The environment of the rock pools is characterised by drastic variations of the physical-chemical factors as regards meteo-marine changes and these fluctuations influence the structure and the dynamics of the ecological communities (1). Various studies on the rock pools of superior middle coast plane in the Gulf or Genoa (Ligurian Sea) were carried out (2-6); recently. the variations ... https://allfixelectricales.shop/product-category/parts/