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• Cover <br />Total cover will be analyzed on both the reclaimed areas and <br />reference area and a comparison will be made to determine the <br />revegetation success. The comparison will be a statistical <br />analysis which will provide results valid at the 90 percent <br />confidence level using a one-sided t test and 0.10 alpha error <br />probability. <br />Production <br />Total herbaceous production will be analyzed on both the <br />reclaimed areas and reference area and a comparison will be made <br />to determine the revegetation success. The comparison will be a <br />statistical analysis which will provide results valid at the 90 <br />percent confidence level using a one-sided t test and 0.10 alpha <br />error probability. <br />• <br />Shrub Density <br />The standard for woody plant density reestablishment will be <br />2,000 stems/acre. Additionally, the establishment of woody <br />plants on the revegetated areas will be considered acceptable if <br />the stem density is not less than 90 percent of the approved <br />standard with 90 percent statistical confidence. <br />C~ <br />-11- (Revised 10/03/90) <br />