ENVIRONMENTAL CONSEQUENCES in rocky mountain coniferous ...

SILVICULTURAL TREATMENTS
Of the silviculture treatments, the shel terwoods ranked as the highest water
user, followed by the group selections, and then the clearcuts (fig. 11). During the
3 years of complete measurements ( 1976, 1977, 1978) shel terwoods on the average used
4 percent less water than the uncut forest, group selections 10 percent less, and
clearcuts 11 percent less.
CONSUMPTIVE USE BY 5 ILVICULTURAL TREATMENT
Control Surfaces
Figure 11.--Average water use on areas treated with three sCZvicuZturaZ methods, the
second, third, and fourth year after harvesting was completed.