Traditional inventory Variable radius (prism) and fixed area (1 and 2 plot sizes): Minimum basal area factor = 5 sq. ft./acre Minimum plot size for fixed area plots = 0.01 acres Single fixed area plot or nested with only smaller trees measured in central, smaller plot Maximum of 99 plots with a maximum of 45 trees per plot
100 percent inventory Maximum of 4,475 tree
All inventories Minimum DBH = 1" Maximum pulpwood height = 8 bolts (1 bolt = 8')
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