Estimating merchantable volumes of second growth Douglas-fir stands from total cubic volume and associated stand characteristics PDF Download
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Author: Richard L. Williamson
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 16
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Book Description
Author: Richard L. Williamson
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 16
Get Book Here
Book Description
Author: Richard L. Williamson
Publisher: Forgotten Books
ISBN: 9780331450262
Category : Business & Economics
Languages : en
Pages : 20
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Book Description
Excerpt from Estimating Merchantable Volumes of Second Growth Douglas-Fir Stands From Total Cubic Volume and Associated Stand Characteristics Some of these equations may be unreliable if extrapolated beyond the data. To avoid unreasonable estimates and inconsistencies between estimates to alternative merchant ability limits, users should observe the stated restrictions. The form of the dependent variable used in actual fitting was not the same in all cases and variances were usually not uniform across the range of stand diameters. As a result, multiple correlation coefficients and standard errors of estimate associated with these equations are not readily interpretable other than as an indication that quite close fits to the data were achieved in most cases. Multiple correlation coefficients were greater than for most equations and greater than for many. As would be expected from the erratic nature of mortality, the equations for the mortality component were much poorer in fit; and we give only those for total cubic volume in trees over and over - inch d.b.b. When comparing equations fitted with different forms of the dependent variable, we based our choices on Furnival's (1961) index of fit and on apparent reasonableness of behavior within and at the margins of the 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: Richard L. Williamson
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 0
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Book Description
Author: United States. Forest Service
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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Book Description
Author: Austin Alexander Hasel
Publisher: Forgotten Books
ISBN: 9780428381011
Category : Technology & Engineering
Languages : en
Pages : 20
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Book Description
Excerpt from Board-Foot and Cubic-Foot Volume Tables for Second-Growth Redwood The volumes are tabulated for form.class 70, which is average for the data, but factors are given for converting volumes to other form classes. The tables can therefore be readily adapted or localized-to particular stands, or types of trees in the stand, by determining the form class of the particular stand to be cruised. Determination of form class on 50 trees, well distributed throughout the range of diameters and over the area, should be satisfactory for this purpose. If form class does not vary with diameter, the stand average may be used. 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: Francis X. Schumacher
Publisher: Forgotten Books
ISBN: 9780260875624
Category : Technology & Engineering
Languages : en
Pages : 56
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Book Description
Excerpt from Yield, Stand and Volume Tables for Douglas Fir in California The growth of the species is shown by tables which state the yield of even-aged stands. Over a period of years. Age, timber productive quality of the area, and stand density are the most important growth determining factors of a stand. As there is no satisfactory way of expressing stand density in absolute terms, normal-yield tables based on the ideal density which. Produces maximum volume are presented. 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: T. C. Nelson
Publisher: Forgotten Books
ISBN: 9780331410938
Category :
Languages : en
Pages : 22
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Book Description
Excerpt from Merchantable Cubic-Foot Volume Growth in Natural Loblolly Pine Stands This is a second progress report of a regional study on growing Space requirements for natural stands of loblolly pine (pinus taeda L. It con siders cubic -foot growth in relation to age, site, and stand density. The first report of this study was published as Southeastern Forest Experiment Station Paper 97. 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: Richard L. Williamson
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 16
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Book Description
Author: Clement Mesavage
Publisher: Forgotten Books
ISBN: 9780366824915
Category : Technology & Engineering
Languages : en
Pages : 80
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Book Description
Excerpt from Tables for Estimating Cubic-Foot Volume of Timber The volume tables presented here have been compiled for use in estimating the cubic-foot con tents of standing timberj-f Although the tables were prepared primarily for eastern hardwoods and southern softwoods, they can be adapted to other species. The lower parts of the form class tables Show not only volume in the sawlog portion of saw log-size trees but also the scaling diameter of the top sawlog. The latter information is needed in obtaining estimates of volume in tops of coni fers by use of Table 29 (attached to inside back cover). The top sections of the form class tables show volume in undersawlog-size trees of southern pines. All volumes are inside bark. 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.
![Estimating D.B.H. [diameter at Breast Height] from Stump Diameters on Second-growth Douglas-fir PDF](https://books.google.com/books/content/images/frontcover/XXIuXkdp0scC?fife=w80-h100)
Author: Robert O. Curtis
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 8
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Book Description
Gives equations for estimating diameters at breast height of second-growth Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) from measured stump diameters over bark and stump heights, based on measurements at 22 locations in western Oregon and Washington.
