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USFS Logo Research Data Archive

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Displaying items 1 - 11 of 11
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Dense fast growing w.h. reprod. Beneath closed stand adjacent to windthrow. Karta Bay thinned plots.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
tending of stands and trees
thinnings
Location: Alaska; Prince of Wales Island; Karta Bay
Description: Dense fast growing w.h. reprod. Beneath closed stand adjacent to windthrow. Karta Bay thinned plots.
Date: 9/1956

Skowl Arm thinned Plot No. 1.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
tending of stands and trees
thinnings
Location: Alaska; Prince of Wales Island; Skowl Arm
Description: Skowl Arm thinned Plot No. 1.
Date: 8/1956

W.H. poles beneath old growth stand. 12-mile arm.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration
Location: Alaska; Prince of Wales Island; Twelvemile Arm
Description: W.H. poles beneath old growth stand. 12-mile arm.
Date: 8/1956

Epicormic branching on spruce. Thinned plot, Karta Bay.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
ecosystems
reproductive behaviour
life form, habit
post-seedling development and form
persistence or shedding of branches
self-pruning
epicormics
Location: Alaska; Prince of Wales Island; Karta Bay
Description: Epicormic branching on spruce. Thinned plot, Karta Bay.
Date: 1956

Cutover flat in Maybeso Valley, site of direct seeding study.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: silvicultural systems
constitution and composition of stands
forms of stand
high forest systems
clear felling
Location: Alaska; Prince of Wales Island; Maybeso Valley
Description: Cutover flat in Maybeso Valley, site of direct seeding study.
Date: 1955

Soil movement in logged gulch - Maybeso Valley.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: hydrology
water conservation, soil conservation and erosion
watershed management
studies on stream-flow and bank erosion:
Location: Alaska; Prince of Wales Island; Maybeso Valley
Description: Soil movement in logged gulch - Maybeso Valley.
Date: 1955

Instrument shelter located at timbered station, Maybeso Valley. Used as illustration, figure 1, Page 6, Station Paper No. 7.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology: ecosystems
mode of life, autecology: silvicultural characters of trees: atmospheric relations: acclimatization
Location: Alaska; Prince of Wales Island; Maybeso Valley
Description: Instrument shelter located at timbered station, Maybeso Valley. Used as illustration, figure 1, Page 6, Station Paper No. 7.
Date: 1955

Instrument shelter located in open, Maybeso Valley. See Station Paper No. 7.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology: ecosystems
mode of life, autecology: silvicultural characters of trees: atmospheric relations: acclimatization
Location: Alaska; Prince of Wales Island; Maybeso Valley
Description: Instrument shelter located in open, Maybeso Valley. See Station Paper No. 7.
Date: 1955

Tree form of Abies lasiocarpa on Harris Mountain at 3120' on south aspect showing cones & stalks.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic botany
embryophyta: siphonogamia: spermatophyta: phanerogams: seed-plants in general: dendrology: coniferae:
Location: Alaska; Prince of Wales Island; Harris Mountain
Description: Tree form of Abies lasiocarpa on Harris Mountain at 3120' on south aspect showing cones & stalks.
Date: 7/26/1952

Abies lasiocarpa (alpine fir) on Harris Mountain at 3120'. Looking westward toward Harris River.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic botany
embryophyta: siphonogamia: spermatophyta: phanerogams: seed-plants in general: dendrology: coniferae:
Location: Alaska; Prince of Wales Island; Harris Mountain
Description: Abies lasiocarpa (alpine fir) on Harris Mountain at 3120'. Looking westward toward Harris River.
Date: 7/26/1952

Abies lasiocarpa on Harris Mountain.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic botany
embryophyta: siphonogamia: spermatophyta: phanerogams: seed-plants in general: dendrology: coniferae:
Location: Alaska; Prince of Wales Island; Harris Mountain
Description: Abies lasiocarpa on Harris Mountain.
Date: 7/26/1952