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Growth Model For Uneven Aged Loblolly Pine Stands
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Book Synopsis Growth Model for Uneven-aged Loblolly Pine Stands by : Ching-Rong Lin
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.
Book Synopsis Growth Model for Uneven-aged Loblolly Pine Stands by :
Download or read book Growth Model for Uneven-aged Loblolly Pine Stands written by and published by . This book was released on 1998 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth Model for Uneven Aged Loblolly Pine Stands by : C. R. Lin
Download or read book Growth Model for Uneven Aged Loblolly Pine Stands written by C. R. Lin and published by . This book was released on 1998 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Growth Model for Uneven-aged Loblolly Pine Stands by : Ching-Rong Lin
Download or read book A Growth Model for Uneven-aged Loblolly Pine Stands written by Ching-Rong Lin and published by . This book was released on 1995 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book SouthPro written by and published by . This book was released on 1998 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book SouthPro written by and published by . This book was released on 1998 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth and Yield Estimation for Loblolly Pine in the West Gulf by : Paul A. Murphy
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:
Book Synopsis The SouthPro Computer Program by : Benedict Joseph Schulte
Download or read book The SouthPro Computer Program written by Benedict Joseph Schulte and published by . This book was released on 1997 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Uneven-aged Silviculture for the Loblolly and Shortleaf Pine Forest Cover Types by : James B. Baker
Download or read book Uneven-aged Silviculture for the Loblolly and Shortleaf Pine Forest Cover Types written by James B. Baker and published by . This book was released on 1996 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: A half-century of experience and research with uneven-aged silviculture in loblolly-shortleaf pine stands in the South are summarized in this publication, and silvicultural guidelines for developing and managing uneven-aged stands are provided.
Book Synopsis Tables for Estimating Growth and Yield of Uneven-aged Stands of Loblolly-shortleaf Pine on Average Sites in the West Gulf Area by : Robert M. Farrar
Download or read book Tables for Estimating Growth and Yield of Uneven-aged Stands of Loblolly-shortleaf Pine on Average Sites in the West Gulf Area written by Robert M. Farrar and published by . This book was released on 1984 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods for Modeling Individual Tree Growth and Stand Development in Seeded Loblolly Pine Stands by :
Download or read book Methods for Modeling Individual Tree Growth and Stand Development in Seeded Loblolly Pine Stands written by and published by . This book was released on 1979 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Uneven-aged Management of Longleaf Pine Forests by :
Download or read book Uneven-aged Management of Longleaf Pine Forests written by and published by . This book was released on 2005 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in appropriate management approaches for sustaining longleaf pine (Pinus palustris Mill.) forests has increased substantially during the recent decade. Although long-leaf pine can be managed using even-aged techniques, interest in uneven-aged methods has grown significantly as a result of concern for sustaining the wide range of ecological values associated with maintaining continuous crown cover in these ecosystems. Indeed, land managers have recently sought to restore and sustain the many habitat attributes upon which numerous at-risk species depend, while simultaneously producing high-quality wood products from longleaf pine forest ecosystems. Although earlier research produced a substantial body of knowledge to guide even-aged management, less is known about application of uneven-aged management methods in longleaf pine forests. Much of this information is yet in the developmental staage. However, managers from the Florida Division of Forestry and Florida National Forests, having a keen interest in applying what is currently known, encouraged scientists of the U.S. Department of Agriculture Forest Service, Southern Research Station and faculty members from the School of Forest Resources and Conservation at the University of Florida to engage in a dialogue that focused on addressing 60 of their key questions concerning uneven-aged management of longleaf pine. This dialogue addresses issues related to (1) methods for converting even-aged to uneven-aged stands, (2) growth and yield, (3) selection harvest techniques, (4) optimum logging practices, (5) effects on red-cockaded woodpeckers (Picoides borealis), (6) prescribed burning approaches, (7) regeneration, (8) optimum stand structure, (9) competition tolerance and release of various seedling age classes, and (10) the viability of interplanting and underplanting.
Book Synopsis WestPro, a Computer Program for Simulating Uneven-aged Douglas-fir Stand Growth and Yield in the Pacific Northwest by :
Download or read book WestPro, a Computer Program for Simulating Uneven-aged Douglas-fir Stand Growth and Yield in the Pacific Northwest written by and published by . This book was released on 2003 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: WestPro is an add-in program designed to work with Microsoft Excel to simulate the growth of uneven-aged Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stands in the Pacific Northwest region of the United States. Given the initial stand state, defined as the number of softwood and hardwood trees per acre by diameter class, WestPro predicts the future stand state for each year of a predetermined time horizon. Management regimes are defined by a target stand distribution and a cutting cycle. Performance indicators include diversity of tree size and species, timber yield, and net present value of harvest over the given horizon. This paper contains background information on the WestPro program and instructions and suggestions for its application. By working the examples found in the text, the user will learn how to simulate the growth of a given initial stand and to predict how different management regimes may affect stand structure, yield, and diversity. Limitations of the model also are discussed.
Book Synopsis Growth and Yield of Uneven-aged Shortleaf Pine Stands in the Interior Highlands by : Paul A. Murphy
Download or read book Growth and Yield of Uneven-aged Shortleaf Pine Stands in the Interior Highlands written by Paul A. Murphy and published by . This book was released on 1985 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Forest Trees and Stands by : Harold E. Burkhart
Download or read book Modeling Forest Trees and Stands written by Harold E. Burkhart and published by Springer Science & Business Media. This book was released on 2012-04-27 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drawing upon a wealth of past research and results, this book provides a comprehensive summary of state-of-the-art methods for empirical modeling of forest trees and stands. It opens by describing methods for quantifying individual trees, progresses to a thorough coverage of whole-stand, size-class and individual-tree approaches for modeling forest stand dynamics, growth and yield, moves on to methods for incorporating response to silvicultural treatments and wood quality characteristics in forest growth and yield models, and concludes with a discussion on evaluating and implementing growth and yield models. Ideal for use in graduate-level forestry courses, this book also provides ready access to a plethora of reference material for researchers working in growth and yield modeling.
Book Synopsis Seasonal and Cumulative Loblolly Pine Development Under Two Stand Density and Fertility Levels Through Four Growing Seasons by : James D. Haywood
Download or read book Seasonal and Cumulative Loblolly Pine Development Under Two Stand Density and Fertility Levels Through Four Growing Seasons written by James D. Haywood and published by . This book was released on 1994 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book SouthPro written by and published by . This book was released on 1998 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
