84' 

 Section VI. — The working scheme undeb the metho3> 



OF CI/EAKANCES. 



1. General worliiug gcbenie.— This method, as already ex- 

 plained, includes several different forms, vie., clearings on 

 adjacent areas, clearings on alternate parallel strips, and clean 

 fellings -with artificial regeneration. In all these modifi- 

 cations the possibility is determined by area, as in the 

 method of simple coppice, and the number of coupes, if 

 annual, is in each case made equal to the number of years, 

 in the exploitable age ; if biennial, to half the number of 

 years, etc. Tlie fellings are, however, prescribed with some 

 slight differences in each of the modifications. 



In the system of clearings on adjacent areas the exploit- 

 able age having been determined, the whole area is divided 

 into as many coupes of equal fertility or equal resources 

 as there are years in tbe exploitable age, or, if necessary, 

 into one-half or one-third as many biennial or triennial 

 coupes, one of which would be felled every year or every 

 tw^o or three years, as the case might be. The clearances 

 made may be either clear fellings, or a certain number of trees 

 may be reserved to grow to a larger size and to assist in the 

 regeneration by the seed they shed. Where no trees are 

 reserved, natural regeneration by seed can only be secured 

 from seed shed by adjacent trees, and the average area of 

 the clearances should, therefore, be small. 



The object of the strip system, which is the same in 

 principle as that of the method of adjacent areas, is to ensure 

 natural regeneration taking place over large areas. With 

 this object long narrow strips are marked out on the ground, 

 and every alternate strip is cleared until the whole area has 

 teen traversed, when tbe alternate strips, omitted at the 

 first passage of the cuttings, are clean felled in their turn. 

 By these means a newly felled coupe has, as it were, a hedge 

 of seed bearing and sheltering trees on either side of it. 

 Larger areas may obviously be felled without risking failure 

 of reproduction than in the case of the method of adjacent 

 areas, and as in that method reserves may be left if 

 desirable. 



The system of clean-fellings with artificial regeneration is 

 applied in the same way as the method of clearings, except 

 that, instead of trusting to reproduction from seed falling 

 from the reserved trees or from the adjacent forest, the area 



