Reforested areas in the Baza (Granada) and Los Filabres (Almería) mountain ranges have experienced severe die-offs in recent years, with extensive woodland loss. Needle or leaf loss (defoliation) is one of the best indicators of tree health, particularly in pine forests under stress. When trees los e their needles, or leaves, their photosynthetic capacity deteriorates significantly, reducing growth and often leading to mortality. ...read more read less