Forests are managed, exist and do function according to their own lows and are in a strong relation with the habitat where they are developing being strongly influenced by the environmental conditions, also in turn they strongly influence the environmental purity. Social and economic functionality of forest ecosystems lies in their ability to provide a range of goods and services in order to satisfy human needs.Economic evaluation of forest resources provides the change from a forestry household oriented to wood production to one based on the usage of wood forest complex. In many European countries such concern has became an economical priority. Accordingly, the protection functions performed by the forest have the capacity to maintain in present the economical value which being destroyed simultaneously with the forest decline cannot be achieved by further ecological restorations works only with great difficulty, at great expense and in an extended period of time.