| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Lemon Creek |
| Description: | Lemon Creek cutover of the 1960's. Looking toward Thomas Glacier from the landing at the head end of the road. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Mendenhall Glacier and primary succession. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Sitka spruce regeneration on glacial outwash soil in upper Mendenhall Valley. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Glacial outwash soil in upper Mendenhall Valley. Willow, alder and in the background cottonwood. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Mendenhall Glacier observatory. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Lemon Creek |
| Description: | Sitka spruce in association with alder along roadside, Lemon Creek cutting. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Sitka spruce on a poor site - glacial outwash soil in upper Mendenhall Valley. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Lemon Creek |
| Description: | Sitka spruce regeneration growing in association with alder along road leading into 1960's Lemon Creek cutting. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Sitka spruce regeneration on glacial outwash soil in upper Mendenhall Valley. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Sitka spruce regeneration on glacial outwash soil in upper Mendenhall Valley. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Lemon Creek |
| Description: | Sitka spruce regeneration on upland site in 1960's Lemon Creek cutting. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Sitka spruce seedling from glacial outwash soil in upper Mendenhall Valley. Roots are often long but the root system is lateral just below the surface of the ground. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Upper Mendenhall Valley showing encroachment of willow, alder, and in the background cottonwood on glacial outwash soil. Looking toward Montana Creek. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems mode of life, autecology silvicultural characters of trees atmospheric relations acclimatization light relations |
| Location: | Alaska; Juneau; Mendenhall Valley |
| Description: | Vegetation of glacial outwash soils in upper Mendenhall Valley. |
| Date: | 8/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems vegetation types ecotypes |
| Location: | Alaska; Marten Arm |
| Description: | Pacific silver fir at Marten Arm. |
| Date: | 5/1967 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems vegetation types ecotypes |
| Location: | Alaska; Marten Arm |
| Description: | Pacific silver fir at Marten Arm. |
| Date: | 5/1967 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems vegetation types ecotypes |
| Location: | Alaska; Prince of Wales Island; Red River |
| Description: | Pacific silver fir, Red River RNA. A. S. Harris in photo. Tree is 45.6" DBH, 117' tall. |
| Date: | 5/1967 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems reaction including resistance to biotic influences, fire and environmental pollution influence of animals |
| Location: | Alaska; Yakutat; Harlequin Lake |
| Description: | Harlequin Lake moose browse exclosure, Yakutat. Primary stand of cottonwood and spruce. |
| Date: | 8/1966 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems vegetation types ecotypes |
| Location: | Alaska; Yakutat; Harlequin Lake |
| Description: | Yakutat - primary stands of cottonwood and spruce near Harlequin Lake. |
| Date: | 8/1966 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems vegetation types ecotypes |
| Location: | Alaska; Yakutat |
| Description: | Yakutat - scattered cottonwood stands and sedge muskegs. |
| Date: | 8/1966 |