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• Sample Adequacy <br />A summary of sample adequacy calculations for the parameters of cover, herbaceous production, <br />and woody plant density is presented in Table 17 (Appendix 1). As can be seen in this table, the <br />data sets for cover for the 2004 reclamation areas as well as the three sampled extended <br />reference areas all achieved sample adequacy based on total vegetation cover. However, the <br />data sets for the 2006 and 2007 reclamation areas did not achieve sample adequacy. Production <br />data sets were nearly adequate for the 2004 reclamation area, but did not achieve sample <br />adequacy within any of the sampled reclamation or reference areas. Note that no formal testing <br />for phase three bond release that would involve herbaceous production were undertaken this <br />year, so achievement of adequacy was not at issue. Sample number in the 2004 and 2006 <br />seeded areas was based on one sample per 10 acres. As would be expected, minimum sample <br />sizes for background area shrub sampling far exceeded those taken. <br />• <br />• <br />17