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  1. Converting international ¼ inch tree volume to Doyle

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    Author(s): Aaron Holley; John R. Brooks; Stuart A. Moss
    Date: 2014
    Source: In: Groninger, John W.; Holzmueller, Eric J.; Nielsen, Clayton K.; Dey, Daniel C., eds. Proceedings, 19th Central Hardwood Forest Conference; 2014 March 10-12; Carbondale, IL. General Technical Report NRS-P-142. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 295-298.
    Publication Series: Paper (invited, offered, keynote)
    Station: Northern Research Station
    PDF: Download Publication  (608.5 KB)
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    Description

    An equation for converting Mesavage and Girard's International ¼ inch tree volumes to the Doyle log rule is presented as a function of tree diameter. Volume error for trees having less than four logs exhibited volume prediction errors within a range of ±10 board feet. In addition, volume prediction error as a percent of actual Doyle tree volume was generally less than 10 percent for all trees and less than 5 percent for trees larger than 20-inch diameter at breast height (d.b.h.) This equation was developed for those wanting a more accurate method of converting standard inventory estimates of average volume to an alternative log rule.

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    Citation

    Holley, Aaron; Brooks, John R.; Moss, Stuart A. 2014. Converting international ¼ inch tree volume to Doyle. In: Groninger, John W.; Holzmueller, Eric J.; Nielsen, Clayton K.; Dey, Daniel C., eds. Proceedings, 19th Central Hardwood Forest Conference; 2014 March 10-12; Carbondale, IL. General Technical Report NRS-P-142. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 295-298.

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https://www.fs.usda.gov/treesearch/pubs/47434