Fig. 4From: Habitat structure is more important than nutrient supply in modifying mussel bed assemblage in an upwelling area of the Peruvian coastEffect of Perumytilus purpuratus size on total abundance, feeding guilds and mobility groups of associated fauna, standardized by a cm2 of total shell area and b cm3 of gap (median; box, 25th to 75th percentiles; whiskers, 5th to 95th percentiles). Letters denote significant differences (α < 0.05)Back to article page