340 



FORESTRY IN NEW ENGLAND 



a great deal of grazing occurs on lands partly or completely 

 forested. Damage by browsing is not so important as in the 

 northern hardwoods region, because here the chief species, 

 white pine, is practically immune from browsing by animals. 

 The principal injury through grazing in the region is in lower- 

 ing the reproduction of a tract, through partial stocking of the 

 forest and competition of grass with the trees. 



i.'5. — An open stant: 



jf the white pine type. I'li^ I.l . - 

 ings is due to the grazing of stock. 



-iruductiuii in the opea- 



What has been said under the northern hardwoods region, in 

 regard to using lands either altogether for grazing purposes or 

 for forestry purposes, appHes in the white pine region. 



Protection Against Insects and Fungi. — The white pine wee- 

 vil is one of the most injurious insects in the forest of this 

 region. It is abundant everywhere attacking the white pine, 

 and should be looked for on every tract. Its habits and the 

 method of prevention have been given in Chapter VII. 



Both the gipsy ^ and brown-tail ^ moths are working in re- 

 stricted portions of the white pine region. The damage done 



1 See Chapter VII. 



