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PERMFILE62258
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PERMFILE62258
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Last modified
8/24/2016 11:08:41 PM
Creation date
11/20/2007 7:29:23 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980001
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
Revegation Monitoring Report for Reclaimed Areas
Section_Exhibit Name
4.4 Appendix 4.4-2 Supplement
Media Type
D
Archive
No
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FACILITIES RECLAIMED AREA <br />• Plant Cover. The results obtained from the twenty cover transects evaluated in this reclaimed <br />area aze presented in Table 8, Facilities Reclaimed Area Plant Cover. Since these reclamation <br />area consists of various kinds of disturbance, ranging from major mine haul roads, minor access <br />roads, power line comdors and staging azea disturbance there is considerable variability in the <br />uniformity of vegetation established on these sites. In addition, it appeazs that the age of the <br />various reclamation seeding efforts vary, with there being considerable differences in the kinds <br />and types of reclamation practiced on these areas. For example, the revegetation efforts <br />associated with the power line corridor and various minor access roads, is often indistinguishable <br />from the revegetation efforts in the adjacent azeas, while the most recent revegetation efforts <br />associated with the North Haulroad, Lower Moffat Haulroad, North Haulroad and Powder <br />Magazine sites are very different than the previously described azeas. For example, in many <br />azeas, the portion of the power line corridor to the east of the North Haulroad, can be observed in <br />the field with great difficulty by textural changes in the vegetation and in some areas there is no <br />textural difference in the vegetation between this area and the ad}acent reclaimed azeas. <br />However, along the above mentioned haulroads, there aze very pronounced texttttal differences in <br />the vegetation between the revegetation azeas corresponding to these azeas and the adjacent older <br />reclaimed azeas. <br />Total plant cover on this area was found to average 32.40 percent while allowable plant cover <br />was found to average 28.79 percent. As can be observed from the cover values there was <br />considerable variability in the plant cover on the different sites samples, partially for the reasons <br />• outlined above. After the sampling of the twenty cover transects evaluated in this monitoring <br />effort, sample adequacy was determined to be 88.5 transects (Table 2, Edna Mine Sample <br />Adequacy Calculations). <br />The most dominate plant species growing on these sites was Smooth Bromegrass and <br />Intermediate Wheatgrass. Perennial grasses accounted for 68.18 percent of the total relative <br />cover found on these sites. Perennial forbs, chiefly Western Yarrow and Alfalfa, accounted for <br />19.10 percent of the total relative cover found on these sites. <br />SAGEBRUSH-SNOWBERRY REFERENCE AREA <br />Plant Cover. The results obtained from the 15 cover transects sampled at this site aze presented <br />in Table 9, Sagebrush-Snowbeny Reference Area Plant Cover. Examination of the data <br />collected indicate that a total of 46 different plant species were encountered in the sample of this <br />site, including 14 perennial grasses, 23 forbs and 9 different shrub species. Sample adequacy <br />was obtained with only 1.8 transects on this site (Table 2, Edna Mine Sample Adequacy <br />Calculations). <br />The dominate plants on this site were Mountain Big Sagebrush and Mountain Snowberry, which <br />contributed 19.24 and 19.04 percent, respectively, of the relative cover on this site (Table 9, <br />Sagebrush-Snowberry Reference Area). The dominate grass found in this azea was Kentucky <br />Bluegrass, which contributed 16.01 percent of the relative cover found on this site. Overall, this <br />• site had very little cover produced by annuals, biennials or noxious weeds, although they were <br />
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