Fig. 1From: Antifouling effects of the periostracum on algal spore settlement in the mussel Mytilus edulis Numbers of epibionts on periostraca of the wild and farmed mussel Mytilus edulis. Black and gray bars represent wild and farmed mussels, respectively. Regions are divided into five sections from the oldest umbo part (1) to the newer margin parts (5) of shells. Values are means ± SD (n = 100)Back to article page