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Nonlinear Equations For Predicting Diameter And Squared Diameter Inside Bark At Breast Height For Douglas Fir
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Book Synopsis Nonlinear Equations for Predicting Diameter Inside Bark at Breast Height for Young-growth Red Fir in California and Southern Oregon by : K. Leroy Dolph
Download or read book Nonlinear Equations for Predicting Diameter Inside Bark at Breast Height for Young-growth Red Fir in California and Southern Oregon written by K. Leroy Dolph and published by . This book was released on 1989 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonlinear Equations for Predicting Diameter and Squared Diameter Inside Bark at Breast Height for Douglas-fir by : Martin W. Ritchie
Download or read book Nonlinear Equations for Predicting Diameter and Squared Diameter Inside Bark at Breast Height for Douglas-fir written by Martin W. Ritchie and published by . This book was released on 1984 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonlinear Equations for Predicting Diameter Inside Bark at Breast Height for Young-growth Red Fir in California and Southern Oregon by : K. Leroy Dolph
Download or read book Nonlinear Equations for Predicting Diameter Inside Bark at Breast Height for Young-growth Red Fir in California and Southern Oregon written by K. Leroy Dolph and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diameter Growth Equations for Douglas-fir and Grand Fir in the Western Willamette Valley of Oregon by : Abdel Azim Zumrawi
Download or read book Diameter Growth Equations for Douglas-fir and Grand Fir in the Western Willamette Valley of Oregon written by Abdel Azim Zumrawi and published by . This book was released on 1993 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Equations for predicting diameter growth are an essential component of single-tree growth and yield models (Munro 1974). Diameter growth predictions are used to characterize individual-tree development and to project the growth of stand basal area and volume. Both diameter growth and basal area growth have been used as the dependent variable in modeling the development of a tree's diameter (Holdaway 1984, Ritchie and Hann 1985, Wykoff 1986, Wensel et al. 1987, Dolph 1988). The choice of which dependent variable to use has usually been suggested by the data, including the behavior of the residuals and the goodness-of-fit of the resulting equations. Ritchie and Hann (1985) developed nonlinear basal-area growth equations for Douglas-fir (Pseudotsuga menziesii) and grand fir (Abies grandis). It was intended that the equations would be used to predict individual- tree diameter growth in the western Willamette Valley version of ORGANON (Hann et al. 1992). However, Hann and Larsen (1991) found that using a basal-area growth equation to predict diameter growth could result in erratic and unreasonable predictions of diameter growth for trees with small diameters. Therefore, the objective of the present study was to develop diameter growth equations for Douglas-fir and grand fir in the western Willamette Valley of Oregon by using the equation form of Hann and Larsen (1991)."--Introduction.
Book Synopsis A Compendium of Forest Growth and Yield Simulators for the Pacific Coast States by : Martin W. Ritchie
Download or read book A Compendium of Forest Growth and Yield Simulators for the Pacific Coast States written by Martin W. Ritchie and published by . This book was released on 1999 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimating D.B.H. [diameter at Breast Height] from Stump Diameters on Second-growth Douglas-fir by : Robert O. Curtis
Download or read book Estimating D.B.H. [diameter at Breast Height] from Stump Diameters on Second-growth Douglas-fir written by Robert O. Curtis and published by . This book was released on 1977 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Research Note PSW. written by and published by . This book was released on 1978 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Paper - Forest Research Laboratory, Oregon State University by : Oregon State University. Forest Research Laboratory
Download or read book Research Paper - Forest Research Laboratory, Oregon State University written by Oregon State University. Forest Research Laboratory and published by . This book was released on 1979 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Paper by : Oregon State University. Forest Research Laboratory
Download or read book Research Paper written by Oregon State University. Forest Research Laboratory and published by . This book was released on 1965 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Equations for Predicting Diameter and Squared Diameter Inside Bark at Breast Height for Six Major Conifers of Southwest Oregon by : David Rolf Larsen
Download or read book Equations for Predicting Diameter and Squared Diameter Inside Bark at Breast Height for Six Major Conifers of Southwest Oregon written by David Rolf Larsen and published by . This book was released on 1985 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hilgardia written by and published by . This book was released on 1995 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Tree Height and Diameter Growth Equations for Mid-Willamette Valley Douglas-fir by : Martin W. Ritchie
Download or read book Development of Tree Height and Diameter Growth Equations for Mid-Willamette Valley Douglas-fir written by Martin W. Ritchie and published by . This book was released on 1985 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Equations for predicting height growth, basal area growth and diameter inside bark are presented for Douglas-fir. Basal area growth equations for grand fir are also presented. The growth models were developed for use in an individual tree/distance independent growth simulator. Various model forms and measures of competitive stress were compared in both the height and basal area growth models. The height growth equation is a function of crown ratio and height divided by dominant stand height. Basal area growth is a function of tree diameter, crown ratio, crown competition at the plot level, stand basal area and either site index or predicted height growth. The diameter inside bark equation, used in backdating tree diameters, is a nonlinear function of diameter outside bark.
Download or read book Research Contribution written by and published by . This book was released on 1993 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relations Between Inside and Outside Bark Diameter at Breast Height for Douglas-Fir in Northern Idaho and Northwestern Montana (Classic Reprint) by : Robert A. Monserud
Download or read book Relations Between Inside and Outside Bark Diameter at Breast Height for Douglas-Fir in Northern Idaho and Northwestern Montana (Classic Reprint) written by Robert A. Monserud and published by Forgotten Books. This book was released on 2018-09-09 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Relations Between Inside and Outside Bark Diameter at Breast Height for Douglas-Fir in Northern Idaho and Northwestern Montana Linear regression was used to predict breast high diameter inside bark from diameter outside bark for inland Douglas - fir. Observations were obtained from 777 trees, covering a wide range of sizes and ages, from northern Idaho and northwestern Montana. These predictions were compared to earlier studies of Douglas-fir bark thickness sampled in washington, Oregon, and the northern Rocky Mountain region; similar results were obtained. Indirect estimates of bark growth are derived and implications for stand simulation modeling are discussed. Bark growth was estimated to comprise approximately 25 percent of total basal area growth for inland Douglas-fir. 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.
Book Synopsis Equations for Predicting Diameter and Squared Diameter Inside Bark at Breast Hight for Six Major Conifers of Southwest Oregon by : David R. Larsen
Download or read book Equations for Predicting Diameter and Squared Diameter Inside Bark at Breast Hight for Six Major Conifers of Southwest Oregon written by David R. Larsen and published by . This book was released on 1985 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Bulletin written by and published by . This book was released on 1991 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Height-diameter Equations for Six Species in the Coastal Regions of the Pacific Northwest by : Mark L. Hanus
Download or read book Height-diameter Equations for Six Species in the Coastal Regions of the Pacific Northwest written by Mark L. Hanus and published by . This book was released on 1999 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three equations for predicting tree height as a function of diameter (outside bark) at breast height are presented for six species found in coastal regions of the Pacific Northwest. Foresters can use these "height-diameter" equations to avoid the time-consuming task of measuring heights of all individual trees in an inventory, a stand exam, or a timber cruise. Equation coefficients were estimated with weighted nonlinear regression techniques. Because the relationship between a tree's height and diameter depends on the tree's competitive position within the stand, alternative equations, including the average height and average diameter of the 40 largest-diameter trees/ac, are also presented. These equations are used in the Stand Management Cooperative version of ORGANON.