Fig. 4

Location of the study areas and test sites in the Lake Balaton basin (Central Europe, Hungary) (satellite image from Google Maps). Study areas: A1 – Kis-Balaton (Phase II), A2 – Nagyberek (Fehérvíz), A3 – Ordacsehi-berek, study sites: S1-S9. Blue lines delimit Natura 2000 areas.