Edited by: Mauro Varotto e Roland Psenner

This book contains the results which emerged out of the conference of the “Mountain Network” in Belluno, October 13, 2001, with the participation of E. De Col, O. De Bona (Depopulation in the province of Belluno), Ch. Smekal (Depopulation of the mountains, the example of Tyrol), E. Turri (new landscapes in the mountains: urbanization of alpine valleys), A.v. Cerutti (Population in the region of Valle d’Aosta).