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<br />Year <br />Perennial Grass <br />Perennial Forbs <br />Shrubs <br />N Weeds <br />Annual Grass <br />Litter & Mulch <br />Rock <br />Bare <br />Moss/Lichen <br />Table 5-4 <br />Topsoil Embankment Percent Cover <br />Random Plots <br />00-01 <br />1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 % CI <br />1% <br />-7% <br />2% <br />0% <br />1% <br />3% <br />-1% <br />1% <br />1% <br />41 41 42 42 38 50 52 46 41 42 <br />22 26 15 21 9 17 13 15 12 5 <br />3 1 4 5 4 3 3 3 4 6 <br />9 4 1 1 1 1 <1 1 1 <1 <br /><1 0 2 5 10 3 6 6 4 5 <br />4 1 14 5 14 9 4 9 10 13 <br />2 8 4 4 3 3 5 5 7 6 <br />48 7 18 17 21 14 17 14 21 22 <br />*** +** +** **+ *** **+ *** *++ *** 1 <br />