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SCALE UPPER <br /> Species 1 2 1 2 3 4 7 8 11 14 15 17 18 19 20 25 <br /> NOXIOUS WEEDS <br /> Artemisia absinthium 1 10 <br /> Bromusjaponicus 14 1 5 1 5 <br /> Bromustectorum 5 4 <br /> Cirswm arvense 1 <br /> Convolvulus arvensis 2 <br /> Cynoglossum off icinale 1 1 <br /> Leucanthemum vulgare <br /> Verbascum thapsus <br /> Total Noxious Weed Cover 5 18 0 1 1 0 0 0 0 10 1 1 5 3 1 5 <br /> Total Vegetation Cover 32 35 9 12 15 31 34 39 37 17 67 50 26 44 32 43 <br /> Bare soil 5 15 71 74 20 17 14 22 34 6 2 4 24 36 11 17 <br /> Litter 39 27 8 14 65 45 40 29 26 13 31 43 21 18 50 27 <br /> Rock 24 23 12 7 12 10 3 64 3 29 2 7 13 <br /> Total Non-Vegetative Cover 68 65 91 88 85 69 66 61 63 83 33 50 74 56 68 57 <br /> Total Cover 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 <br /> Sample Adequacy Calculation (Total Vegetation Cover) <br /> n= 30 <br /> sample mean = 37 <br /> sample standard deviation = 14.0602 <br /> sample variance= 197.689 <br /> t(one tail,alpha=.1, 29 df)= 1.311 <br /> d = 0.1 <br /> t252 <br /> nmin= 24.8189 n„t = C )2 <br />