Bark Beetle Response To Clearcut And Shelterwood Systems In Interior Alaska After Whole Tree Logging
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U.S.D.A. Forest Service Research Note PNW.
| Author | : Pacific Northwest Forest and Range Experiment Station (Portland, Or.) |
| Publisher | : |
| Total Pages | : 8 |
| Release | : 1977 |
| Genre | : Forests and forestry |
| ISBN | : |
Monthly Catalog of United States Government Publications
| Author | : United States. Superintendent of Documents |
| Publisher | : |
| Total Pages | : 1092 |
| Release | : 1977 |
| Genre | : Government publications |
| ISBN | : |
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Technical Bulletin
| Author | : |
| Publisher | : |
| Total Pages | : 286 |
| Release | : 1927* |
| Genre | : Agricultural extension work |
| ISBN | : |
Spruce Beetle in the Rockies
| Author | : J. M. Schmid |
| Publisher | : |
| Total Pages | : 44 |
| Release | : 1977 |
| Genre | : Forests and forestry |
| ISBN | : |
This report summarizes the literature on the spruce beetle in the western United States, primarily in the Rocky Mountains. Information is presented on life history and behavior, host relationships, mortality agents and impacts of infestations. A section on suppression details the current status of chemicals, pheromones, trap trees and silvicultural treatments. The initial steps in managing spruce beetle populations are stated in the final section on beetle management policy.
