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USFS Logo Research Data Archive
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Displaying items 1 - 50 of 56
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Grass competition plots
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
reproduction
natural vegetation
sample plot
Location: Fort Valley Exp. Station; AZ; USA
Description: Grass competition plots
Date: 10/1941

Grass Competition Plots
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
denuded
Location: Fort Valley Exp. Station; AZ; USA
Description: Grass Competition Plots
Date: 10/1941


more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
Location: AZ; USA
Description: Not Available
Date: 11/20/1939

Planting in denuded spot
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
seeding/planting
Location: Fort Valley Exp. Forest; AZ; USa
Description: Planting in denuded spot
Date: 09/1939

Ponderosa Pine encroaching
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Ponderosa Pine encroaching
Date: 07/31/1938

Ponderosa Pine encroaching
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Ponderosa Pine encroaching
Date: 07/31/1938

burn in cutover ponderosa pine
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
fire-effects
Organisms: ponderosa pine
Location: Kaibab N. F.; AZ; USA
Description: burn in cutover ponderosa pine
Date: 07/1938

burn in cutover ponderosa pine
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
fire-effects
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: burn in cutover ponderosa pine
Date: 07/1938

Bunchgrass-pine competition
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
exclosures
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; Az; USA
Description: Bunchgrass-pine competition
Date: 10/28/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: erosion
grasses
exclosures
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; Az; USA
Description: Bunchgrass-pine competition
Date: 10/28/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
exclosures
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; Az; USA
Description: Bunchgrass-pine competition
Date: 10/07/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; Az; USA
Description: Bunchgrass-pine competition
Date: 10/07/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
dendrochronology
denuded
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Bunchgrass-pine competition
Date: 10/07/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Bunchgrass-pine competition
Date: 10/06/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Bunchgrass-pine competition
Date: 10/06/1937

Grass-pine competition experiment near S3A
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Grass-pine competition experiment near S3A
Date: 10/06/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; Az; USA
Description: Bunchgrass-pine competition
Date: 10/01/1937

Pine-grass-competition experiment near S3A
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Pine-grass-competition experiment near S3A
Date: 10/01/1937

Pine-grass-competition experiment near S3A
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Pine-grass-competition experiment near S3A
Date: 10/01/1937

Experimental planting to compare results in bunchgrass
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: personnel
grasses
period attire
denuded
Location: Fort Valley Exp. Forest; AZ; USA
Description: Experimental planting to compare results in bunchgrass
Date: 10/01/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Bunchgrass-pine competition
Date: 09/21/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
exclosures
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; Az; USa
Description: Bunchgrass-pine competition
Date: 09/21/1937

Bunchgrass-pine competition
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Bunchgrass-pine competition
Date: 09/1937

Grass-pine competition series, S3B, rodents excluded
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: fire
grasses
exclosures
denuded
seedling
sample plot
Location: Fort Valley Experimental Forest; AZ; USA
Description: Grass-pine competition series, S3B, rodents excluded
Date: 1933

Grass-pine competition series, S3B
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
research techniques
sample plot
Location: Fort Valley Experimental Forest; AZ; USA
Description: Grass-pine competition series, S3B
Date: 1933

Heavy grass, Festuca arizonica, matted down by previous winters' snow
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: snow
grasses
protected area
sample plot
Location: Fort Valley Experimental Forest; AZ; USA
Description: Heavy grass, Festuca arizonica, matted down by previous winters' snow
Date: 06/01/1930

Coc S3B PSP repeat photo
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: snow
grasses
seedling
sample plot
repeat set
Location: Fort Valley Experimental Forest; AZ; USA
Description: Coc S3B PSP repeat photo
Date: 06/1930

Outside of sample plot S3B, northeast corner looking northeast
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
regeneration
seedling
sample plot
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Outside of sample plot S3B, northeast corner looking northeast
Date: 06/1930

Good stand of 1919 seedlings in old slash in background, very few in grass
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grazing
San Francisco Peaks
grasses
animal damage
reproduction
Location: Le Barron Ranch; AZ; USA
Description: Good stand of 1919 seedlings in old slash in background, very few in grass
Date: 06/1930

Festuca arizonica
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
repeat set
Location: Fort Valley Experimental Forest; AZ; USA
Description: Festuca arizonica
Date: 05/26/1930

ponderosa pine regeneration
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
reproduction
sample plot
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: ponderosa pine regeneration
Date: 5/16/1930

Festuca Arizonica in pine-grass competition experiment
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Festuca Arizonica in pine-grass competition experiment
Date: 11/20/1929

ponderosa pine reproduction
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
regeneration
sample plot
Location: Fort Valley Experimental Forest; AZ; United States
Description: ponderosa pine reproduction
Date: 1928

ponderosa pine regeneration
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
regeneration
sample plot
Location: Fort Valley Experimental Forest; AZ; United States
Description: ponderosa pine regeneration
Date: 1928

ponderosa pine regeneration
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
regeneration
sample plot
Location: Fort Valley Experimental Forest; AZ; United States
Description: ponderosa pine regeneration
Date: 1928

brush piles and western yellow pine
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
regeneration
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: brush piles and western yellow pine
Date: 10/08/1920

Brush piles 10 years old
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: decay
grasses
regeneration
brush
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Brush piles 10 years old
Date: 10/08/1920

grass plots
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: understory
grasses
sample plot
Location: Tusayan National Forest; AZ; United States
Description: grass plots
Date: 08/31/1920

Coconino Sample Plot S3A
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: understory
grasses
denuded
sample plot
Location: Tusayan National Forest; AZ; United States
Description: Coconino Sample Plot S3A
Date: 08/30/1920

grass plots
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: understory
grasses
denuded
sample plot
Location: Tusayan National Forest; AZ; United States
Description: grass plots
Date: 08/30/1920

grass plots
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: understory
grasses
denuded
sample plot
Location: Tusayan National Forest; AZ; United States
Description: grass plots
Date: 08/30/1920

Image not available

more info
Collection: Fort Valley Experimental Forest historical photographs
Keywords: understory
grasses
denuded
sample plot
Location: Tusayan National Forest; AZ; United States
Description: grass plots
Date: 08/30/1920

Sample plot S3B, repeat photo
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: snow
grasses
damage
sample plot
Location: Fort Valley Exp. Forest; AZ; USA
Description: Sample plot S3B, repeat photo
Date: 05/20/1920

Grazed tufts of Festuca arizonica
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grazing
grasses
regeneration
Location: Fort Valley Experimental Forest; AZ; United States
Description: Grazed tufts of Festuca arizonica
Date: 11/15/1919


more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
regeneration
sample plot
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Coconino Sample Plot S3; Reproduction of 089812 taken in 1909 and 1914. Kaibab S3.
Date: 10/27/1919

Natural and denuded quadrats
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
denuded
study
sample plot
Location: Fort Valley Experimental Forest; AZ; United States
Description: Natural and denuded quadrats
Date: 10/08/1919

grass plots
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
seeding/planting
regeneration
sample plot
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; United States
Description: grass plots
Date: 10/1919

little reproduction
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grazing
personnel
grasses
regeneration
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; United States
Description: little reproduction
Date: 1919

grass recovery from grazing
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
seeding/planting
regeneration
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; United States
Description: grass recovery from grazing
Date: 1919

Sample Plot S3-A, repeat photo
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
sample plot
repeat set
Location: Fort Valley Experimental Forest
Description: Sample Plot S3-A, repeat photo
Date: 10/10/1914