| 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; 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; 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; 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 |