DETAILS OF THE METHOD 87 



produce seed every year and seedlings have difficulty in becom- 

 ing firmly established when the area is cut over each year. 

 To avoid these difficulties what is known as a cutting cycle is 



FIG. 27. 



A portion (one acre) of an ideal single tree selection stand, managed on a 

 rotation of 100 years, with a complete series of age classes on every acre, each 

 occupying approximately the same area. The numbers indicate the ages of the 

 trees occupying given portions of the acre. 



established. Under this scheme the entire forest is not cut 

 over each. year; but it is divided into certain distinct stands. 

 The cutting in a given year is restricted to one of these areas. 



