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    Author(s): Lance A. Vickers; David R. Larsen; Daniel C. DeyJohn M. Kabrick; Benjamin O. Knapp
    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: 201.
    Publication Series: Abstract
    Station: Northern Research Station
    PDF: View PDF  (67.09 KB)

    Description

    By what standard should a tree be judged? This question, perhaps unknowingly, is posed almost daily by practicing foresters. Unfortunately, there are few cases in which clearly defined quantitative (i.e., directly measurable) references have been established in forestry. A lack of common references may be an unnecessary source of error in silvicultural application and potentially confounds efforts to understand the biology and ecology of forest processes. The utility of the few references that have been established is immense. For example, foresters can assess site productivity for an area by calculating site index, which is a standardized, quantitative reference for site productivity. Moreover, foresters can compare site productivity across multiple areas (say, the Missouri Ozarks versus southern Indiana) because site index is a common reference that is widely accepted. Similarly, foresters can evaluate and compare stand density by calculating stocking percent.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Vickers, Lance A.; Larsen, David R.; Dey, Daniel C.; Kabrick, John M.; Knapp, Benjamin O. 2014. A potential quantitative method for assessing individual tree performance. 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: 201.

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