maerl

maerl

Observation - maerl. Description: A calcified seaweed (coralline algae) Occasionally found in abundance on shores here but rarely a whole, gently-weathered piece, like this. Said to be a very good soil conditioner and plant food.

A calcified seaweed (coralline algae)
Occasionally found in abundance on shores here but rarely a whole, gently-weathered piece, like this.
Said to be a very good soil conditioner and plant food.
WoRMS name