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<br /> <br />Table 15. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA SEEDED IN 1988. WALDEN COAL <br />PROJECT SITE. BASED ON DATA COLLECTED BETWEEN 1989 AND 1997. MEAN COVER VALUES IN PERCENT. <br />w <br />Year 1989 1990 1991 1992 1993 1994 1995 1996 1997 <br />Sample Siu 14 14 14 14 14 14 l4 14 20 <br /> <br />SHRUBS <br />Artemisia tridentate 0.00 0.29 0.37 0.86 0.29 0.57 1.57 1.00 1.03 <br />Ceratoides Janata 0.00 <0.01 <0.01 <(I.OI 0.14 <0.01 <0.01 <p.01 <I1.01 <br />Chrysothamnus nauseosus 0.00 0.00 <p.01 <0.01 <0.01 <O.OI <0.01 <0.01 0.10 <br />Chrysothamnus viscidiJJorus 0.00 0.00 0.00 0.00 0.00 <0.01 <0.01 <0.01 0.00 <br />Purshia tridentate 0.00 0.00 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 <br />Sarcobatus vermicutatus 0.00 0.00 0.00 <p.01 <p.01 <0.01 <0.01 <0.01 <0.01 <br />Subtotal 0.00 0.30 0.59 0.90 0.45 0.57 1.61 1.04 1.13 <br /> <br />LTI1'ER 57.29 33.57 54.43 40.71 43.00 49.71 47.00 49.14 47.70 <br />ROCK 0.14 0.00 0.29 0.00 0.00 0.14 0.00 0.29 0.10 <br />TOTAL VEGETATION 16.14 33.29 19.14 30.86 33.43 27.43 32.86 27.14 30.60 <br />LITTER/ROCK 57.43 33.57 54.71 40.71 43.00 49.86 47.00 49.43 47.80 <br />BARE SOIL 26.43 33.14 26.14 28.43 23.57 22.71 20.14 23.43 21.60 <br />TOTAL COVER 73.57 66.86 73.86 71.57 76.43 77.29 79.86 76.57 78.40 <br /> <br />No. Species/Sample 3.07 4.36 3.57 3.14 3.43 3.36 3.00 3.00 2.00 <br /> <br />