Stem-profile Functions for Predicting Multiple-Product Volumes in Natural Longleaf Pines

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Abstract:

The stem-profile (taper) functions presented for natural longleaf pine (Pinus palustris Mill.) trees growing in the East Gulf region, when integrated, permit the prediction of volume between any two heights on a stem for three broad crown-ratio classes. Conversely, by iteration, the volume between any two diameters on a stem can be predicted. The functions generally predict cubic-foot volumes that are within ± 0.5 ft³ of observed volume and account for at least 98% of the variation in observed volume. Comparisons are made with some existing D²H and volume-ratio volume equations. Also, example applications of the functions are given along with an announcement (in the Appendix) of a computer program to evaluate the functions for cubic-foot volume. South. J. Appl. For. 11(3):161-167.

Document Type: Journal Article

Affiliations: Forestry Sciences Laboratory, Monticello, Arkansas 71655

Publication date: August 1, 1987

More about this publication?
  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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