Pacific Southwest Research Station

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Research Note - Original Series, 1930-1962

Title: A site classification for the mixed-conifer selection forests of the Sierra Nevada

Author: Dunning, Duncan

Date: 1942

Source: Res. Note 28. Berkeley, CA: U.S. Department of Agriculture, Forest Service, California Forest and Range Experiment Station. 19 p

Station ID: RN(OS)-PSW-28

Description: The site-class curves presented here as figure 1 for the irregular pine-fir forests of California, were fifst prepared in connection with a yield-predicting procedure (1)^1/deve1oped in 1933. The original curves were designed principally for administrative use of the Forest Service in Region 5. Since they have now come to be accepted by other agencies and for general purposes, this research note has been prepared to make the curves more readily available and to describe their peculiar features sufficiently to enable correct application. It is hoped that this action may contribute to the establishment of a single criterion of site for the region as nearly as possible like that most commonly used in volume surveys, growth forecasting, and other forestry work.

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Citation

Dunning, Duncan.  1942.  A site classification for the mixed-conifer selection forests of the Sierra Nevada.  Res. Note 28. Berkeley, CA: U.S. Department of Agriculture, Forest Service, California Forest and Range Experiment Station. 19 p