We are involved in a number of national and international collaborations.
- DFG-SPP 1374 Biodiversity Exploratories
- DFG Research Unit 918 “Carbon flow in belowground food webs assessed by isotope tracers”
- The EU-project “Ecological Function and Biodiversity Indicators in European Soils” (EcoFINDERS)
- The Nutrient Network
- Institute of Ecology and Biological Resources (Hanoi, Vietnam)
- Zoo Köln