"Figure 1: Small steel panels (test bodies) are fixed on a ""mother-steel-plate"" for the study of biofouling communities and their succession over the year. The plates are mounted at the pier of a harbour basin in the isle of Helgoland. Figure 2: Spar buoy equipped with steel framework and test bodies during a test of its floatability in the harbour basin. Figure 3: Moorings of two buoys with test bodies for the study of biofouling communities in the Nordergründe area (Außenweser, Southern North Sea)"
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