Applicability of Four Regional Volume Tables for Estimating Growth Response to Thinning in Douglas-Fir (Classic Reprint) PDF Download
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Author: Richard L. Williamson
Publisher: Forgotten Books
ISBN: 9780365384083
Category : Business & Economics
Languages : en
Pages : 22
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Book Description
Excerpt from Applicability of Four Regional Volume Tables for Estimating Growth Response to Thinning in Douglas-Fir Similar estimates of tree and stand growth 19 years after thinning a 110-year-old stand of Douglas-fir were derived from stem analysis and stand ard volume-table, plot-compilation procedures. Keywords: Volume tables, thinnings -stand volume, stern analysis, Douglas-fir, Pseudotsuga menziesii. 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: Forgotten Books
ISBN: 9780365384083
Category : Business & Economics
Languages : en
Pages : 22
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Book Description
Excerpt from Applicability of Four Regional Volume Tables for Estimating Growth Response to Thinning in Douglas-Fir Similar estimates of tree and stand growth 19 years after thinning a 110-year-old stand of Douglas-fir were derived from stem analysis and stand ard volume-table, plot-compilation procedures. Keywords: Volume tables, thinnings -stand volume, stern analysis, Douglas-fir, Pseudotsuga menziesii. 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: 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: Pacific Northwest Forest Experiment Station (Portland, Or.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Author:
Publisher:
ISBN:
Category : Forest fires
Languages : en
Pages : 38
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Book Description
Author: J. K. Vanclay
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Whole stand models. Size class models. Single-tree and tree list models. Data Requirements. Constructing growth models. Forest site evaluation. Diameter increment. Mortality and merchantability. Regeneration and recruitment. Model evaluation and re-calibration. Implementation and use. Future directions.
Author: Aaron R. Weiskittel
Publisher: John Wiley & Sons
ISBN: 1119971500
Category : Science
Languages : en
Pages : 431
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Book Description
Forest Growth and Yield Modeling synthesizes current scientific literature and provides insights in how models are constructed. Giving suggestions for future developments, and outlining keys for successful implementation of models the book provides a thorough and up-to-date, single source reference for students, researchers and practitioners requiring a current digest of research and methods in the field. The book describes current modelling approaches for predicting forest growth and yield and explores the components that comprise the various modelling approaches. It provides the reader with the tools for evaluating and calibrating growth and yield models and outlines the steps necessary for developing a forest growth and yield model. Single source reference providing an evaluation and synthesis of current scientific literature Detailed descriptions of example models Covers statistical techniques used in forest model construction Accessible, reader-friendly style
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 140
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Book Description
Backpacker brings the outdoors straight to the reader's doorstep, inspiring and enabling them to go more places and enjoy nature more often. The authority on active adventure, Backpacker is the world's first GPS-enabled magazine, and the only magazine whose editors personally test the hiking trails, camping gear, and survival tips they publish. Backpacker's Editors' Choice Awards, an industry honor recognizing design, feature and product innovation, has become the gold standard against which all other outdoor-industry awards are measured.
Author: Donald J. Mead
Publisher: Food & Agriculture Organization of the UN (FAO)
ISBN: 9789251076347
Category : Forest management
Languages : en
Pages : 0
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Book Description
"Pinus radiata (radiata pine) is a versatile, fast-growing, medium-density softwood, suitable for a wide range of end-uses. Its silviculture is highly developed, and is built on a rm foundation of over a century of research, observation and practice. Radiata pine is often considered a model for growers of other plantation species. This book explores current knowledge of, and experience with radiata pine forest plantation management and examines its long-term sustainability. Radiata pine management needs to integrate the biological aspects of tree-growing, with socio-economics, management objectives, practical considerations and other constraints and opportunities. Although stands of radiata pine may appear to be simple, they are actually quite complex ecosystems because they contain large, long-lived trees that change dramatically over time and interact in changing ways with the environment and with other organisms. The focus of this book is on the principles and practices of growing radiata pine sustainably. It also looks ahead to emerging challenges facing radiata pine plantation management, such as the effects of climate change, new diseases and other threats, and meeting changing product needs and societal demands."--Page 4 of cover.
Author: Aaron M. Ellison
Publisher: MDPI
ISBN: 3039213091
Category : Science
Languages : en
Pages : 274
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Book Description
This book is a printed edition of the Special Issue Causes and Consequences of Species Diversity in Forest Ecosystems that was published in Forests
