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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 63
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Large red spruce and eastern hemlock with a sapling understory of balsam fir in a selection stand, in MU16
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU16
Compartment Management Study
selection system
regeneration
Organisms: red spruce
eastern hemlock
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Large red spruce and eastern hemlock with a sapling understory of balsam fir in a selection stand, in MU16
Date:

Prolific balsam fir reproduction and some red spruce in a forest opening in a selection stand, in MU16
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU16
Compartment Management Study
selection system
regeneration
Organisms: balsam fir
red spruce
Location: Penobscot Experimental Forest; Maine
Description: Prolific balsam fir reproduction and some red spruce in a forest opening in a selection stand, in MU16
Date:

White spruce 10 inches dbh, balsam fir coming in opening, larger fir are 6 feet tall, in MU2
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU2
Farm Woodlot Study
selection system
regeneration
Organisms: white spruce
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: White spruce 10 inches dbh, balsam fir coming in opening, larger fir are 6 feet tall, in MU2
Date:

Red spruce in MU20
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU20
Compartment Management Study
selection system
Organisms: red spruce
Location: Penobscot Experimental Forest; Maine
Description: Red spruce in MU20
Date:

Shelterwood silviculture, in MU21
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU21
Compartment Management Study
shelterwood system
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Shelterwood silviculture, in MU21
Date:

6-10 foot tall balsam fir in a 15 year-old opening in MU23
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
regeneration
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: 6-10 foot tall balsam fir in a 15 year-old opening in MU23
Date:

Person evaluating blowdown in MU23
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
damage
personnel
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Person evaluating blowdown in MU23
Date:

Image of conifer regeneration in MU29 (3-stage shelterwood)
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU29
Compartment Management Study
shelterwood system
regeneration
Location: Penobscot Experimental Forest; Maine
Description: Image of conifer regeneration in MU29 (3-stage shelterwood)
Date:

Image of conifer regeneration in MU29 (3-stage shelterwood) two years after final harvest of the overstory
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU29
Compartment Management Study
shelterwood system
regeneration
Location: Penobscot Experimental Forest; Maine
Description: Image of conifer regeneration in MU29 (3-stage shelterwood) two years after final harvest of the overstory
Date:

Edge of a strip clearcut with a metal seed trap visible in MU33
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
strip clearcut
regeneration
plot
Location: Penobscot Experimental Forest; Maine
Description: Edge of a strip clearcut with a metal seed trap visible in MU33
Date: