Mr Gharial 28 Feb 2023 The typical Dutch dikes made of Basalt rocks provide an interesting form of artificial reefs. Small colonies of Common Periwinkles are between every nook and cranny, probably hundreds every square meter. As well as Blue mussels and Oysters.
The typical Dutch dikes made of Basalt rocks provide an interesting form of artificial reefs. Small colonies of Common Periwinkles are between every nook and cranny, probably hundreds every square meter. As well as Blue mussels and Oysters.