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SUMMARY:EESS talk on "How relevant are benthic biofilms to assess ecotoxic
 ological effects in fresh waters? "
DTSTART:20210518T121500
DTEND:20210518T130000
DTSTAMP:20260925T061637Z
UID:85365540c088a1fcd8d7fe1475641a09b10a10423046240f0a304d9e
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Ahmed Tlili\, Group leader\, Aquatic Biofilms Group\, Dept.
  Environmental Toxicology\, EAWAG\nAbstract:\nBenthic biofilms\, a consort
 ium of auto- and heterotrophic organisms embedded in an extracellular poly
 mer matrix\, are involved in critical ecosystem functions and form the bas
 is of the food web in streams. Organisms composing these biofilms are very
  sensitive to chemicals\, justifying their use as indicators of toxicant e
 xposure. Therefore\, this talk will focus on the relevance of using stream
  biofilms as an interface to assess effects of toxicants on biological com
 munities. Several case studies will be discussed to illustrate the theoret
 ical background of this topic and provide mechanistic insights on how chem
 icals affect the structure and functions of microorganisms within the comm
 unity and how the community responds.\n\nShort biography:\nDr Ahmed Tlili 
 who has a PhD in ecotoxicology and microbial ecology\, obtained in 2010 a
 t the University of Claude Bernard Lyon 1 and INRAE in France. From 2011 t
 o 2017\, he had two postdoctoral periods\; the first one at the Leibniz-In
 stitute for Freshwater Ecology and Inland fisheries (IGB) in Germany\, and
  the second at Eawag in Switzerland where he worked on the effects of nano
 particles and wastewater treatment plants on stream ecology\, respectively
 .\n\nSince 2017\, he heads the Aquatic Biofilms group in the Department of
  Environmental Toxicology at Eawag and his research focuses on examining t
 he mechanisms underlying toxicity of pollutants in freshwater biofilms\, e
 xploring adaptive and toxicological response pathways to stressors\, and s
 tudying the consequences for populations\, communities and ecosystems.
LOCATION:ZOOM https://epfl.zoom.us/j/84677261593
STATUS:CONFIRMED
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