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FORESTRY IN NEW ENGLAND 



resistant species, like oaks, increase in contrast to easily killed 

 species. Scrub oak especially is aided in spreading by fires. 

 Light seeded species, like gray birch, soft maple, and poplar, 

 preferring an exposed soil for a seed-bed, increase on the burned 



Fig. 138. — Chestnut and oak stand 40 years old after a damage cutting which removed 

 over 50 per cent of the stand. The cutting removed trees injured by lire, 



areas, resulting in a stand of valuable hardwoods mixed with 

 these inferior species. The producing power of the woodlands 

 has in many cases been seriously reduced by repeated forest 

 fires. 



In length, the forest fire season coincides with that of the 

 white pine region, extending from early in March until late in 



