Fig. 4
Location of early medieval excavation sites (1 - Szczecin Mścięcino, 2 - Szczecin Zamek, 3 - Szczecin Rynek Warzywny) and 4 - fishing sites of the currently occurring mussels Unio pictorum and U. tumidus (Szczecin River Odra).
Fig. 4 | Scientific Reports
