Knowles Creek, a tributary to the Clark Fork River. Plate 7b. Dense conifer growth made it necessary to move camera several hundred yards to an elevated position. Widely scattered stumps in midground (some showing scars from eight different fires)...
Symptoms induced by phytotoxic gases within conifer needles can be differentiated histologically from those causes by other abiotic agents including winter drying, drought, and salt. However, it is not possible to differentiate among symptoms...
Goat Creek 2 Miles above mouth of the Thompson River. Plate 6b (September 9, 1981) 53 years later. State Highway 200 now runs through foreground. Closure of Douglas-fir and ponderosa pine forest canopy on slope at left has resulted in decline in...
From a position on Two Medicine Ridge six miles northeast of East Glacier, Montana. Plate 17b (September 27, 1981). 60 years later. Conifers include whitebark pine, lodgepole pine, subalpine fir, and Douglas fir. The dry slopes dominated by...
Flathead River dam projects; Kicking Horse Pow Wow; Good luck Francis!; A paleface uprising; Forestry tour; USDA team will review Reservation; Energy resources and environmental studies training; Women's softball tournament; HRD summer programs;...
Plants, Effect of herbicides on - - Statistics. ;<br> Weeds - - Control - - Northwest, Pacific. ;<br> Forests and forestry - - Northwest, Pacific.
The damaging effects of herbicide treatments on a wide variety of competing species and crop conifers are cataloged for easy reference by silviculturists seeking the best herbicide prescription for plant communities common to the Inland Northwest....
The majority of seeds respond to storage conditions in an ""orthodox"" manner, in that a low seed moisture content and low temperature prolong their storage life. Deterioration can take place in the seemingly...
Fire ecology - - West (U.S.) - - Computer simulation. ;<br> Prescribed burning - - West (U.S.) - - Computer simulation. ;<br> Forest fire - - Environmental aspects - - West (U.S.) - - Computer simulation.
A successional process model has been developed to simulate long-term stand dynamics in forests of the Northern Rockies. The model can be used to evaluate fire effects differences for various fire regimes, including prescribed burning at different...
Bark beetles act as ""agents of change"" within the conifer forests of the Rocky Mountain area. They play a critical role in the development, senescence, and rebirth of Western forests. Bark beetle-caused tree mortality can be...
Andosols -- Washington (State) -- Saint Helens, Mount. ; <br> Saint Helens, Mount (Wash.)
Three western Montana soils of varying fertility and physical characteristics were placed in large tubes, covered by different depths of volcanic ash from
Mount St. Helens eruption to test the release of ions from ash and ion storage or loss from...
Of 32 species of abundant breeding birds, populations of 10 species differed significantly between small cutting units and adjacent uncut forest. Foliage foragers and tree gleaners were less abundant in cutting units, while flycatching species and...
Prichard Creek from mouth of Dream Gulch. Plate 4b. Highway construction altered landscape in foreground. Camera point is approximate. Cottonwood and conifer regeneration screens view of Prichard Creek. Distant slope at right is now covered by...
Sawtooth Ridge on Sun River Game Range. Plate 19b. Limber pine are more dense along ridges and have become established on concave slopes and bottomlands. Distant slopes show extent of conifer regeneration south of Sun River pictured in plate 13b.
Bannack, Montana. Plate 49a. Mahogany Fire Group. Elevation 5,800 ft (1,768 m) Northeast view of Bannack City, Montana. The open slopes above town support sagebrush/grass. Dark shrubs on near ridge are curlleaf mountain mahogany. Patchy...
Evaro Hill toward Jocko Mountains. Plate 11a. Fire Group 6: Moist Douglas-fir. Elevation 3,900 ft (1,889 m) Camera faces east-northeast across Evaro Hill towards the Jocko Mountains from a point 0.5 miles below Evaro, Montana. Shrub cover on near...
Across Sun River toward Home Gulch. Plate 22b. Dense conifer stands now occupy much of the area that was formerly open. Note particularly the band of conifers along the distant ridge at right.
Across Smith Creek toward Crown Mountain on east front of Rockies. Plate 23a. Fire Group 6: Moist Douglas-fir. Elevation 5300 ft (1616 m). From the ridge about 5 miles west of Haystack Butte, the view is southwest across Smith Creek toward Crown...
0.5 miles south of Castle, Montana. Plate 36a. Fire Group 6: Moist Douglas-fir. Elevation 6,000 ft (1,829 m) The view is south-southeast from a point 0.5 miles south of Castle, Montana. Conifer cover is primarily Douglas-fir. Scattered sagebrush...
Blake Creek on south side of Big Snowy Mountains. Plate 44b. Camera was moved left of original point to avoid trees that screened early view. Regeneration of Douglas-fir has resulted in a landscape dominated by conifers. The rock outcrop visible...