evidence: Klek Peninsula and Neum Neum-Klek bay is a well-known and rare botanical reserve - Mediteranetum. Mediterranean region is present in the Adriatic province with climatogenetic vegetation of sclerophyllous evergreen oak forest (Orno-Quercetum illicis). As the result of a long-lasting human influence on sclerophyllous evergreen oak forest eco-system, there are vast rocky desserts, rocky pastures and shrubs, with the production of biomass, which in relation to climatogenetic forest of this area decreased to 50 %, and in extreme cases even to 0 % (rocky desert).