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  1. Regeneration outlook on BLM Lands in the Siskiyou Mountains.

    A survey of timberland cut over from 1956 to 1971 in the Applegate, Evans, and Galice-Glendale areas of southwestern Oregon showed that both partial cuts and clearcuts were well stocked with a combination of regeneration that started before and after harvest cutting. Advance regeneration was a major stocking component in partial cuts. Douglas-fir (Pseudotsuga...

    Author(s):
    William I. Stein
    Year:
    1986
    Keywords:
    regeneration (stand), regeneration (natural), regeneration (artificial), clearcutting systems, partial cutting, stand development, Oregon (Siskiyou mountains), southwestern Oregon
    Source:
    Res. Pap. PNW-RP-349. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 112 p

  2. Application of geotechnical data to resource planning in southeast Alaska.

    Recent quantification of engineering properties and index values of dominant soil types in the Alexander Archipelago, southeast Alaska, have revealed consistent diagnostic characteristics useful to evaluating landslide risk and subgrade material stability before timber harvesting and low-volume road construction. Shear strength data are summarized and grouped by Soil...

    Author(s):
    W.L. Schroeder; D.N. Swanston
    Year:
    1987
    Keywords:
    Slope stability, subgrade stability, soil properties (physical), southeast Alaska, Alaska (southeast)
    Source:
    Gen. Tech. Rep. PNW-GTR-198. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 22 p

  3. Soils

    Edaphic and climatic characteristics of a site quite well define the quality of that site for plant growth. The importance of soil characteristics to the growth and well-being of aspen in the West is apparent from observations by many authors, from inferences resulting from work with other trees and agricultural crops, and from detailed study of aspen soils and site...

    Author(s):
    John R. Jones; Norbert V. DeByle
    Year:
    1985
    Keywords:
    Populus tremuloides, quaking aspen, ecology, forest management, soil characteristics, edaphic and climatic characteristics, plant growth
    Source:
    In: DeByle, Norbert V.; Winokur, Robert P., editors. Aspen: Ecology and management in the western United States. USDA Forest Service General Technical Report RM-119. Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colo. p. 65-70
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