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  • The map was produced by the Federal Maritime and Hydrographic Agency (BSH) and depicts the sediment conditions within the German Exclusive Economic zone and coastal areas in a scale of 1:250.000 (Laurer et al. 2014). Grain size fractions were classified according to the sediment calssification system of Figge (1981) and grouped to polygons data layers covering the entire area of interest (for detailed information please refer to Laurer et al. 2014). The sediment classes according to Figge (1981) formed the basis to differentiate the three EUNIS level 3 habitat types sublittoral sand, mud and coarse sediments.