. A primer on stand and forest inventory designs. Forests and forestry Mensuration; Forest surveys. of zero. Computation follows examples presented earlier for a proportion estimator (equations 23 and 24): ypc = [(60*0) + (75 * 1) + ... (45 * 1)]/ (60 + 75 + . . 45) = wildlife use per plot. s2(yP)c = * (1 - ) = (syp)c = ()1/2 = (%se)c = .1755 * 100 = yc = * 6,240 = 3,487 acres of wildlife use in the Enchanted Forest. (Sy2)c = [ * (6,240/15300)2/8J * [1 - 8/6,240] = The same area estimators are computed for the hard
. A primer on stand and forest inventory designs. Forests and forestry Mensuration; Forest surveys. of zero. Computation follows examples presented earlier for a proportion estimator (equations 23 and 24): ypc = [(60*0) + (75 * 1) + ... (45 * 1)]/ (60 + 75 + . . 45) = wildlife use per plot. s2(yP)c = * (1 - ) = (syp)c = ()1/2 = (%se)c = .1755 * 100 = yc = * 6,240 = 3,487 acres of wildlife use in the Enchanted Forest. (Sy2)c = [ * (6,240/15300)2/8J * [1 - 8/6,240] = The same area estimators are computed for the hardwood and brush/open strata. The estimates are combined for the Forest as follows: Y = (3,487 + 4,368 + 0) - 7,855 acres for which wildlife use is estimated in the Enchanted Forest. Y = 7,855 / 15,300 = acres showing wildlife utilization. Sy = [(977,021 + 637,985 + 0)/1 5,3002],/2 = %SE = ( 36)* 100 = ± %. Forest Boundary. Figure 31— Location of primary sampling units (stands with bold bound- tD Conifer aries) based upon a random drawing of stand numbers stratified by D Hardwood vegetation type. HI Brush/Open 67. 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 Lund, H. Gyde; Thomas, Charles E. (Charles Eugene), 1940-; United States. Forest Service. [Washington, D. C. ?] : U. S. Dept. of Agriculture, Forest Service
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