Tree Classifications for Pinus Monophylla and Juniperus Utahensis

More and more attention is being directed toward the diminutive forest trees of the semi-arid western states, with general cognizance of the fact that forest management practices are needed to insure their future productivity. Maturity classifications for singleleaf piñon and Utah juniper are presented and illustrated, in order to establish a uniform basis for describing the trees and stands. The need for classifications, their applicability to inventorying, management, and utilization, and the influence of site variation are pointed out.