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Lake Sediments as Microplastic Sink: The Case of Three Lakes from Northern and Central Poland

Michał Fojutowski

Michał Fojutowski

Department of Environmental Resources and Geohazards, Institute of Geography and Spatial Organization, Polish Academy of SciencesToruń, Poland
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Fojutowski, Michał
  
01. Sept. 2024
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Online veröffentlicht: 01. Sept. 2024
Seitenbereich: 103 - 112
Eingereicht: 09. Apr. 2024
DOI: https://doi.org/10.14746/quageo-2024-0029
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© 2024 Michał Fojutowski, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1.

Study area: A – catchment of Czechowskie and Głęboczek lakes; B – catchment of Gościąż lake (based on Corine Land Cover 2018).
Study area: A – catchment of Czechowskie and Głęboczek lakes; B – catchment of Gościąż lake (based on Corine Land Cover 2018).

Fig. 2.

Microplastic particles (A – blue fibre 0.2 mm, Lake Gościąż; B – transparent fragment 2.0 mm, Lake Głęboczek; C – several transparent fibres, Lake Gościąż; D – red fibre 1.2 mm, Lake Czechowskie).
Microplastic particles (A – blue fibre 0.2 mm, Lake Gościąż; B – transparent fragment 2.0 mm, Lake Głęboczek; C – several transparent fibres, Lake Gościąż; D – red fibre 1.2 mm, Lake Czechowskie).

Fig. 3.

Average sediment accumulation rate in sediment traps in years 2017–2021.
Average sediment accumulation rate in sediment traps in years 2017–2021.

Fig. 4.

Particles of microplastic in three bottom sediment cores. The number and colour of the squares correspond to the identified microplastic particles.
Particles of microplastic in three bottom sediment cores. The number and colour of the squares correspond to the identified microplastic particles.

Fig. 5.

Percentage distribution of the size of the microplastic particles in all lakes.
Percentage distribution of the size of the microplastic particles in all lakes.

Fig. 6.

Percentage distribution of the colour of the microplastic particles in all lakes.
Percentage distribution of the colour of the microplastic particles in all lakes.

Fig. 7.

Dates corresponding to microplastic particles found calculated based on the average annual sedimentation rate from sediment traps (Lake Czechowskie – 5.0 mm · a−1, Lake Głęboczek – 4.3 mm · a−1, Lake Gościąż – 14.4 mm · a−1).
Dates corresponding to microplastic particles found calculated based on the average annual sedimentation rate from sediment traps (Lake Czechowskie – 5.0 mm · a−1, Lake Głęboczek – 4.3 mm · a−1, Lake Gościąż – 14.4 mm · a−1).
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