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Sensitivity Of Trim Projections To Management Harvest Yield And Stocking Assumptions
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Book Synopsis Sensitivity of TRIM Projections to Management, Harvest, Yield, and Stocking Assumptions by : Susan J. Alexander
Download or read book Sensitivity of TRIM Projections to Management, Harvest, Yield, and Stocking Assumptions written by Susan J. Alexander and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sensitivity of TRIM Projections to Management, Harvest, Yield, and Stocking Assumptions by : Susan Alexander
Download or read book Sensitivity of TRIM Projections to Management, Harvest, Yield, and Stocking Assumptions written by Susan Alexander and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sensitivity of Trim Projections to Management, Harvest, Yield, and Stocking Adjustment Assumptions (Classic Reprint) by : Susan J. Alexander
Download or read book Sensitivity of Trim Projections to Management, Harvest, Yield, and Stocking Adjustment Assumptions (Classic Reprint) written by Susan J. Alexander and published by Forgotten Books. This book was released on 2018-09-12 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Sensitivity of Trim Projections to Management, Harvest, Yield, and Stocking Adjustment Assumptions Analysis of management intensity and yield function sensitivity: Run 6 - Acres allowed to shift into higher management intensities during current rotation. Run 7 - Modified yield functions. Run 8 - No management intensity shifting. The trim model uses volume tables with volume set as a function of age, site, species, and average stand density. Stands following the same yield function are grouped together in trim and are referred to as a basic resource unit (bru). Inventory in a particular bru is in the same site, species, owner group, and region. In the data set used for this study, a species group in the same site has from two to five management intensities, each with its own yield table. Basic resource units containing the same site and species can be combined into a grouped resource unit (gru) to provide summary statistics, such as a grouping called Douglas-fir low site forest industry. 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 Sensitivity of TRIM Projections to Management, Harvest, Yield, and Stocking Adjustment Assumptions by : Susan J. Alexander
Download or read book Sensitivity of TRIM Projections to Management, Harvest, Yield, and Stocking Adjustment Assumptions written by Susan J. Alexander and published by . This book was released on 1991 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sensitivity of TRIM Projections to Management and Stocking Adjustment Assumptions by : Susan J. Alexander
Download or read book Sensitivity of TRIM Projections to Management and Stocking Adjustment Assumptions written by Susan J. Alexander and published by . This book was released on 1988 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Timber Resource Inventory Model (TRIM) is a computer model used by the U.S.D.A. Forest Service in assessing the state of the Nation's forest resources and the forests' probable future conditions. TRIM is a yield table projection system designed and developed to model forest inventory changes over time in response to different levels of management and to removals from either large or small forested areas. The purpose of this study was to determine the sensitivity of regional timber availability projections to yield table assumptions and various silvicultural impacts. Yields were projected under various management assumptions. In addition, the yield projections themselves were tested by projecting yields with and without approach to normality. A literature survey was conducted to assess work previously done with changes in management assumptions, model sensitivity, and approach to normality (i.e., stocking adjustment). In the short run, the projections were constrained by current inventory, growth functions, and harvest levels. In the long run, projections were constrained by growth functions and harvest levels. Inventory projections for all species and combined ownership varied both in trend and in degree between runs in both the long and the short run. Growth trends for all species and combined ownership showed normal yields with stocking adjustment and managed yields without stocking adjustment paralleling each other in both the long and the short run. Growth for managed yields with stocking adjustment exceed the two previous management intensities in both the long and the short run. Empirical yields without stocking adjustment are far below normal yields with stocking adjustment and managed yields without stocking adjustment in the short run, but the three projections converge in the long run. It was shown that the difference between runs with and without stocking adjustment is appreciable in both the short and the long run. Limitations of TRIM include the fact that it is difficult to use for the uninitiated, harvest levels are set, and the stocking adjustment function is relatively inflexible.
Download or read book Research Note PNW written by and published by . This book was released on 1988 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report SRS written by and published by . This book was released on 1995 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1992 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computers and Information Technologies in Agricultural Production and Management by :
Download or read book Computers and Information Technologies in Agricultural Production and Management written by and published by . This book was released on 1997 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computers and Information Technologies in Agricultural Production and Management by : Karl Schneider
Download or read book Computers and Information Technologies in Agricultural Production and Management written by Karl Schneider and published by DIANE Publishing. This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bibliography contains 550 journal, book, and audiovisual citations from the National Agricultural Library's AGRICOLA database. Each entry includes title, publisher, NAL call number, place and date of publication, volume and issue number, pages, description (audiovisual), and descriptors. Many entries include abstracts. Indexed by subject and author.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1992 with total page 1846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1992 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forestry Theses Accepted by Colleges and Universities in the United States by :
Download or read book Forestry Theses Accepted by Colleges and Universities in the United States written by and published by . This book was released on 1981 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Forestry Theses Accepted by Colleges and Universities in the United States, July 1981-June 1990 by :
Download or read book Forestry Theses Accepted by Colleges and Universities in the United States, July 1981-June 1990 written by and published by . This book was released on 1994 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1993 with total page 1732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 34 (thesis year 1989) a total of 13,377 theses titles from 26 Canadian and 184 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 34 reports theses submitted in 1989, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
