Results of Shelterwood Harvesting of Douglas-Fir in the Cascades of Western Oregon (Classic Reprint)

Results of Shelterwood Harvesting of Douglas-Fir in the Cascades of Western Oregon (Classic Reprint)
Author: Richard L. Williamson
Publisher: Forgotten Books
Total Pages: 28
Release: 2018-03-17
Genre: Business & Economics
ISBN: 9780364551271


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Excerpt from Results of Shelterwood Harvesting of Douglas-Fir in the Cascades of Western Oregon Regeneration and site conditions in each shelterwood unit were assessed through a systematic survey of 4-milacre circular plots. Sampling intensity was light, averaging about percent. Data on each plot included: Number of natural seedlings (10 maximum), at least 2 years old,2 by species. A wedge-prism (baf-lo) estimate of shelterwood basal area surround ing each quadrat. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.