Style

Prikler, Bence, Réka Svigruha, Judit Háhn, Péter Harkai, István Fodor, Edit Kaszab, Balázs Kriszt, Gergő Tóth, István Szabó, Zsolt Csenki, and et al. 2024. "Spatial Variations in Microplastics in the Largest Shallow Lake of Central Europe and Its Protecting Wetland Area" Water 16, no. 7: 1014. https://doi.org/10.3390/w16071014

APA Style

Prikler, B., Svigruha, R., Háhn, J., Harkai, P., Fodor, I., Kaszab, E., Kriszt, B., Tóth, G., Szabó, I., Csenki, Z., Bordós, G., Micsinai, A., Nyírő-Fekete, B., Palotai, Z., Lovász, Z., Pirger, Z., & Szoboszlay, S. (2024). Spatial Variations in Microplastics in the Largest Shallow Lake of Central Europe and Its Protecting Wetland Area. Water, 16(7), 1014. https://doi.org/10.3390/w16071014

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