Volume and Taper Equations for Thinned and Unthinned Loblolly Pine Trees in Cutover, Site-Prepared Plantations

Abstract Stem analysis data from loblolly pine (Pinus taeda L.) trees grown in cutover, site-prepared plantations across the South were used to develop total and merchantable cubic-foot volume equations and implicit taper relationships for thinned and unthinned conditions. The data were obtained from trees felled during plot establishment for a thinning study and from trees felled during the second thinning of a portion of the same plots 12 yr later. The volume equations presented can be used to predict volume to any specified height or diameter limit for loblolly pine trees in thinned and unthinned stands on cutover site-prepared areas. The taper relationships enable the prediction of upper stem diameters and heights. South. J. Appl. For. 21(3):146-152.