Dr. Gaute Lavik

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Forschungsgruppe Biogeochemie

MPI for Marine Microbiology
Celsiusstr. 1
D-28359 Bremen




+49 421 2028-651

Dr. Gaute Lavik


  • Marine nitrogen cycle
  • Nitrogen fixation
  • Nitrogen loss processes and rates
  • Nutrient cycling across the chemocline in the water column and sediments
  • Natural abundance isotope fractionation.
  • Fate of nitrate in ground-waters entering the marine environment
  • Coupling of nitrate/nitrite reduction and Mn/Fe/H2S oxidation
  • Paleao-variations in availability nutrients the South Atlantic by using natural abundance nitrogen isotopes


  • High resolution marine chemistry
  • Natural abundance stable isotopes (nitrogen and carbon)
  • Experimental design and setup for field and lab experiments
  • Rate determination at “In Situ” condition and manipulations experiments
  • Membrane inlet mass spectrometry (MIMS)
  • Continuous flow masspectrometry (EAMS/GCMS)
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