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Journal Articles Freshwater Science Year : 2022

Interactions between microplastics and benthic biofilms in fluvial ecosystems: Knowledge gaps and future trends

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Helena Guasch
  • Function : Author
  • PersonId : 1157825
Susana Bernal
  • Function : Author
  • PersonId : 1157826
Daniel Bruno
  • Function : Author
  • PersonId : 1043816
Bethanie Carney Almroth
  • Function : Author
  • PersonId : 1157827
Joaquin Cochero
  • Function : Author
  • PersonId : 1157828
Natàlia Corcoll
  • Function : Author
  • PersonId : 1157829
Delfina Cornejo
  • Function : Author
  • PersonId : 1157830
Esperança Gacia
  • Function : Author
  • PersonId : 1157831
Alexandra Kroll
  • Function : Author
  • PersonId : 1157832
Isabelle Lavoie
  • Function : Author
  • PersonId : 1157833
José L J Ledesma
  • Function : Author
Anna Lupon
  • Function : Author
  • PersonId : 1157834
Henar Margenat
  • Function : Author
  • PersonId : 1157835
Soizic Morin
Enrique Navarro
  • Function : Author
  • PersonId : 1157836
Miquel Ribot
  • Function : Author
  • PersonId : 1157837
Tenna Riis
  • Function : Author
  • PersonId : 1157838
Mechthild Schmitt-Jansen
  • Function : Author
  • PersonId : 1157839
Ahmed Tlili
  • Function : Author
  • PersonId : 1157840
Eugènia Martí
  • Function : Author

Abstract

Plastics, especially microplastics (<5 mm in length), are anthropogenic polymer particles that have been detected in almost all environments. Microplastics are extremely persistent pollutants and act as long-lasting reactive surfaces for additives, organic matter, and toxic substances. Biofilms are microbial assemblages that act as a sink for particulate matter, including microplastics. They are ubiquitous in freshwater ecosystems and provide key services that promote biodiversity and help sustain ecosystem function. Here, we provide a conceptual framework to describe the transient storage of microplastics in fluvial biofilm and develop hypotheses to help explain how microplastics and biofilms interact in fluvial ecosystems. We identify lines of future research that need to be addressed to better manage microplastics and biofilms, including how the sorption and desorption of environmental contaminants in microplastics affect biofilms and how microbial exchange between microplastics and the biofilm matrix affects biofilm characteristics like antibiotic resistance, speciation, biodiversity, species composition, and function. We also address the uptake mechanisms of microplastics by consumers and their propagation through the food web.
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Dates and versions

hal-03759097 , version 1 (23-08-2022)

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Cite

Helena Guasch, Susana Bernal, Daniel Bruno, Bethanie Carney Almroth, Joaquin Cochero, et al.. Interactions between microplastics and benthic biofilms in fluvial ecosystems: Knowledge gaps and future trends. Freshwater Science, 2022, 41, pp.442 - 458. ⟨10.1086/721472⟩. ⟨hal-03759097⟩

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