Stones have been ‘overfished’ from the sea – here’s how Denmark’s rocky reefs are being restored
At the end of the last ice age, billions of boulders and cobbles were left scattered over southern Scandinavia. Huge ice sheets had dragged the rocks from mountainous regions further north down to the Baltic Sea areas. When those ice sheets retreated and sea levels rose, these colossal boulders became…
The Conversation ·