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USFS Logo Research Data Archive
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Displaying items 1 - 20 of 26
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Area near Delta Jct. being cleared for agricultural.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: land use, land-use policy, afforestation policy
relations between forest, agricultural and pastoral land
clearing of the forest
afforestation of agricultural and pastoral land
shifting cultivation (policy)
land use
Location: Alaska; Delta Junction
Description: Area near Delta Jct. being cleared for agricultural.
Date: 9/1975

Burn on w slope near Salcha River in Black Spruce 5-6 years ago (1971).
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest fires
revegetation etc
of burnt areas
Location: Alaska; Salcha
Description: Burn on w slope near Salcha River in Black Spruce 5-6 years ago (1971).
Date: 9/1975

Old burn with residual spruce and birch coming in.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest fires
salvage and disposal of fire-damaged timber
Location: Alaska; Salcha
Description: Old burn with residual spruce and birch coming in.
Date: 9/1975

Vegetation difference between unburned black spruce & birch in a burned area.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest fires
salvage and disposal of fire-damaged timber
revegetation etc
of burnt areas
Location: Alaska; Salcha
Description: Vegetation difference between unburned black spruce & birch in a burned area.
Date: 9/1975

Vegetation types line due to fire. Quartz & Lost Lake in background. Near Delta Junction.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest fires
salvage and disposal of fire-damaged timber
Location: Alaska; Delta Junction; Quartz Lake; Lost Lake
Description: Vegetation types line due to fire. Quartz & Lost Lake in background. Near Delta Junction.
Date: 9/1975

Area near Delta Jct. being cleared for agricultural study. Soil is gravely.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: land use, land-use policy, afforestation policy
relations between forest, agricultural and pastoral land
clearing of the forest
afforestation of agricultural and pastoral land
shifting cultivation (policy)
land use
Location: Alaska; Delta Junction
Description: Area near Delta Jct. being cleared for agricultural study. Soil is gravely.
Date: 9/1975

Area E of Delta Jct. being cleared for agricultural studies.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: land use, land-use policy, afforestation policy
relations between forest, agricultural and pastoral land
clearing of the forest
afforestation of agricultural and pastoral land
shifting cultivation (policy)
land use
Location: Alaska; Delta Junction
Description: Area E of Delta Jct. being cleared for agricultural studies.
Date: 7/1975

Area E of Delta Jct. being cleared for agricultural studies. Note leader growth.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: land use, land-use policy, afforestation policy
relations between forest, agricultural and pastoral land
clearing of the forest
afforestation of agricultural and pastoral land
shifting cultivation (policy)
land use
Location: Alaska; Delta Junction
Description: Area E of Delta Jct. being cleared for agricultural studies. Note leader growth.
Date: 7/1975

Area E of Delta Jct. being cleared for agricultural.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: land use, land-use policy, afforestation policy
relations between forest, agricultural and pastoral land
clearing of the forest
afforestation of agricultural and pastoral land
shifting cultivation (policy)
land use
Location: Alaska; Delta Junction
Description: Area E of Delta Jct. being cleared for agricultural.
Date: 7/1975

Farmland near Delta Jct.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: land use, land-use policy, afforestation policy
relations between forest, agricultural and pastoral land
clearing of the forest
afforestation of agricultural and pastoral land
shifting cultivation (policy)
land use
Location: Alaska; Delta Junction
Description: Farmland near Delta Jct.
Date: 7/1975

Fire 5-6 years ago, Salcha River Area in black spruce.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest fires
revegetation etc
of burnt areas
Location: Alaska; Salcha
Description: Fire 5-6 years ago, Salcha River Area in black spruce.
Date: 7/1975

General Interior scene.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Salcha
Description: General Interior scene.
Date: 7/1975

General View - Shaw Creek Flats look south.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Salcha; Shaw Creek
Description: General View - Shaw Creek Flats look south.
Date: 7/1975

General view of a typical interior valley - wet on the bottom.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Salcha
Description: General view of a typical interior valley - wet on the bottom.
Date: 7/1975

Great Interior stand.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Salcha
Description: Great Interior stand.
Date: 7/1975

Lake being slowly filled in by vegetation. Interior.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
synecology
plant sociology (general, principles and methods)
succession, alternation and periodicity in vegetation
succession
seral communities and seres
Location: Alaska; Salcha
Description: Lake being slowly filled in by vegetation. Interior.
Date: 7/1975

Lost Lake near Quartz Lake (R. background) near Delta Jct.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Delta Junction; Quartz Lake; Lost Lake
Description: Lost Lake near Quartz Lake (R. background) near Delta Jct.
Date: 7/1975

Nice S. slope stand.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Salcha
Description: Nice S. slope stand.
Date: 7/1975

Salcha River. Looking North thru a burn 6 yrs old.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Salcha
Description: Salcha River. Looking North thru a burn 6 yrs old.
Date: 7/1975

Shaw Cr. area.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Salcha; Shaw Creek
Description: Shaw Cr. area.
Date: 7/1975