Dark CO2 Fixation is Driven by Microbial Biomass in Temperate Forest Soils and Enhanced over a Sub-ambient to Elevated CO2 Gradient.

Rachael Akinyede1, Martin Taubert1, Marion Schrumpf2, Susan Trumbore2 and Kirsten Küsel1, (1)Aquatic Geomicrobiology, Institute of Biodiversity, Friedrich Schiller University, Jena, Germany, (2)Department of Biogeochemical Processes, Max Planck Institute for Biogeochemistry, Jena, Germany