Fig. 3

MDS based on a qualitative (presence/absence) and b quantitative similarities (Bray–Curtis index) among the molluscan assemblages of different seasons (July 1999 to June 2000) and times of day in a Cymodocea nodosa bed (10–14 m depth); empty symbols = diurnal samples, solid symbols = nocturnal samples, triangles = cold month samples (D December, M March), circles = warm month samples (J July, Jn June)