Fig. 1
Königshafen (Wohlenberg 1937: Abb. 1) at the island of Sylt in the northern Wadden Sea (above): dunes in black, saltmarsh is stippled, low tide line is dotted; bars mark intertidal transects, and the left half of transect D in western Königshafen corresponds to the position of the mapped area of 150 × 250 m (below). Stippled: saltmarsh with Puccinellia (Atropis) maritima, two creeks are indicated leaving the marsh; transverse hatching: mats of cyanobacteria with castings of the staphilinid beetle Bledius spectabilis; transverse hatching in opposite direction with dots: belt with mudshrimp Corophium volutator and ragworm Nereis diversicolor; thin and bold horizontal dashes: Zostera noltii (nana) and Z. marina (angustifolia), respectively; hatched caps: mussels Mytilus edulis with or without wrack Fucus vesiculosus forma mytili. Other symbols refer to polychaetes or clams (spat)