Understanding and quantify the role played by undergrowth in the resilience and adaptation to climate change of the pine forest in Tunisia, by comparing the state of vegetation of the undergrowth species of a pine forest Aleppo at different bioclimatic stages in the southern Mediterranean of Tunisia (Mount of Zaghouan (upper subhumid climate with mild and temperate winters), Mount of Mansour (semi-arid lower to upper arid) and Mount of Sarej (semi-arid upper semi-arid with cold and temperate winter variations)).

Cork
Accessing site productivity in cork oak stands in Portugal
In recent decades, new cork oak plantation areas have been established in Portugal, not only in the traditional areas of distribution of the species but