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Wastewater Microorganisms Impact Microbial Diversity and Important Ecological Functions of Stream Periphyton by Louis Carles; Simon Wullschleger; Adriano Joss; Rik I.L. Eggen; Kristin Schirmer; Nele Schuwirth; Christian Stamm; Ahmed Tlili is a Environmental Science article available to read on EtoBox.
What is Wastewater Microorganisms Impact Microbial Diversity and Important Ecological Functions of Stream Periphyton about?
Effluents of wastewater treatment plants can impact microbial communities in the receiving streams. However, little is known about the role of microorganisms in wastewater as opposed to other wastewater constituents, such as nutrients and micropollutants. We aimed therefore at determining the impact of wastewater microorganisms on the microbial diversity and function of periphyton, key microbial communities in streams. We used a flow-through channel system to grow periphyton upon exposure to a mixture of stream water and unfiltered or ultra-filtered wastewater. Impacts were assessed on periphyton biomass, activities and tolerance to micropollutants, as well as on microbial diversity. Our results showed that wastewater microorganisms colonized periphyton and modified its community composition, resulting for instance in an increased abundance of Chloroflexi and a decreased abundance of diatoms and green algae. This led to shifts towards heterotrophy, as suggested by the changes in nutrient stoichiometry and the increased mineralization potential of carbon substrates. An increased tolerance towards micropollutants was only found for periphyton exposed to unfiltered wastewater but not
Who reads Wastewater Microorganisms Impact Microbial Diversity and Important Ecological Functions of Stream Periphyton?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Louis Carles; Simon Wullschleger; Adriano Joss; Rik I.L. Eggen; Kristin Schirmer; Nele Schuwirth; Christian Stamm; Ahmed Tlili
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Environmental Science (Physical Sciences)