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1999 Noxious Weed Density Summary* <br /> Sutey Reference Area#2 <br /> Transect #Thistles/sq.m. #Houndstong_e/sq.m. Total/N.m. <br /> 1 1.7 2.8 4.5 <br /> 2 2.0 3.2 5.2 <br /> 3 3.0 1.8 4.9 <br /> 4 2.8 2.2 4.9 <br /> 5 3.6 1.2 4.8 <br /> Thistle sample mean=2.6 plants per square meter <br /> Houndstongue sample mean=2.2 plants per square meter <br /> Noxious total=4.9 plants per square meter <br /> 1998/1999 Density Comparison(thistle species and houndstongue combined) <br /> 1998 Data <br /> Sample mean.....................10.3 plants per square meter <br /> True mean.........................6.2<U<14.4;991/o C.I. <br /> 1999 Data <br /> Sample mean......................4.9 plants per square meter <br /> True mean..........................4.4<U<5.4;99%C.I. <br /> Density of noxious species decreased between years,and the difference was statistically significant at the <br /> 99%level of statistical confidence(alpha= .01;2 tail,4dj). <br /> *Thistle species present were plumeless thistle and Canada thistle primarily,with scattered musk thistle. <br /> Oxeye daisy was present,but was a very minor component of the stand. <br /> densumr2.mcr <br />