Shear rate moderates community diversity in freshwater biofilms

  • Rickard A
  • McBain A
  • Stead A
 et al. 
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The development of freshwater multispecies biofilms at solid-liquid interfaces occurs both in quiescent waters and under conditions of high shear rates. However, the influence of hydrodynamic shear rates on bacterial biofilm diversity is poorly understood. We hypothesized that different shear rates would significantly influence biofilm diversity and alter the relative proportions of coaggregating and autoaggregating community isolates. In order to study this hypothesis, freshwater biofilms were developed at five shear rates (

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  • Alexander H. Rickard

  • Andrew J. McBain

  • Amy T. Stead

  • Peter Gilbert

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