The history of oak decline in Zagros forests

Oak decline is a multidimensional and complex phenomenon, involving the interaction of biotic and abiotic factors. The history of this phenomenon goes back more than three centuries ago and the latest has occurred in some European countries during 1980s. Zagros oak forests faced with this phenomenon since 2002s. Nowadays, more than one million hectares of Zagros oak stands is affected by oak decline syndrome. Administrative and technical operations have made clear different aspects of the crisis; however, full control of this crisis requires serious commitment and attention to the importance of it.