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USFS Logo Research Data Archive
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Eastern hemlock tree showing the work of pileated woodpecker, hole was chiseled out to get an ants that infested the tree, in MU24 on May 24 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU24
Compartment Management Study
damage
wildlife
Organisms: eastern hemlock
pileated woodpecker
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock tree showing the work of pileated woodpecker, hole was chiseled out to get an ants that infested the tree, in MU24 on May 24 1955
Date: 5/24/1955

Eastern hemlock tree pruned by porcupines, in MU6 on October 21 1952
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU6
Compartment Management Study
selection system
damage
wildlife
Organisms: eastern hemlock
porcupine
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock tree pruned by porcupines, in MU6 on October 21 1952
Date: 10/21/1952

Eastern hemlock that had been pruned by porcupines
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
wildlife
Organisms: eastern hemlock
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock that had been pruned by porcupines
Date: