Fig. 1From: Age and site-specific pattern on encrustation of charophytesMap of investigated sampling sites (QGIS version 3.2, GeoBasis-DE/BKG 2018). Sites are abbreviated as first three letters: Krüselinsee (Krü), Lützlower See (Lüt), Angersdorfer Teiche (Ang), Asche (Asc) and Bruchwiesen (Bru)Back to article page