ENVIRONMENTAL CONSEQUENCES in rocky mountain coniferous ...

Because of cool, wet weather in 1975, burning conditions were unfavorable. As a
result, none of the designated areas burned very hot, and areas designated for burning
on the lower replicate of the she1 terwood were left unburned. A complete description
of the burning was reported by Artley and others (1978). Some tree regeneration impli-
cations of different intensities of burning have been reported (Shearer 1975; Shearer
1980) .
The study was conducted on the 3 019-ha (7,460-acre) Coram Experimental Forest, on
the Flathead National Forest in northwestern Montana (fig. 1). The study sites are
located below the main ridge facing east into Abbott Basin (lat, 48' 25' M-, long. 113"
59' W.). The six blocks shown in figure 1 were cable logged in 1974 and, where designated,
broadcast burned in the fall of 1975. Each harvest-cutting block was further
divided into four subblocks where the four residues uti 1 i zation treatments were superimposed:
(1) intermediate utilization followed by burning, (2) conventional util ization
and burning, (3) a1 1 residues removed, and (4) understory protected.
BURNED
Figure 1.--Locatkm of cutting btocks in Abbot?: as in, Corm EqsrimentaZ Forest.
Timber Mas harvested in 1974 and subsequent treatments were compteted by fa22 1975.