1. Terrestrial Ecology Research Group; Department of Ecology and Ecosystem Management; School of Life Sciences Weihenstephan; Technische Universität München; Freising D-85354 Germany
2. Cartography; Department of Spatial and Environmental Sciences; Trier University; Trier D-54286 Germany
3. Chair of Ecology and Biogeography; Nicolaus Copernicus University Toruń; Toruń PL-87-100 Poland
4. Senckenberg German Entomological Institute; Müncheberg D-15374 Germany
5. Zoology; Institute of Biology; Faculty of Natural Sciences I; Martin Luther University Halle-Wittenberg; Halle an der Saale D-06099 Germany