Date of Award:

1967

Document Type:

Thesis

Degree Name:

Master of Science (MS)

Department:

Wildland Resources

Department name when degree awarded

Forest Science

Abstract

Soil moisture depletion was studied in quaking aspen and Gambel oak areas of central Utah. The study area is located at about 8100 feet elevation in a zone with 20 to 25 inches precipitation annually.

Treatments ranged from no disturbance to clearcutting. Soil Moisture was measured periodically during the summer of 1966.

Results showed less soil moisture depletion on the plots of least residual basel area. Average soil moisture depletion the season following cutting at two sites was 4.3 inches less than it was on higher residual basal area plots.

The reduction in soil moisture depletion occurred principally below the roots of the herbaceous plants and grass in the zone that would normally be occupied by living tree roots.

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