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Author : J. A. Kendall Snell
Publisher :
ISBN 13 :
Total Pages : 856 pages
Book Rating : 4.35/5 ( download)
Download or read book Predicting Crown Weight of Coast Douglas-fir and Western Hemlock written by J. A. Kendall Snell and published by . This book was released on 1981 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. A. Kendall Snell
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.70/5 ( download)
Download or read book Predicting Crown Weight of Coast Douglas-fir and Western Hemlock written by J. A. Kendall Snell and published by . This book was released on 1981 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. A. Kendall Snell
Publisher : Forgotten Books
ISBN 13 : 9780331437195
Total Pages : 34 pages
Book Rating : 4.98/5 ( download)
Download or read book Estimating the Weight of Crown Segments for Old-Growth Douglas-Fir and Western Hemlock (Classic Reprint) written by J. A. Kendall Snell and published by Forgotten Books. This book was released on 2017-11-19 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Estimating the Weight of Crown Segments for Old-Growth Douglas-Fir and Western Hemlock Equations were developed for predicting weight of continuous live crown, total live crown, dead crown, any segment of live crown, and individual branches for old-growth Douglas-fir (pseudotsuga menziesii (mirb.) Franco) and western hem lock (tsuga heterophylla (raf.) Sarg.) trees. A branch method and a ratio method were developed for estimating the weight of crown segments. Equations were based on data from 32 Douglas-fir and 29 western hemlock trees from the Gifford Pinchot National Forest in southwestern Washington. An additional 49 Douglas-fir and 50 western hemlock were selected for validating the models. For predicting weight of a segment of crown, the branch method was less biased and more accurate than the ratio method. The branch method is recommended for felled trees because it more easily accommodates the large amount of break age ln the crown of felled old - growth trees. Keywords: Crown weights, estimates, moisture content (wood), old-growth stands, Douglas-fir, western hemlock. The purpose of this study was to develop and validate estimators to predict total crown weight and weight of any segment of crown for old-growth felled and bucked Douglas-fir and western hemlock trees. Equations were developed for pre dicting weight of continuous live crown, total live crown, dead crown, any seg ment of live crown, and individual branches. A branch method and ratio method were developed for estimating the weight of crown segments. Equations were based on data from 32 Douglas-fir and 29 western hemlock trees from the Gifford Pinchot National Forest in southwestern Washington. An additional 49 Douglas-fir and 50 western hemlock were selected for validating the models. For predicting weight of a segment of crown, the branch method was less biased and more accurate than the ratio method. The branch method is recommended for felled trees because it more easily accommodates the large amount of break age in the crown of felled old-growth trees. 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.
Author : J. A. Kendall Snell
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.7G/5 ( download)
Download or read book Estimating the Weight of Crown Segments for Old-growth Douglas-fir and Western Hemlock written by J. A. Kendall Snell and published by . This book was released on 1985 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. A. Kendall Snell
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.4F/5 ( download)
Download or read book Handbook for Predicting Residue Weights of Pacific Northwest Conifers written by J. A. Kendall Snell and published by . This book was released on 1980 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 756 pages
Book Rating : 4.29/5 ( download)
Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1094 pages
Book Rating : 4.79/5 ( download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1982 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 1250 pages
Book Rating : 4.27/5 ( download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.66/5 ( download)
Download or read book General Technical Report PNW. written by and published by . This book was released on 1978 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Margaret Lowman
Publisher : Academic Press
ISBN 13 : 0124575536
Total Pages : 543 pages
Book Rating : 4.30/5 ( download)
Download or read book Forest Canopies written by Margaret Lowman and published by Academic Press. This book was released on 2004-09 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: The treetops of the world's forests are where discovery and opportunity abound, however they have been relatively inaccessible until recently. This book represents an authoritative synthesis of data, anecdotes, case studies, observations, and recommendations from researchers and educators who have risked life and limb in their advocacy of the High Frontier. With innovative rope techniques, cranes, walkways, dirigibles, and towers, they finally gained access to the rich biodiversity that lives far above the forest floor and the emerging science of canopy ecology. In this new edition of Forest Canopies, nearly 60 scientists and educators from around the world look at the biodiversity, ecology, evolution, and conservation of forest canopy ecosystems. Comprehensive literature list State-of-the-art results and data sets from current field work Foremost scientists in the field of canopy ecology Expanded collaboration of researchers and international projects User-friendly format with sidebars and case studies Keywords and outlines for each chapter
