from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Two or three species of calcareous algae in the Corallinaceae family, that grow on the seabed.
- n. A fertilizer derived from this algae.
Sorry, no etymologies found.
Greenpeace say the area in question is the only one off Sweden known to hold maerl beds, formed from slow-growing algae, and bubble reefs made of lime deposit, and is vulnerable to bottom trawling.