White Pine
Average height is based on age and site index. Average basal area is based on age, height, and trees per acre. Cubic foot volumes are based on age, height, and trees per acre. These variables and average diameter are used to estimate board foot volume. Changes in trees per acre are based on age, site index, trees per acre, and elapsed time. The simulator converts estimates of board feet per acre between board foot rules (Doyle, Scribner, International 1/4 rule).The volume and growth relationships for the white pine simulator are based on the following work:
Hepp, T.E., J.P. Vimmerstedt, G.W. Smalley, and W.H. McNab. 2015. Estimating yields of unthinned eastern white pine plantations from current stocking in the southern Appalachians. Forest Science. 61(1): 114-122.