Date of Award

1966

Degree Type

Report

Degree Name

Master of Science (MS)

Department

Ecology

First Advisor

NA

Abstract

Shadscale (Atriplex confertilolia (Torr. and Frem.) Wats.) is an important component of the salt-desert-shrub vegetation type in the intermountain region. This species dominates a large portion of the 41 million acres occupied by this vegetation type. Shapscale reaches greatest importance at lower elevations of Utah and Nevada, where despite the low productivity due to its harsh habitat, this vigorous shrub furnishes considerable winter grazing for sheep and cattle. Gates et al. (1966) have observed that poor drainage conditions, coupled with low precipitation, results in the concentration of salts, a chief habitat factor determining the growth and distribution of this species. Fautin (1946) found pure stands of Shadscale in the drier valleys of Utah, usually where a saline sub-soil occurred.

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