It is a remarkable ecosystem with Quercus suber, Quercus coccifera and Quercus. rotundifolia (rare) very well preserved with a very diverse range of flora and fauna and with a high specific richness. One of the very rare Quercus coccifera climaxes in Morocco. The SIBE Brikcha is characterized by a dense climacic vegetation organized by cork oak, holm oak, zene oak and kermes oak with a very rich floristic cortege.