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GENERAL33208
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Last modified
8/24/2016 7:55:19 PM
Creation date
11/23/2007 7:34:16 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981017
IBM Index Class Name
General Documents
Doc Date
3/15/2002
Doc Name
Coal Basin Mine Noxious Weed Control Project Partners & Participants
From
Steve Renner & Dan Mathews
To
DMG
Permit Index Doc Type
Vegetation
Media Type
D
Archive
No
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Sutey Reference Area #1 <br />Absolute and Relative Cover Sample Means: 1998-2001 <br /> 1998 1999 2000 2001 <br />Absolute Noxious Cover 6.7% 8.7% 6.7% 2.2% <br />Relative Noxious Cover 15.3% 24.8% 16.1% 5.8% <br />Absolute Grass Cover 5.7% 10.8% 25.9% 30.7% <br />Relatvie Grass Cover 13.0% 30.9% 61.7% 82.5% <br />Absolute Forb Cover 31.2% 15.1% 8.7% 4.3% <br />Relative Forb Cover 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 />Figure 1 Sutey Reference Area #1 -Absolute Cover <br />Trends; 1998-2001 <br />y 50.0% <br />v 40.0% -~- ~ _ _ - ~-- -Absolute Noxious <br />;: 30.0% I ... - ~ Cover <br />~ ~ ~ -Absolute Grass <br />0 20.0% <br />a 10.0% _ _ ~ Cover <br />~"`~ I -Absolute Forb <br />0 0.0%, __ ..- -- -- ---- -- - Cover <br />^~~0^~~0 OHO o~~ -Total Vegetation <br />~L ~L Cover <br />Year <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 fortis <br />has markedly declined. Cover of target noxious <br />species has also declined. <br />TABLE 2 <br />
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