The Marine Benthic Algae Diversity of Gabon: Case of the Rocky Foreshore of Cap Estérias

This study has allowed to classify the marine macroalgae from intertidal zone on Atlantic side of Cap Estérias (Gabon). area a rich biodiversity but very few studies in knowledge benthic have been done. The first algae Gabonese coast was made February 1974 by John and Lawson. article revised transcribe books our would aim update existing collection. census is spread over year August 2020 2021 detailed carried out year, with regard this part coast. know specific diversity, determine structure flora its time. results show significant algal diversity thirty five (35) identified species. Three classes were determined percentage species class (%EC): Floridaophyceae at 50% EC, Phaeophyceae 30% EC Ulvophyceae 20% EC. red are most common sixteen (16) against twelve (12) brown seven (7) green algae. presents Dictyotaceae family which diverse 7 found. Some seen appear collection et al., others new encountered Gabon such as Caulerpa sertularioides, Bryopsis plumosa (two Ulvophytes), Padina arborescens Pheophyte Galaxaura filamentosa, Digenea simplex,Hildenbrandia rubra, Asparagopsis armata Caulacanthus ustulatus Rhodophytes. permanently present, they found all seasons abundance July September.