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Key Topics:

  • Composition of microbial surface communities depending on the environmental conditions
  • Relevance of microbial surface communities in global processes and nutrient cycling (C-, N-cycle, dust transport, albedo)
  • Identification of microbial mechanisms and processes (C- and N-cycling mechanisms, microbial bioaerosol emissions, desert varnish, weathering processes)
  • Effects of atmospheric processes and climate change on microorganisms and feedback mechanisms (global change effects on C- and N-cycle, atmospheric transport affecting distribution mechanisms and atmospheric processes)

We employ a variety of techniques belonging to the fields of terrestrial plant ecology, soil biogeochemistry, molecular biology, remote sensing, and modeling, as e.g.:    

  • Field mapping techniques
  • Light and electron microscopy
  • Microclimate measurements and substrate analyses
  • Trace gas measurements (CO2, N2O, NO, HONO) in lab and field
  • Molecular analyses (DNA and protein analysis including NGS, Fluorescence In Situ Hybridization)
  • In-situ microsensor analyses
  • Hyperspectral remote sensing imagery and field spectroscopy
  • Global upscaling and modeling

We regularly supervise Bachelor, Master, and PhD theses on current research topics. Please contact us in the case of interest!


Univ.-Prof. Dr.

Bettina Weber

Head of the research group

Institute of Biology
Holteigasse 6
A-8010 Graz

Phone:+43 316 380 - 5694


Edith Weidner


Institute of Biology
Schubertstraße 51
8010 Graz

Phone:+43 316 380 - 5640

Mo.-Fr.: 8.00 - 12.00 Uhr

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