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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
  • Data analysis using software solutions developed in-house. The code is regularly published on GitHub and can be accessed here and here.

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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