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Microplastic in Water and Sediments at the Confluence of the Elbe and Mulde Rivers in Germany

Title data

Laermanns, Hannes ; Reifferscheid, Georg ; Kruse, Jonas ; Földi, Corinna ; Dierkes, Georg ; Schaefer, Dirk ; Scherer, Christian ; Bogner, Christina ; Stock, Friederike:
Microplastic in Water and Sediments at the Confluence of the Elbe and Mulde Rivers in Germany.
In: Frontiers in Environmental Science. Vol. 9 (17 December 2021) .
ISSN 2296-665X
DOI: https://doi.org/10.3389/fenvs.2021.794895

Project information

Project title:
Project's official titleProject's id
SFB 1357 Mikroplastik391977956

Project financing: Micro- and macroplastic in federal water ways of Germany” (Project 4.1.12, Project No. M39620304028)

Abstract in another language

Accumulation of microplastics in aquatic environments is an issue of emerging concern. Initially, research focused on marine systems. However, recent studies also investigate the abundance of microplastics in freshwater environments. Rivers connect terrestrial with marine ecosystems and contribute a considerable share of macro- and microplastics to the oceans. A previous study found a large amount of micro-spheres in Dessau downstream the river mouth of the Mulde. Therefore, the objective of this research was to examine whether the Mulde river with its highly industrialized catchment contributes to the microplastic pollution of the Elbe. Sediment (Van Veen grab sampler) and water samples (filter cascade with the smallest mesh size 50 μm and nets with the smallest mesh size 150 μm) were taken from the Elbe river up- and downstream the confluence with the Mulde. After extensive sample preparation, we examined the samples under a digital microscope and determined polymer types by pyrolysis Gas Chromatography/Mass Spectrometry (pyr-GC-MS). The amount of primary microplastics increased in sediment and water samples just downstream the confluence. Those microplastics originate probably from the Mulde. We measured larger amounts and different shapes of microplastics in filter cascades that have a smaller mesh size compared to the nets.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions > Collaborative Research Centers, Research Unit > SFB 1357 - MIKROPLASTIK
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 550 Earth sciences, geology
500 Science > 570 Life sciences, biology
500 Science > 590 Animals (Zoology)
Date Deposited: 17 Jan 2022 09:18
Last Modified: 17 Jan 2022 09:18
URI: https://eref.uni-bayreuth.de/id/eprint/68368