Common associates include cottonwoods, willows, ashes, elms, hackberry, and maples. Common associates include yellow-poplar, elms, maples, and black walnut. Common associates include gums, hickories, and yellow-poplar. Gross growth includes mortality. Net change is equal to net growth minus removals.
Net growth is equal to gross growth minus mortality.
Thus, the 12- inch class includes trees 11.0 inches through 12.9 inches in d.b.h. The minimum sawlog top is 7.0 inches in d.o.b. for softwoods and 9.0 inches in d.o.b. for hardwoods. Stocking Stocking is a measure of the extent to which the growth potential of the site is utilized by trees or preempted by vegetative cover. Stocking is determined by comparing the stand density in terms of number of trees or basal area with a specified standard. Therefore, full stocking is 100 percent of the stocking standard.