Laserfiche WebLink
1 <br />t <br />1 <br />1 <br />I <br />1 <br />1 <br />1 <br />1 <br />Table 6. TRENDS IN MEAN COVER FOR THE RECLAIMED AREA AT THE WALDEN <br />COAL PROJECT SITE. BASED ON DATA COLLECTED BETWEEN 1989 AND <br />1994. MEAN COVER VALUES IN PERCENT. <br />Year <br />Species 1989 1990 1991 1992 1993 1999 <br />Sample Size 20 <br />COOL SEASON PERENNIAL. GRASSES <br />Agropyron dasysta chyum 7. 40 <br />Agros tic sca bra 0. 00 <br />Agropyron smi thii 1. 90 <br />Agropyron spi ca tum 0. 00 <br />Agropyron tra chyca ul um 0. 00 <br />Cera tochloa margins to 0. 00 <br />Deschampsia ca espitosa 0. 00 <br />Festuca idahoensis 0. 00 <br />Hordeum bra chyantherum 0. 00 <br />Hordeum jubatum 0. 00 <br />Koeleria macran tha 0. 00 <br />Oryzopsis hymenoides 0. 00 <br />Poa ampla 0. 70 <br />Stipa coma to 0. 00 <br />Stipa vi ri dula 2. 10 <br />Subtotal 12. 10 <br />INTRODUCED PERENNIAL GRASSES <br />Agropyron cristatum 0. 00 <br />Agropyron intermedi um 0. 00 <br />Alopecurus pra tensis 0. 00 <br />Bromus inermis 0. 00 <br />Elymus junceus 0. 20 <br />Festuca ovina 0. 00 <br />Poa pra tensis 0. 00 <br />Subtotal 0. 20 <br />ANNUAL GRASSES <br />Bromus tectorum 0 .00 <br />Subtotal 0 .00 <br />PERENNIAL FORBS <br />Achill ea lanulosa 0 .10 <br />Arabic sp. 0 .00 <br />Antra galus ci cer 0 .00 <br />Antra galus transits rpus 0 .00 <br />Antra gal us kentzophyta 0 .00 <br />20 20 20 20 20 <br />15.20 8. 70 15.40 17.40 10. 50 <br />0.01 0. 00 0.00 0.00 0. 00 <br />2.70 1. 10 0.40 0.90 0. 40 <br />0.01 0. 01 0.01 0.01 0. 01 <br />0.00 0. 00 0.10 0.00 0. 00 <br />0.00 0. 00 0.00 0.00 0. 01 <br />0.01 0. 00 0.00 0.00 0. 00 <br />0.00 0. 00 0.00 0.80 0. 00 <br />0.10 0. 00 0.00 0.00 0. 00 <br />0.01 0. 01 0.01 0.00 0. 00 <br />0.00 0 .00 0.00 0.01 0. 00 <br />0.01 0 .01 0.01 0.01 0. 10 <br />0.00 0 .00 0.00 0.10 0. 01 <br />0.00 0 .00 0.10 0.00 0. 00 <br />1.00 0 .01 1.30 0.20 0. 90 <br />19.05 9 .84 17.33 19.93 11. 93 <br />0.01 0 .00 0.01 0.10 0. 01 <br />0.00 0 .00 0.10 0.01 0. 20 <br />2.10 0 .01 0.90 0.70 0. 50 <br />0.00 0 .00 0.01 0.00 0. 00 <br />2.90 2 .80 7.20 6.95 6. 90 <br />1.50 2 .00 0.01 0.30 2. 60 <br />0.10 0 .01 0.00 0.01 0. 01 <br />6.61 9 .82 8.23 8.07 10. 22 <br />0.01 0 .00 0.00 0.00 0 .00 <br />0.01 0 .00 0.00 0.00 0 .00 <br />0.01 0 .01 0.01 0.01 0 .01 <br />0.00 0 .00 0.00 0.01 0 .00 <br />0.10 0 .00 0.00 0.01 0 .00 <br />0.01 0 .00 0.00 0.00 0 .01 <br />0.00 0 .01 0.00 0.00 0 .01 <br />-16- <br />