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— <br />c — <br />t, <br />.T (0.9 • tec rucal standard) <br />(�51) <br />554.4 — 90 = 2,98 <br />353.9) <br />30/ <br />Since critical t = 0.854 (one - tailed, alpha = 0.2, 29 df) and t is greater than this critical value, the <br />hypothesis of no difference is rejected and reclamation success for BRB -5 background woody plant <br />density under Phase Ill is demonstrated. <br />A reverse t -test of the assertion that the 2011 BRB -5 Concentration Area woody plant density is <br />indistinguishable from 90% of the standard is as follows: <br />— (0.9 team ca: standard) <br />(1303.1 <br />v50 <br />(v <br />2035.6 — 900 <br />= 5,62 <br />Since critical t = 0.854 (one - tailed, alpha = 0.2, 29 df) and t is greater than this critical value, the <br />hypothesis of no difference is rejected and reclamation success for BRB -5 woody plant concentrations <br />areas under Phase III is demonstrated. <br />SPECIES DIVERSITY AND COMPOSITION <br />With regard to Mandatory Test A, that no single species comprise greater than 60% relative cover in <br />2011 BRB -5, Table H -1 shows that the most abundant single species (intermediate wheatgrass) was <br />25.88% relative first -hit cover, below the 60% threshold of concern. <br />Hence Mandatory Test A is passed. <br />23 <br />