Fig. 3From: Lugworm (Abarenicola affinis) in seagrass and unvegetated habitatsTotal number (a) and total length (b) of Abarenicola affinis (mm, mean values ± SD, n = 3–43) per burrow depth section in seagrass (shaded bars) and unvegetated habitat (open bars), sampled between summer 2007 and spring 2008Back to article page