Height Growth and Site Index Curves for Red Alder (Classic Reprint) PDF Download
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Author: Constance A. Harrington
Publisher: Forgotten Books
ISBN: 9780260477484
Category :
Languages : en
Pages : 26
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Book Description
Excerpt from Height Growth and Site Index Curves for Red Alder In each stand, four to six dominant or codominant trees were selected that appeared free from evidence of past damage. These were felled and sectioned at -m intervals of height. The sections were labeled in the field with tree number and section height and then transported to the laboratory for immediate processing. Age of each section was determined by counting annual rings. When necessary, sections were sanded or recut to expose a fresh surface. For each tree, heights were plotted over ages, and trees with irregular growth patterns suggesting past damage or suppression were rejected. For the remaining 1 17 trees, the years required to reach breast height m) and the heights attained at ages 2, 4, 8, 12, 16, 20, 24, were read from the graphs and used in subsequent analyses. 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: Constance A. Harrington
Publisher: Forgotten Books
ISBN: 9780260477484
Category :
Languages : en
Pages : 26
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Book Description
Excerpt from Height Growth and Site Index Curves for Red Alder In each stand, four to six dominant or codominant trees were selected that appeared free from evidence of past damage. These were felled and sectioned at -m intervals of height. The sections were labeled in the field with tree number and section height and then transported to the laboratory for immediate processing. Age of each section was determined by counting annual rings. When necessary, sections were sanded or recut to expose a fresh surface. For each tree, heights were plotted over ages, and trees with irregular growth patterns suggesting past damage or suppression were rejected. For the remaining 1 17 trees, the years required to reach breast height m) and the heights attained at ages 2, 4, 8, 12, 16, 20, 24, were read from the graphs and used in subsequent analyses. 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: Constance A. Harrington
Publisher:
ISBN:
Category : Red alder
Languages : en
Pages : 20
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Book Description
Author: Constance A. Harrington
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Book Description
Author: Robert A. Monserud
Publisher: Forgotten Books
ISBN: 9780260721570
Category : Business & Economics
Languages : en
Pages : 30
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Book Description
Excerpt from Applying Height Growth and Site Index Curves for Inland Douglas-Fir Site index was defined to be the average total height of the three best site trees (per one-half acre) at an index age of 50 years at breast height. Because the length of time it takes a seedling to reach breast height may be strongly influenced by factors that are poorly related to site quality - such as animal damage, snow damage, and plant competition in the immediate vicinity of the seed ling (cochran 1979; Curtis 1964) - index age was located at breast height rather than the base of the tree. 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: Joseph E. Means
Publisher: Forgotten Books
ISBN: 9780260573209
Category :
Languages : en
Pages : 30
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Book Description
Excerpt from Height Growth and Site Index Curves for Douglas-Fir on Dry Sites in the Willamette National Forest Curves that reach well beyond 200 years are needed for estimating site index for old stands and for estimating height at advanced ages to evaluate the effects of manage ment of stands for old-growth characteristics. 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: James Earl Brickell
Publisher: Forgotten Books
ISBN: 9780331358117
Category : Mathematics
Languages : en
Pages : 42
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Book Description
Excerpt from A Method for Constructing Site Index Curves From Measurements of Tree Age and Height, Its Application to Inland Douglas-Fir For many years the most widely followed practice in describing forest site quality has been the use of a quantitative measuring system-site index curves. These must be developed for individual species and are supposed to represent the relationship between height and age of the average dominant and codomin'ant trees on the site. These curves can be derived from measurements that indicate height and age of selected trees at different periods in time, or from measurements of height and age at one point in time on a large number of trees that range in age from young to Old. 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: P. H. Cochran
Publisher: Forgotten Books
ISBN: 9780331365030
Category :
Languages : en
Pages : 32
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Book Description
Excerpt from Site Index and Height Growth Curves for Managed, Even-Aged Stands of Douglas-Fir East of the Cascades in Oregon and Washington Height growth and site index curves and equations for managed, even-aged stands of Douglas-fir (pseudotsuga menziesii (mirb.) franco) east of the Cascade Range in Oregon and Washington were derived from stem analysis data. 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: P. H. Cochran
Publisher: Forgotten Books
ISBN: 9780366444588
Category : Business & Economics
Languages : en
Pages : 28
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Book Description
Excerpt from Site Index and Height Growth Curves for Managed, Even-Aged Stands of White or Grand Fir East of the Cascades in Oregon and Washington Height growth curves give estimates of expected heights at different ages for stands of known site index. Site index curves give estimates of site index of managed stands where present breast-high age and present total height can be determined. 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: Robert A. Monserud
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 24
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Book Description
Author: Joseph E. Means
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 24
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Book Description