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1 <br />for Permit No. 79-177 and in a response to Special <br />Stipulation Number 9 and 11, submitted August 9, <br />1980, to Mr. Fred R. Banta, MLRD, and Mr. Donald <br />A. Crane, OS M, with the exception of the woody <br />plant density parameter which was not required at <br />the time that these data were submitted. <br />' Data on woody plant density were statisti- <br /> cally analyzed and are Summarized in attached Table <br /> 14a. Review of these data reveals that there are <br /> significant differences in shrub densities between <br /> th <br />i <br />d bi <br />b <br />h <br />t <br />ti <br /> e prem <br />ne aspen an <br />g sage <br />rus <br />vege <br />on <br />a <br />' types and their respective reference areas. Shrub <br /> density in the aspen premine area is 4.6 stems <br />' per square meter (mz) of which 598 are snowberry, <br /> the dominant woody plant species. The aspen re- <br />t Terence area supports 2.7 stems per mz of which <br />' 588 are snowberry. In the big sagebrush vegeta- <br /> tion type there are 2.6 shrubs per m2 in the pre- <br />' mine area and 4.1 shrubs per mz in the reference <br /> area. Even though the woody plant density in <br /> these two vegetation types shows a statistical <br />' difference between their respective reference <br /> areas, the remaining reference area parameters of <br />' cover and production, which will be used as re- <br /> vegetation success standards, are not significant- <br />' ly different. <br />-11- <br /> <br />