One of Earth's most biodiverse habitats lies off the Scottish coast – but climate change could wipe it out
Tuesday, September 15, 2020 - 09:30
in Paleontology & Archaeology
Maerl beds stud the ocean floor like underwater brambles. They're pastel pink and, despite their knobbly appearance, made up of a red seaweed. This algae has a limestone skeleton which gives it a complex three-dimensional structure that is quite unlike the slimy seaweeds you may be more familiar with.