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Table 13. Means (in #/acre), standard deviations, number of samples taken <br />and needed to meet suggested leve <br />studies on the <br />• <br />for shrub densit l of adequacy <br />stud <br />area and Level of adequacy attained <br />., <br />y y <br />. <br /> Adequacy <br />Vegetation Tvoe z s N NS Attained <br />Big Sagebrush 6819.3 5283.4 25 22 .816 <br />Mountain Shrub 8726.4 12047.1 30 68 .701 <br />Mountain Shrub-control 11238.6 8814.3 30 22 .830 <br />- MS-North Facing Slopes 4966.0 4106.4 20 25 .780 <br />Pinyon-Juniper 3548.2 4673.2 30 62 .714 <br />Pinyon-Juniper-control 3462.8 2946.0 30 26 .815 <br />z =sample mean <br />s =sample standard deviation <br />N =number of samples taken <br />_ <br />NS = number of samples needed for suggested sample adequacy based on density. <br />(Appendix A) <br />_. <br />-34- <br />