Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/5636
Is Reference of Sustained yield timber management-en#Sense
Διαχείριση δάσους συνεχούς απόδοσης-el#Sense
Gestione forestale ad alto rendimento-it#Sense
Gestion forestière à rendement soutenu-fr#Sense