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USFS Logo Research Data Archive
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The continuing decadence of yellow birch over 200 years old create openings favorable for beech and other tolerant hardwoods.
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Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: personnel
hardwood
old growth
Organisms: yellow birch
beech
Location: Paul Smith Experimental Forest
Description: The continuing decadence of yellow birch over 200 years old create openings favorable for beech and other tolerant hardwoods.
Date: 1950

Large yellow birch more than 200 years old, before the stand was cut.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: pre-harvest
old growth
Organisms: yellow birch
Location: Paul Smith Experimental Forest
Description: Large yellow birch more than 200 years old, before the stand was cut.
Date: 1950

Mature hemlock and yellow birch probably exceeding 200 years of age. An analysis of growth rings on nearby hemlock stumps indicates that severe windfall probably occured about 1790, and that cutting occurred about 1860 and 1905.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: personnel
old growth
blowdown
post-harvest
Organisms: hemlock
yellow birch
Location: Paul Smith Experimental Forest
Description: Mature hemlock and yellow birch probably exceeding 200 years of age. An analysis of growth rings on nearby hemlock stumps indicates that severe windfall probably occured about 1790, and that cutting occurred about 1860 and 1905.
Date: 1950

Clear lengths on two large red spruce and a yellow birch. They are more than 200 years.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: old growth
Organisms: red spruce
yellow birch
hemlock
Location: Paul Smith Experimental Forest
Description: Clear lengths on two large red spruce and a yellow birch. They are more than 200 years.
Date: 1950

Mature norther hardwoods containing many intermediate beech. In this stand ages of mature trees averaged; hard maple 235, yellow birch 218, and beech 230.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: personnel
hardwood
old growth
Organisms: beech
maple
yellow birch
Location: Paul Smith Experimental Forest
Description: Mature norther hardwoods containing many intermediate beech. In this stand ages of mature trees averaged; hard maple 235, yellow birch 218, and beech 230.
Date: 1950