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Absolute Noxious Cover <br />Relative Noxious Cover <br />Absolute Grass Cover <br />Relatvie Grass Cover <br />Absolute Forb Cover <br />Relative Forb Cover <br />Sutey Reference Area #1 <br />Absolute and Relative Cover Sample Means; 1998 -2001 <br />1998 1999 2000 2001 <br />6.7% 8.7% 6.7% 2.2% <br />15.3% 24.8% 16.1% 5.8% <br />5.7% 10.8% 25.9% 30.7% <br />13.0% 30.9% 61.7% 82.5% <br />31.2% 15.1% 8.7% 4.3% <br />71.1% 43.3% 20.7% 11.7% <br />Total Vegetation Cover 43.9% 34.8% 42.0% 37.2% <br />*Reduction in noxious weed cover between 1998 and <br />2001 is significant at the 90% level of statistical confidence <br />50.0% <br />40.0% <br />30.0% <br />20.0% <br />10.0% <br />0.0% <br />Figure 1 Sutey Reference Area #1 - Absolute Cover <br />Trends; 1998 -2001 <br />X 0 0 <br />� <br />0 0c'0 00 0 00 ►\ -- -Total Vegetation <br />�, r l, Cover <br />Year <br />- Absolute Noxious <br />Cover <br />- Absolute Grass <br />Cover <br />- Absolute Forb <br />Cover <br />Total Vegetation cover has remained relatively <br />stable from 1998 to 2001, while grass cover has <br />risen dramatically and cover of non - noxious forbs <br />has markedly declined. Cover of target noxious <br />species has also declined. <br />