Anadromous fishes. ;<br> Forest management - - United States. ;<br> Range management - - United States. ;<br> Salmon. ;<br> Trout.
The construction and existence of forest roads, landings, and decking areas may have significant effects on anadromous fish habitat. Major effects discussed in this paper are increased sedimentation from transportation networks, the hindrance to...
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...
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...
In 1990, the National Fish and Wildlife Foundation proposed a major initiative for the conservation of migratory landbirds that breed in North America and winter in neotropical countries. This report was prepared in support of the Foundation's...
Blacktail Deer Creek 1.5 miles above Whiskey Springs. Plate 54a (September 19, 1928) Fire Group 5: Cool-dry Douglas-fir. Elevation 7,000 ft (2,134 m) The camera faces east-southeast at a point on upper Blacktail Deer Creek approximately 1.5 miles...
Blacktail Deer Creek 1.5 miles above Whiskey Springs. Plate 54b (June 23, 1981) 53 years later. Flat effects of heavy livestock grazing. Sagebrush stand on toe slope at left has expanded down slope. In distance, aspen have matured in canyon...
Describes a major study of broadcast burning for hazard reduction and preparation in western Montana larch-fir clearcuts and the effects of such prescribed fires on soil, air, water, wildlife, and tree regeneration. The study area is described and...
Clearcutting -- Montana. ; <br> Fire prevention -- Montana. ; <br> Douglas fir. ; <br> Larches -- Montana.
Logging slash on 73 clearcuts was broadcast burned over a wide range of conditions, achieving a broad array of fire intensities and effects. An intense wildfire was also evaluated. Fire effectiveness was measured and related to preburn conditions...