. TRIM timber projections : an evaluation based on forest inventory measurements. Forests and forestry Mensuration Mathematical models; Forest surveys North Carolina. Table 4âTimber resource Inventory model projections of Inventory and growth for the natural pine type, survey unit 3, nonindustriai private ownerships, North Carolina, 1974-84 Projections with Projections with empirical yield tables growth yield tables Evaluation Evaluation r rojeciions Net volume criteria^ Net volume criteria^ Million Million cubic feet cubic feet With base harvest: Beginning inventory 2,520 2,520 Base harvest 9
. TRIM timber projections : an evaluation based on forest inventory measurements. Forests and forestry Mensuration Mathematical models; Forest surveys North Carolina. Table 4âTimber resource Inventory model projections of Inventory and growth for the natural pine type, survey unit 3, nonindustriai private ownerships, North Carolina, 1974-84 Projections with Projections with empirical yield tables growth yield tables Evaluation Evaluation r rojeciions Net volume criteria^ Net volume criteria^ Million Million cubic feet cubic feet With base harvest: Beginning inventory 2,520 2,520 Base harvest 964 964 Growth 716 3 962 2 Ending inventory 2,273 3 2,520 1 With reduced harvest: Beginning inventory 2,520 2,520 Reduced harvest 868 868 Growth 712 3 964 2 Ending inventory 2,364 2 2,617 1 1= successful; 2= marginal; 3= unsuccessful. Inventory volume projections. 5 a 0 k_ 4) >â 1 « o I o g CQ 1974 Growth and base harvest Base harvest Measured growrth (FIA) Growth-yield growth projection. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Mills, John R; Pacific Northwest Research Station (Portland, Or. ). [Portland, Or. ] : U. S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
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