Figure 1: Egg release during 2 h sampling intervals (n = 5 ± SE) by hermaphroditic (circles) Fucus spiralis, Fucus guiryi, and dioecious (triangles) Fucus vesiculosus and Fucus serratus at two replicate sites (open and closed symbols) during four neap tide periods.
Black lines show tidal heights and grey bars the night periods.
