1. Department of Terrestrial Ecology Nederlands Instituut voor Ecologie NIOO KNAW NL‐6700 AB Wageningen The Netherlands
2. Department of Special Botany and Functional Biodiversity Institute of Biology University of Leipzig D‐04103 Leipzig Germany
3. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
4. Laboratory of Nematology Wageningen University NL‐6700 ES Wageningen The Netherlands
5. Department of Soil Quality Wageningen University NL‐6700 AA Wageningen The Netherlands