The Quality Index in Hardwood Sawtimber Management PDF Download
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Author: Allyn Marsh Herrick
Publisher:
ISBN:
Category : Timber
Languages : en
Pages : 28
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Author: Allyn Marsh Herrick
Publisher:
ISBN:
Category : Timber
Languages : en
Pages : 28
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Author: Joseph J. Mendel
Publisher:
ISBN:
Category : Hardwoods
Languages : en
Pages : 28
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Book Description
S2Ever since the quality-index (Q.I.) concept was introduced by A.M. Herrick in 1946, its importance as a measure of timber value has grown: and it has been used, not only in other research efforts, but also as a tool to be used by foresters and timber operators (Herrick 1946). We have recently employed the Q.I. concept in our rate-of-value-increase studies on nine tree species in the Northeast and recognized that, as a byproduct of this study, the log-quality indexes would be useful to timber operators. This paper briefly reviews the quality-index concept, presents log-quality index tables for a selected group of eastern hardwood tree species, and explains how timber operators can use Q.I. for evaluating the lumber that can be sawed from logs and trees. The Q.I. tables are based on two different lumber price reporting services and cover different geographic regions. Those species that occur in more than one region have a different Q.I. in each region. S3.
Author: Nellie Geneva Larson
Publisher:
ISBN:
Category : Timber
Languages : en
Pages : 16
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Author: Frances Josephine Flick
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
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Author: Orris D. McCauley
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 34
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S2The primary purpose of this paper is not only to report the results of a comparative analysis as to how well the Q.I. method predicts log product values when compared to commercial sawmill log output values, but also to develop a methodology which will facilitate the comparison and provide the adjustments needed by the sawmill operator. The commercial sawlog values as derived in an independent study of seven sawmills in southeastern Ohio and eastern Kentucky were compared with Q.I. values developed for an analysis of log and tree valuation. (Whittaker and McCauley 1966). Six different species were compared: red oak, black oak, scarlet oak, white oak, chestnut oak, and yellow-poplar.S3.
Author: James A. Johnson
Publisher:
ISBN:
Category : Hardwoods
Languages : en
Pages : 108
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Author: Steven J. Goodson
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 64
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Author: Paul S. DeBald
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 32
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Updated tree value conversion standards (TVCS) are presented for 12 major hardwood species of the central hardwood forest. TVCS measure a tree's worth in dollars based on the quantity and quality of its expected yield of 414 (I-inch) lumber. The updated standards-developed for each species by butt-log grade, merchantable height, and diameter at breast height-reflect the changes in lumber prices and in conversion costs which have occurred since 1976 when the original TVCS were published.
Author: Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 474
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Author: Hickory Task Force
Publisher:
ISBN:
Category : Hickories
Languages : en
Pages : 252
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