Table 1
Attachment and germination of algal spores on periostracum peels of the mussel Mytilus edulis

	Relative attachment^c (%)	Relative germination^c (%)
Periostracum peels^a	232/629 (36.8 %)*	10/299 (3.3 %)**
Reference^b	1532/1823 (84.0 %)	1042/1288 (80.9 %)