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Citation link: https://media.suub.uni-bremen.de/handle/elib/6110

Publisher DOI: https://doi.org/10.1016/j.envpol.2022.119627
 
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Large-scale sampling of the freshwater microbiome suggests pollution-driven ecosystem changes


Authors: Premke, Katrin 
Wurzbacher, Christian  
Felsmann, Katja 
Fabian, Jenny  
Taube, Robert  
Bodmer, Pascal  
Attermeyer, Katrin  
Nitzsche, Kai  
Schroer, Sibylle  
Koschorreck, Matthias  
Hübner, Eric 
Mahmoudinejad, Termeh Hesam 
Kyba, Christopher  
Monaghan, Michael T.  
Hölker, Franz  
Abstract: 
Freshwater microbes play a crucial role in the global carbon cycle. Anthropogenic stressors that lead to changes in these microbial communities are likely to have profound consequences for freshwater ecosystems. Using field data from the coordinated sampling of 617 lakes, ponds, rivers, and streams by citizen scientists, we observed linkages between microbial community composition, light and chemical pollution, and greenhouse gas concentration. All sampled water bodies were net emitters of CO2, with higher concentrations in running waters, and increasing concentrations at higher latitudes. Light pollution occurred at 75% of sites, was higher in urban areas and along rivers, and had a measurable effect on the microbial alpha diversity. Genetic elements suggestive of chemical stress and antimicrobial resistances (IntI1, blaOX58) were found in 85% of sites, and were also more prevalent in urban streams and rivers. Light pollution and CO2 were significantly related to microbial community composition, with CO2 inversely related to microbial phototrophy. Results of synchronous nationwide sampling indicate that pollution-driven alterations to the freshwater microbiome lead to changes in CO2 production in natural waters and highlight the vulnerability of running waters to anthropogenic stressors.
Keywords: microbial diversity; Antibiotic-resistance genes; Artificial light at night; Carbon Dioxide; Citizen science; Climate change
Issue Date: 1-Sep-2022
Publisher: Elsevier Science
Journal/Edited collection: Environmental pollution (Barking, Essex : 1987) 
Start page: Article 119627
Band: 308
Type: Artikel/Aufsatz
ISSN: 0269-7491
Institution: Hochschule Bremen 
Faculty: Hochschule Bremen - Fakultät 5: Natur und Technik 
Appears in Collections:Bibliographie HS Bremen

  

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