FORESTRY IN SWITZERLAND. 



221 



Rates of periodical growth of five differen,t species at high altitudes^ by decades ( Upper 



Engadine). 



FOREST AREAS AND YIELD. 



■Latest statistics place the total area of woodland in all Switzerland at 

 785,374 hectares, or 1,940,659 square acres, which is about 19 per cent, of 

 the entire area orthe country. Of this, two-thirds consists in townships and 

 corporations forests, and seven-eighths of the remainder is private property, 

 and one-eighth the property of the cantons. The average annual yield is 

 estimated at about four dollars (^4.16) to the square acre from all sources; 

 the total yield being approximately estimated as follows : 



The percentage of yield appears, however, to be considerably higher in the 

 government forests than it is in the others, indicating their superior cultiva- 

 tion. For instance, the yield of wood per hectare (2.4 square acres) in private 



