7 Acknowledgements
This study was supported by the project TransEcoNet (Transnational Ecological Networks), which is implemented through the Central Europe Programme co financed by ERDF. We would also like to thank the project Bioserv (Biodiversity of ecosystem services as scientific foundation for the sustainable implementation of the Redesigned Biosphere Reserve “Neusiedler See”) funded by the Austrian Academy of Sciences. Our personal thanks go to Stefan Schindler and Christa Renetzeder for helpful comments and revising the language.