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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />Table 4. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA <br />SEEDED IN 1988. WALDEN COAL PROJECT SITE. BASED ON DATA <br />COLLECTED BETWEEN 1989 AND 1994. MEAN COVER VALUES ARE IN <br />PERCENT. <br /> Year <br />Species 1989 1990 1991 1992 1993 1994 <br />Sample Size 19 14 19 19 19 19 <br />COOL SEASON PERENNIAL GRASSES <br />Agropyron dasysta chyum 6 .57 17. 57 9.86 18 .43 20. 00 13.00 <br />Agrostis scabra 0 .00 0. 01 0.00 0 .00 0. 00 0.00 <br />Agropyron smi thii 2 .29 3. 57 1.57 0 .57 0. 57 0.57 <br />Agropyron spi ca tam 0 .00 0. 01 0.01 0 .01 0. 01 0.01 <br />Agropyron tra chyca ul um 0 .00 0. 00 0.00 0 .19 0. 00 0.00 <br />Cera tochl oa ma rgina to 0 .00 0. 00 0.00 0 .00 0. 00 0.01 <br />Deschampsia ca espitosa 0 .00 0. 01 0.00 0 .00 0. 00 0.00 <br />Festuca idahoensis 0 .00 0. 00 0.00 0 .00 1. 14 0.00 <br />Nordeum juba tam 0 .00 0. 01 0.01 0 .01 0. 00 0.00 <br />Xoeleria macrantha 0 .00 0. 00 0.00 0 .00 0. 01 0.00 <br />Oryzopsis hymenoides 0 .00 0. 01 0.01 0 .01 0. 01 0.19 <br />Poa ampla 0 .00 0. 00 0.00 0 .00 0. 19 0.00 <br />Stipa vi ri dula 0 .93 0. 00 0.00 0 .01 0. 00 0.00 <br />Subtotal 9 .29 21. 19 11.46 19 .18 21. 89 13.73 <br />INTRODUCED PERENNIAL, GRASSES <br />Agropyron cris to tam 0 .00 0. 01 0.00 0 .01 0. 14 0.01 <br />Alopecurus pra tenses 0 .00 3. 00 0.01 1 .29 1. 00 0.71 <br />Bromus inermis 0 .00 0. 00 0.00 0 .01 0. 00 0 <br />Elymus jun ceus 0 .19 3. 43 3.86 9 .57 9. 57 8.71 <br />Festuca ovina 0 .00 2. 19 2.86 0 .01 0. 93 3.71 <br />Subtotal 0 .14 8. 58 6.72 10 .89 11. 14 13.19 <br />ANNUAL GRASSES <br />Bromus tectorum 0 .00 0. 01 0.00 0 .00 0. 00 0.00 <br />Subtotal 0 .00 0. 01 0.00 0 .00 0. 00 0.00 <br />PERENNIAL FORBS <br />Achilles lanulosa 0 .14 0. 01 0.01 0 .00 0. 00 0.00 <br />Antra galas ci cer 0 .00 0. 01 0.00 0 .00 0. 00 0.00 <br />Antra galas cra ssica rpus 0 .00 0. 00 0.00 0 .00 0. 00 0.01 <br />Antra galas kentrophyta 0 .00 0. 00 0.00 0 .00 0. 00 0.01 <br />Penstemon stri ctus 0 .00 0. 01 0.01 0 .01 0. 01 0.01 <br />Subtotal 0 .14 0. 03 0.02 0 .01 0. 01 0.03 <br />-12- <br />