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Table 16. Sample Adequacy -Seneca IIW Mine, SCC, Routt Co., CO - 2007 Page 1 of 1 <br />-----COVER---- <br />Foliar <br />AREA Cover (%) Std. Dev. N* N-min** (n-1) <br />----HERBACEOUS PRODUCTION---- <br />g m/0.5 <br />sq.m. Std. Dev. N' N-min*' (n-1) <br />----WOODY PLANT DENSITY*"---- <br />square root <br />of #/100 Std. Dev. <br />sq.m. of sq. rt. N' N-min** (n-1) <br />2003 Reclamation Area 40.3 4.9 7 4 1.440 67.0 23.0 7 25 1.440 3.4 3.1 7 81 1.440 <br />2005 Reclamation Area 36.2 8.0 12 10 1.363 78.0 47.0 12 68 1.363 0.7 0.9 12 136 1.363 <br />Aspen Reference Area 76.3 5.9 9 2 1.397 82.7 61.9 15 102 1.345 NC NC NC NC NC <br />Mtn. Brush Reference Area 70.3 9.3 10 4 1.383 36.3 12.3 15 21 1.345 NC NC NC NC NC <br />Sagebrush Reference Area 63.1 6.3 10 2 1.383 50.3 15.5 15 18 1.345 NC NC NC NC NC <br />*N =Sample Size <br />** N-min =Minimum sample size necessary to detect a 10% reduction in the mean (15% reduction for Woody Plant Density) with 90% confidence using n-1 degrees of freedom <br />NC =Not Collected <br />**' = A square root transformation was performed prior to sample adequacy calculations for Woody Plant Density <br />