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alpha = 0,10} with infinite degrees of freedom ?t =1.45}
<br />d = desired level of reduction about the sample mean ?0.10?
<br />x = sample mean
<br />In all cases, sampling Was continued until the minimum sample adequacy requirements were met or
<br />exceeded.
<br />Results
<br />Area ?. A
<br />x.999 -Area 1 A had 3 8 percent bare ground,l o percent litter, ? percent rock fragments, 3 percent annual
<br />grasses, 3 percent annual forts, 27 percent perennial. grasses,l percent perennial forts, and 7 percent
<br />perennial shrubs for a total of 35 percent perennial live vegetation. Area 1 A also had 0.8 percent noxious
<br />andlor restricted weeds.
<br />2?0? -Area 1 A had 3 8 percent bare ground, Z 1 percent litter, 11 percent rock fragments,. ? percent
<br />annual forbs,l? percent perennial grasses, ?1 percent perennial fortis, and 7 percent perennial shrubs for
<br />a total of 23 percent perennial live vegetation.
<br />Area 1 B
<br />1999 -Area 1 B had 4? percent bare ground, ? percent litter, 8 percent?rock fragments, 3 percent annual
<br />grasses, 6 percent annual farbs,l9 percent perennial grasses, 2 percent perennial fortis, and ? percent
<br />perennial shrubs for a total of Z7 percent perennial live vegetation. Area 1 ? also had 1 percent noxious
<br />andlor restricted weeds.
<br />2?U? -Area 1 ? had 4? percent bare ground, 21 percent litter, 4 percent rock fragments, 3 percent annual
<br />grasses, 3 percent annual forbs, 27 percent perennial grasses, l percent perennial forbs, and 7 percent
<br />perennial shrubs for a total of 11 percent perennial grasses, 1 percent perennial forbs, and 1o percent
<br />. ? perennial shrubs for a total of ?? percent pefennial live vegetation. Area 1 B also had 1 percent noxious
<br />andlor restricted weeds.
<br />Dryland Pasture Reference Areas
<br />1999 -Dryland pasture reference area had 46 percent bare ground, 22 percent litter, 7 percent rock
<br />fragments, ?3 percent perennial grasses, trace percent perennial forbs, and 1 percent perennial shrubs for
<br />a total of ?5 percent perennial live vegetation. This Area was also sampled far cover using the same
<br />methodology in July 1999. The results were 51 percent bare ground, 21 percent litter, 3 percent rock
<br />fragments, trace percent annual grasses, 2? percent perennial grasses, and 1 percent perennial shrubs for
<br />a total of ?4 percent perennial live vegetation.
<br />21}0 -Dryland pasture reference area had ?? percent bare ground, 32 percent litter, ? percent rack
<br />fragments, c1 percent annual grasses, 3 percent annual forbs, 1o percent perennial grasses, ? percent
<br />perennial forbs or succulents, and 3 percent perennial shrubs for a total of 1$ percent perennial live
<br />vegetation.
<br />Area 3
<br />1999 -Area 3 was mowed and baled by Stan Garvey on June 5, 1999. Stan harvested 12 bales. He
<br />indicated the average bale weight was approximately 1800 lbs. The field observer noted that a ditch
<br />adjacent to the pasture had not been mowed along with the corners. The area is b.?9 acres. It was
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