Introduction Opening | Heritage | Diversity |     The landscape is evaluated by four criteria : "Diversity", "Heritage", "Opening", and "Maintenance". Each criterion can be illustrated with a succession of 3 pictures representing landscape evolution. Introduction Opening Heritage | Diversity |     Définition   TheOPENING in relation to view obstructions by hedges or cultures. Introduction | Opening Heritage Diversity |     Définition   The HERITAGE as a transmission of agricultural practices from one generation to an other. Introduction | Opening | Heritage Diversity     Définition   The DIVERSITY in relation to the cropping plan type linked to the crops and fields size. précédent «||» suivant   Reception | Authors | Principles of an indicator Critères