Laserfiche WebLink
<br /> <br />Table 14. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA SEEDED IN 1984. WALDEN COAL <br />PROJECT SITE. BASED ON DATA COLLECTED BETWEEN 1989 AND 1997. MEAN COVER VALUES IN PERCENT. <br />w <br />r <br />Year 1989 1990 1991 1992 1993 1994 1995 1996 1997 <br />Sample Size 6 6 6 6 6 6 6 6 15 <br /> <br />COOL SEASON PERENNIAL GRASSES <br />Agropyron dasystachyum 9.33 9.67 6.00 8.33 11.33 4.67 4.00 5.33 6.20 <br />Agropyron smithtt 1.00 0.67 <0.01 0.00 1.67 0.00 0.00 0.67 0.07 <br />Agropyron spicatum 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <br />Deschampsia caespitosa 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <br />Festuca idahoensis 0.00 0.00 0.00 0.00 <0.01 0.00 0.00 0.33 0.02 <br />Nordeum brachyantherum 0.00 0.33 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <br />Koeleria macrantha 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 0.00 <br />Oryropsis hymenoides 0.00 <0.01 0.00 <0.01 <0.01 0.00 0.00 0.00 0.00 <br />Poa ampla 2.33 0.00 0.00 0.00 0.00 <0.01 0.00 0.00 0.00 <br />Poa sandbergif 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 <br />Stipa tomato 0.00 0.00 0.00 0.33 0.00 0.00 <0.01 0.00 0.00 <br />Stipa viridula 6.00 3.33 <0.0I 4.33 0.67 3.00 2.33 0.67 1.33 <br />Subtotal 18.67 14.03 6.02 13.01 13.69 7.67 6.34 7.00 7.80 <br /> <br />INTRODUCED PERENNIAL GRASSES <br />Agropyron cristatum 0.00 0.00 0.00 <0.01 0.00 0.00 0.00 <0.01 <0.01 <br />Agropyron intermedium 0.00 0.00 0.00 0.33 <O.OI 0.67 <0.01 0.00 <0.01 <br />Bromus inermis 0.00 0.00 0.00 <0.01 0.00 0.00 <0.01 <O.OI <0.01 <br />Elymus junceus 0.33 1.67 0.33 1.67 1.00 2.67 2.33 1.00 4.00 <br />Festuca ovina 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.20 <br />Poa pratensis 0.00 0.33 <0.01 0.00 <0.01 <0.01 0.00 0.00 0.07 <br />Subtotal 0.33 2.00 0.34 2.02 1.02 3.34 2.35 1.02 4.27 <br /> <br />