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Author : Bruce Zobel
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (169 download)
Download or read book Wood Yields from Loblolly Pine Stands of Different Age, Site, and Stand Density written by Bruce Zobel and published by . This book was released on 1965 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ching-Rong Lin
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.X/5 (5 download)
Download or read book Growth Model for Uneven-aged Loblolly Pine Stands written by Ching-Rong Lin and published by . This book was released on 1998 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: A density-dependent matrix growth model of uneven-aged loblolly pine stands was developed with data from 991 permanent plots in the southern United States. The model predicts the number of pine, soft hardwood, and hard hardwood trees in 13 diameter classes, based on equations for ingrowth, upgrowth, and mortality. Projections of 6 to 10 years agreed with the growth of stands between the last two inventories. In 300-year simulations of undisturbed growth, softwood species were replaced by hardwoods, in accord with previous knowledge. Soft hardwood species became dominant on good sites and hard hardwoods on poor sites. Basal area oscillated over time, converging slowly towards a steady state. Changes in tree size diversity were correlated positively with basal area. Without disturbance, species diversity would decrease. For economic analysis, equations were developed to predict total tree height, sawlog length and volume, pulpwood volume, and volume of top sawtimber, as functions of tree diameter and stand basal area. Simulations of three cutting regimes showed that management would lead to a steady state faster than would natural growth. Management aimed at maintaining the current average distribution would result in size and species diversity similar to that of an unmanaged stand. From a financial point of view, the q-factor guide and a 13-in.- (330-mm-) diameter-limit cut would be superior to the average current management regime. The diameter-limit regime would have the greatest effect on lowering tree size diversity and an effect on species diversity similar to that of the q-factor guide. A computer program, SOUTHPRO, was developed to simulate the effects of other management alternatives.
Author : James Donald Burton
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (319 download)
Download or read book Growth and Yield in Managed Natural Stands of Loblolly and Shortleaf Pine in the West Gulf Coastal Plain written by James Donald Burton and published by . This book was released on 1979 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul A. Murphy
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (319 download)
Download or read book Growth and Yield Estimation for Loblolly Pine in the West Gulf written by Paul A. Murphy and published by . This book was released on 1979 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William C. Hopkins
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Relationship of Stand Characteristics to Quality of Loblolly Pine written by William C. Hopkins and published by . This book was released on 1958 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : V. C. Baldwin
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (319 download)
Download or read book Loblolly Pine Growth and Yield Prediction for Managed West Gulf Plantations written by V. C. Baldwin and published by . This book was released on 1987 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth B. Trousdell
Publisher :
ISBN 13 :
Total Pages : 688 pages
Book Rating : 4.F/5 ( download)
Download or read book Loblolly Pine Seed Tree Mortality written by Kenneth B. Trousdell and published by . This book was released on 1955 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (319 download)
Download or read book Formation and Properties of Juvenile Wood in Southern Pines written by and published by . This book was released on 2001 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: To satisfy the increasing demand for forest products, much of the future timber supply will be from improved trees grown on managed plantations. This fast-grown resource will tend to be harvested in short age rotations and will contain higher proportions of juvenile wood than that of current harvests. In anticipation of this resource, definitive information is needed on the influence of juvenile wood on lumber properties so that grading rules and the associated allowable design stresses can be modified as needed. This document reports the results of an extensive review of the literature on juvenile wood in southern pines. This report defines and discusses the extent, occurrence, and characteristics of juvenile wood. It reviews the effects that environment and silviculture have on the amount of juvenile wood produced. Finally, the impacts that juvenile wood has on mechanical properties were quantified. The results of this quantification are significant to all producers of fast-grown plantations. Research has clearly shown that juvenile wood will have a detrimental impact on allowable design stresses for visually graded lumber. It is critical that methods are developed to more carefully manage fast-grown plantation wood for its most efficient use. This review should serve as an overall collection of knowledge pertaining to juvenile wood research in southern pines and should help in the decision-making efforts to improve seedling selection techniques and silvicultural practices to maximize the potential for fast-grown plantations of southern pines.
Author : Bruce Edward Borders
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (319 download)
Download or read book Stand Density Effects in Slash and Loblolly Pine Plantations written by Bruce Edward Borders and published by . This book was released on 1985 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. F. Mann
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (319 download)
Download or read book Yields of 17-year-old Loblolly Pine Planted on a Cutover Site at Various Spacings written by W. F. Mann and published by . This book was released on 1971 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (319 download)
Download or read book Stand Structure and Yields of Site-prepared Loblolly Pine Plantations in the Lower Coastal Plain of the Carolinas, Georgia, and North Florida written by and published by . This book was released on 1984 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. B. Goebel
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (145 download)
Download or read book The Effect of Site, Age and Stand Density on Diameter Growth of Loblolly Pine written by N. B. Goebel and published by . This book was released on 1965 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1014 pages
Book Rating : 4.3/5 ( download)
Download or read book Journal of Agricultural Research written by and published by . This book was released on 1937 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce J. Zobel
Publisher : Springer Science & Business Media
ISBN 13 : 3642740693
Total Pages : 376 pages
Book Rating : 4.6/5 (427 download)
Download or read book Wood Variation written by Bruce J. Zobel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood is the usual end product of a forestry operation. Because of its importance, numerous studies have been made relative to wood prop erties, the causes of wood variation, and how best to develop wood for desired products. There is voluminous literature related to these subjects, but it is neither well known nor appreciated by foresters because the publications are often not available or are not well understood by the forester or by those who use the wood. Frequently, the literature is confusing and contradictory, making it difficult for the nonspecialist to use what information is available. In order to produce and use wood efficiently, the variation pat terns within trees, among trees within species, and among species must be understood. This also requires some knowledge of the causes of variation and the effects of different wood properties upon utiliza tion. The information about variation patterns, their causes, and con trol and effect upon the product must be known by the tree grower, the tree breeder, and the tree harvester as well as by those who ultimately convert wood into a final, salable product.
Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (319 download)
Download or read book Regional Timber Yield and Cost Information for the South written by and published by . This book was released on 1984 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Samuel Bethel
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (215 download)
Download or read book The Influence of Stand Density Upon the Quality of Wood Produced in Young Loblolly Pine Stands written by James Samuel Bethel and published by . This book was released on 1947 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert P. Schultz
Publisher : U.S. Government Printing Office
ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.:/5 (319 download)
Download or read book Loblolly Pine written by Robert P. Schultz and published by U.S. Government Printing Office. This book was released on 1997 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
