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Equations for Predicting Green Weight of Loblolly Pine Trees in the South

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Abstract:



Equations are needed to estimate the green weight of loblolly pine (Pinus taeda L.) trees across the commercial range in the South. Thus, a study was conducted to derive models for predicting green weight of total and merchantable bole portions. Equations were fitted to sectional tree stem observations where a serial correlation was discerned among the data, indicating an intratree relationship. Linear equations utilizing a correction for serial correlation did not outperform an uncorrected nonlinear equation form. Three data sets were combined, and regionwide prediction models for total green weight, green weight to any upper merchantable diameter, and green weight to any upper merchantable height were developed for loblolly pine trees. Implicit taper functions were derived from the green weight prediction equations to enable estimation of upper stem diameters and heights. South. J. Appl. For. 27(2):153–159.

Keywords: Pinus taeda; environmental management; forest; forest management; forest resources; forestry; forestry research; forestry science; inventory; mensuration; natural resource management; natural resources; taper functions; tree weight functions

Document Type: Miscellaneous

Affiliations: Department of Forestry (0324), Virginia Polytechnic Institute and State University, Blacksburg, VA, 24061, Phone: (540) 231-6952; Fax: (540) 231-3698 Burkhart@vt.edu

Publication date: 2003-08-01

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  • 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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