Articles | Volume 6, issue 1
https://doi.org/10.5194/esurf-6-203-2018
https://doi.org/10.5194/esurf-6-203-2018
Research article
 | 
16 Mar 2018
Research article |  | 16 Mar 2018

Quantifying biostabilisation effects of biofilm-secreted and extracted extracellular polymeric substances (EPSs) on sandy substrate

Wietse I. van de Lageweg, Stuart J. McLelland, and Daniel R. Parsons

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Latest update: 23 Apr 2024
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Short summary
Sticky sediments are an important component of many rivers and coasts. Stickiness depends on many factors including the presence of micro-organisms, also known as biofilms. We performed a laboratory study to better understand the role of biofilms in controlling sediment transport and dynamics. We find that sand with biofilms requires significantly higher flow velocities to be mobilised compared to uncolonised sand. This will help improve predictions of sediment in response to currents and waves.