Fig. 4From: Possibilities of using the German Federal States’ permanent soil monitoring program for the monitoring of potential effects of genetically modified organisms (GMO)Distribution of PSM sites (blue dots) and MON810 field sites (red dots) on exemplary federal states (Brandenburg, Hesse, Lower Saxony and Schleswig–Holstein). Data sources: environmental agencies of the federal states for the PSM sites; public location register of the German Federal Office of Consumer Protection and Food Safety (BVL) for the MON810 field sitesBack to article page