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USFS Logo Research Data Archive
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Displaying items 1 - 20 of 411
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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce beetle
spruce
bark beetle
Location: Mt. Graham; AZ; United States
Description: Spruce beetle outbreak
Date: 06/2000


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce beetle
spruce
bark beetle
Location: Mt. Graham; AZ; United States
Description: Nepytia first attacked these Spruce but Spruce beetle has killed them.
Date: 06/2000


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce beetle
spruce
bark beetle
Location: Mt. Graham; AZ; United States
Description: Spruce beetle infested Spruce
Date: 2000


more info/bigger image
Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce beetle
spruce
bark beetle
Location: Mt. Graham; AZ; United States
Description: Spruce Beetle larvae
Date: 2000


more info/bigger image
Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce
Nepytia
Location: Mt. Graham; AZ; United States
Description: Heavy defoliation
Date: 04/23/1998


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce
Nepytia
Location: Mt. Graham; AZ; United States
Description: Spruce stripped by Nepytia
Date: 04/23/1998


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce
Nepytia
Location: Mt. Graham; AZ; United States
Description: Nepytia defoliation
Date: 04/1998


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce aphid
spruce
Location: AZ; United States
Description: Spruce aphid defoliation
Date: 05/1997


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce aphid
spruce
Location: Fort Apache; AZ; United States
Description: Spruce aphid damage
Date: 03/1997


more info/bigger image
Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce aphid
spruce
Location: AZ; United States
Description: Spruce aphid defoliation
Date: 1997


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce
Location:
Description: Defoliation
Date: 1991


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Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: spruce
Location:
Description: Defoliation
Date: 1991

Equipment used for cutting conifers along the road in the Logging Study, in MU2 in 1984
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU2
Logging Study
shelterwood system
equipment
logging
road
Organisms: balsam fir
spruce
Location: Penobscot Experimental Forest; Maine
Description: Equipment used for cutting conifers along the road in the Logging Study, in MU2 in 1984
Date: 1984

Stand before second commercial clearcut, in MU8 in 1983
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU8
Compartment Management Study
commercial clearcut
Organisms: spruce
balsam Fir
Location: Penobscot Experimental Forest; Maine
Description: Stand before second commercial clearcut, in MU8 in 1983
Date: 1983

Completed spacing favoring spruce, uniform shelterwood stand, in MU23 on March 29 1982
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
thinning
release
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Completed spacing favoring spruce, uniform shelterwood stand, in MU23 on March 29 1982
Date: 3/29/1982

Completed uniform shelterwood spacing job favoring spruce with a few hardwoods in MU23 on March 29 1982
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
personnel
thinning
release
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Completed uniform shelterwood spacing job favoring spruce with a few hardwoods in MU23 on March 29 1982
Date: 3/29/1982

Two-meter-wide corridor-only spacing (row thinning) in an uniform shelterwood stand on a somewhat poorly to poorly drained site, in MU23 on March 29 1982
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
thinning
Organisms: spruce
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Two-meter-wide corridor-only spacing (row thinning) in an uniform shelterwood stand on a somewhat poorly to poorly drained site, in MU23 on March 29 1982
Date: 3/29/1982

Management unit sign, unspaced trees behind and trees spaced 2-by-3-meters across the road on the right, in MU23 on March 29 1982
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
thinning
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Management unit sign, unspaced trees behind and trees spaced 2-by-3-meters across the road on the right, in MU23 on March 29 1982
Date: 3/29/1982

Spruce sapling next to a range pole in a stand regenerated with uniform shelterwood, in MU23 in March 1981
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
regeneration
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Spruce sapling next to a range pole in a stand regenerated with uniform shelterwood, in MU23 in March 1981
Date: Mar-81

"Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings in Study 58 in the 1980s
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings in Study 58 in the 1980s
Date: 1980s