Storie vitali peculiari del benthos di substrato duro nei S.I.C. marini marchigiani.

The decision about the level of conservation of a marine site must take in consideration not only the presence of several endangered species but also the existence of peculiar life histories related to local hectors. This is the case of the marine SCIs of Marche where the biodiversity of rocky benthic communities is affected by the geographic position of the area, the strong seasonality of' the assemblages and the high instability of the substrata