1. Department of Biodiversity and Landscape Ecology; Osnabrück University; Osnabrück Germany
2. BHM Planungsgesellschaft mbH; Freiburg Germany
3. BIO-CONSULT; Belm/Osnabrück Germany
4. Potsdam Germany
5. Zikaden; Biodiversitätsforschung; Graslandmanagement; Göttingen Germany
6. Institute of Biodiversity and Landscape Ecology (IBL); Münster Germany