168 
m 
Forest present only in 1994 
Forest present only in .1954 
Forest present both in 1954 and in 1994 
Non forest area 
Fig. 15 Forest area change 1954-1994. 
5. BIBLIOGRAPHY 
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Fox L. 1989. A classification, map, and volume estimate 
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Smantri !., Endom W., 1992. Monitoring changing of 
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ACKNOWLEDGEMENT 
The authors would like to thank Waiter Beozzo, Stefano 
Menegon and Marcello Nascimbeni. 
NOTE 
As in the Italian law n.68 2/2/1960 IGM allows the 
publication of the 1994 ortho-photo n.475 12/18/1996, the 
publication of the 1983 aerial photograph n.76 2/2/84 and 
the publication of the 1983 aerial photograph n.7 5/9/72.