Excerpt from Declining Root Strength in Douglas-Fir After Felling as a Factor in Slope Stability The role of tree root strength in the stability of slopes has been the subject of speculation and experimentation for several years. There is an increasing need to understand the effect of tree root strength on slope stability wherever land with a high potential for slope failure provides valuable timber and water resources. Land managers must have quantitative data on the effects of timber removal upon slope stability to make ...
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Excerpt from Declining Root Strength in Douglas-Fir After Felling as a Factor in Slope Stability The role of tree root strength in the stability of slopes has been the subject of speculation and experimentation for several years. There is an increasing need to understand the effect of tree root strength on slope stability wherever land with a high potential for slope failure provides valuable timber and water resources. Land managers must have quantitative data on the effects of timber removal upon slope stability to make decisions as to where, how much, and by what method timber may be safely harvested from areas where landslides are common. This study originated as a result of the concern by the Bureau of Land Management (elm) in western Oregon over timber harvesting on shallow soils having a high potential for landslides. The lands support old-growth timber stands of up to board feet per acre, with Coast Douglas - fir (pseudotsuga menziesii [mirb.] Franco) the principal commercial species. In addition, all of the larger streams support anadromous fish. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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