NATURAL REGENERATION. 



151 



that marked s in the seeding stage, the one marked p in 

 the preparatory stage, and the rest of the area marked 

 u is forest as yet untouched. The process of regenera- 

 tion in each strip is the same as that described in the 

 case of the compartment system; there are the three 

 stages one following the other. 



WEST. 



EAST. 



Nothing definite can be said regarding the breadth of 

 the strips ; it depends on the species and the local 

 conditions. Those who advocate the system say that, 

 ordinarily, the breadth should not exceed the height of 

 the trees. There is no limit to the length of the strips. 



The operation should generally commence on that 

 side of the wood which is opposite to the prevailing 

 wind direction ; this rule may be overridden by other 

 considerations, for instance an unfavourable distribution 



