2l8 



FORESTRY IN NEW ENGLAND 



reserving groups of trees. See chapter on silvicultural systems.) 

 On a slope intersected with small gullies and ravines, the seed 

 trees should be located on the higher ground where the seed can 

 be scattered over the ground below. The greater part of the 

 stand is cut clear, leaving these clumps of trees to scatter seed 

 over the clear-cut area. An ideal arrangement would be to have 

 two or three trees in a clump on each acre, but frequently the 



By permission oj the U. S. Forest Service. 



Fig. 75. — The result of leaving scattered trees in exposed positions is seen in these wind- 

 falls. Spruce slope type. 



groups must be bigger than this, for their own protection, and 

 are accordingly farther apart. Great care must be exercised to 

 have the groups large enough to withstand wind, as they will 

 frequently have to be left on top of knolls and ridges. Usually 

 a few firmly-rooted trees can be found if time is taken to look for 

 them. 



It is often unnecessary to leave large merchantable trees as 

 seed trees, because clumps of middle-aged trees capable of bear- 



