How deep can surface signals be traced in the Critical Zone? Merging biodiversity with biogeochemistry research in a karst central German landscape

Susan Trumbore, Max Planck Institute for Biogeochemistry, Jena, Germany, Kirsten Küsel, Friedrich Schiller University Jena, Aquatic Geomicrobiology, Institute of Biodiversity, Jena, Germany, Kai Uwe Totsche, Friedrich Schiller University of Jena, Institute of Geosciences, Jena, Germany and Christine Steinhauser, Friedrich Schiller University, Jena, Germany