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Author: Donald E. Hilt
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 24
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Book Description
S2OAKSIM is an individual-tree growth and yield simulator for managed, even-aged, upland oak stands. Growth and yield projections for various thinning alternatives can be made with OAKSIM for up to 50 years. Simulator components include an individual-tree diameter growth model, a mortality model, height prediction equations, bark ratio equations, a taper based volume system, and a mathematical thinning rule based on actual data. The range of age, site, and stand conditions to which OAKSIM can be applied is discussed, and a numerical example is used to demonstrate computer output generated by the simulator.S3.
Author: Donald E. Hilt
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 24
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Book Description
S2OAKSIM is an individual-tree growth and yield simulator for managed, even-aged, upland oak stands. Growth and yield projections for various thinning alternatives can be made with OAKSIM for up to 50 years. Simulator components include an individual-tree diameter growth model, a mortality model, height prediction equations, bark ratio equations, a taper based volume system, and a mathematical thinning rule based on actual data. The range of age, site, and stand conditions to which OAKSIM can be applied is discussed, and a numerical example is used to demonstrate computer output generated by the simulator.S3.
Author: Donald E. Hilt
Publisher:
ISBN:
Category : Forest thinning
Languages : en
Pages : 28
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Book Description
Met dit computerprogramma kunnen groei- en opbrengstprojecties worden opgesteld voor verschillende dunningsmogelijkheden tot zo'n 50 jaar
Author: Thomas M. Schuler
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 20
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Book Description
SILVAH, FIBER, NE-TWIGS, and OAKSIM simulators, commonly used in the northeastern United States, were evaluated by comparing predicted stand development with actual stand development records for periods ranging from 15 to 50 years. Results varied with stand parameter, forest type, projection length, and geographic area. Except in the spruce-fir forest type where FIBER stands out as the best simulator, no single simulator is clearly superior to the others for all locations within a forest type. In general, FIBER, NE-TWIGS, and SILVAH performed best in the northern hardwood (beech- birch-maple) forest type; NE-TWIGS and SILVAH performed best in the Allegheny hardwood (cherry-maple) forest type; SILVAH and OAKSIM performed best in the oak- hickory forest type; and SILVAH was most suitable in the transition hardwood (mixture of northern hardwoods and oaks) forest type. The results give growth and yield model users more information for selecting the simulator most suitable for their particular needs. The results also can be used as a diagnostic tool for growth and yield model development.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 590
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Author: Brian T. Simpson
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 116
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 452
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Author:
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 196
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Author: Lawrence E. Osborn
Publisher:
ISBN:
Category : Liriodendron tulipifera
Languages : en
Pages : 688
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Book Description
S2In West Virginia, yellow-poplar (Liriodendron tulipifera) is abundant and is a prime candidate for increased utilization in a variety of manufacturing industries. Computer simulations are a cost-effective tool for estimating potential cutting yields from lumber. They can be used to promote increased use of yellow-poplar in the furniture, cabinet, and architectural woodworking industries and may also lead to increased utilization of the lower grades of lumber. This paper describes the data collection methods and the format of the new West Virginia yellow-poplar lumber defect database that was developed for use with computer simulation programs. The database contains descriptions of 627 boards, totaling approximately 3,800 board feet, collected in West Virginia for grades FAS, FASIF, No. 1 Common, No. 2A Common, and No. 28 Common.S3.
Author: Ervin G. Schuster
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 276
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Author:
Publisher:
ISBN:
Category : Forest products industry
Languages : en
Pages : 468
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Book Description
