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USFS Logo Research Data Archive
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Looking through an opening cut in a paper birch stand (slope exposure S 45 W, gradient 26%) across a small valley to a poor black spruce muskeg forest (slope exposure N 25 E, gradient of 50%). Permafrost was encountered at a depth of 8 inch.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Fairbanks; Deadwood Creek
Description: Looking through an opening cut in a paper birch stand (slope exposure S 45 W, gradient 26%) across a small valley to a poor black spruce muskeg forest (slope exposure N 25 E, gradient of 50%). Permafrost was encountered at a depth of 8 inch.
Date: 6/27/1957

Pure quaking aspen stand in which the dominants are 3 to 4 inches d.b.h., 40 to 50 feet in height and 30 years old. On a slope having an exposure of S 20 W and a gradient of 15%. Near Ester, Fairbanks district.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Fairbanks; Ester
Description: Pure quaking aspen stand in which the dominants are 3 to 4 inches d.b.h., 40 to 50 feet in height and 30 years old. On a slope having an exposure of S 20 W and a gradient of 15%. Near Ester, Fairbanks district.
Date: 6/20/1957

In the foreground, black spruce muskeg forest on a slope with a N 20 degree E exposure. Across a small stream, and beyond, paper birch and quaking aspen on a slope with a S 20 W exposure. Fox Creek Valley. Fairbanks district.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types, ecotypes
Location: Alaska; Fairbanks; Fox Creek
Description: In the foreground, black spruce muskeg forest on a slope with a N 20 degree E exposure. Across a small stream, and beyond, paper birch and quaking aspen on a slope with a S 20 W exposure. Fox Creek Valley. Fairbanks district.
Date: 1957

The slope on the left (exposure S 45 W, gradient 26 per cent) bears a good stand of paper birch. The slope on the right (exposure N 25 E, gradient 50 per cent) bears a poor black spruce muskeg forest. The valley bottom is covered with willows. Looking up...
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types, ecotypes
Location: Alaska; Fairbanks; Deadwood Creek
Description: The slope on the left (exposure S 45 W, gradient 26 per cent) bears a good stand of paper birch. The slope on the right (exposure N 25 E, gradient 50 per cent) bears a poor black spruce muskeg forest. The valley bottom is covered with willows. Looking up...
Date: 1957