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• • <br />TABLE 24. STUDY AREA/ REFERENCE AREA SAMPLE AGEOUACY, Peabody Seneca II Mine, Cypress Aree <br />V <br />A <br />i <br />VEGETATION TYPE COVER PRODUCTION SHRUB DENSITY TREE DCNSITY <br /> (percent) N• n-m tn•• (qm / N• n- min•• (;tams / N+ n- min•• (stems / N• n- m~n•• <br /> sq. m. ) 50 sq. m) 250 sq. m. ) <br />ASPEN 80.4 10 3 88.6 20 42 42.6 20 68 12.5 20 198 <br />CONIFER 73.2 5 2 16.5 IS 157 18.3 IS 28 111.6 IS 12 <br />MEADOW 80.4 10 I 901.7 20 14 NA NA NA NA NA NA <br />MOUNTAIN BRUSH 79.0 10 2 87.4 50 31 83.4 10 4 NA NA NA <br />SAGEBRUSH 69.6 10 B 129.9 50 99 57.9 1B 18 NA NA NA <br />MOUNTAIN BRUSH 89.8 9 I 73.0 30 72 68.3 9 4 NA NA NA <br />REFERENCE <br />SAGEBRUSH 88.0 7 I 153.8 30 40 67.6 7 3 NA NA NA <br />REFERENCE <br /> • N -Sample size <br /> •• n-mm - Mim mum se mple size necessary to aetect a 101< reduction ~n the mean with 90 S confid ence. <br />