Sustained yield units (SYU' s), implemented around 1950, required that National Forest timber harvested from a designated area had to be processed in a specific local community. Six units were created for the purpose of promoting community stability, a
concept often measured in economic terms. Forest policies designed to aid...
This paper comprises two major sections. In the first, tests of the influence of several application factors on efficiency of silvicultural herbicides are described for evergreen shrub, deciduous shrub, and herbaceous forest vegetation in Oregon and California. The second presents decision trees illustrating how to use the experimental results and...