Thora Lieke: “Humic substances in Aquaculture - Increasing stress resistance and immune system”(main advisors: Werner Kloas, Klaus Knopf)
Hossein Masigol: “the role of fungi and fungi-like organisms in the degradation of dissolved organic matter” (main IGB advisor: H.-P. Grossart)
Sonia Herrero-Ortega: “Greenhouse gases in urban freshwaters” (advisors: Mark Gessner, Peter Casper, Gabriel Singer)