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REP50946
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REP50946
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Entry Properties
Last modified
8/25/2016 12:55:48 AM
Creation date
11/27/2007 12:58:35 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Report
Doc Date
3/29/2004
Doc Name
2003 Annual Reclamation Report
From
SCC
To
DMG
Permit Index Doc Type
Annual Reclamation Report
Media Type
D
Archive
No
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• Demonstration Plots at Seneca I[ Mine <br />PIo1 I. I S cm topsoil. <br />,7 Surfaca manipulation. Tubelings. <br />i i <br />`~ 7 Plot 2. SD cm topsoil. <br />~ Surface mnnipulatimt. Tubelings. <br />7 <br />2 ~ Pbt 3. 30 cm topsoil. <br />Seeded. <br />__ i <br />CG°ce Plet ~. Non-lapsoilzA. <br />Surrace manipulation. Tubelings. <br />Plot 5. I5 cm topsoil. <br />Secdcd. <br />~. \ PIN 6. Non-mpsoiled. <br />. ~~~7 Seeded. <br />~ Photo poiN <br />Figure 3. Shrub establishment demonstration plots at Seneca II mine. <br />Results from the vegetation sampling indicate that most of the seeded species at Trapper <br />Mine have not yet established (Table 1). Most of the vegetative cover in demonstration plots at <br />Trapper was attributed to Russian thistle (Table 1), an annual invasive species. Plant cover was <br />higher in the deeper-topsoiled treatments and was similar between fenced and unfenced <br />treatments. Few shrubs were found in the shrub density and height surveys (Table 2). Drought <br />conditions after both the spring 2001 and fall 2001 seeding operations may have contributed to <br />the lack of establishment. <br />Results from Colowyo mine indicate that the autumn 2000 seeding operation was <br />successful as most of the seeded species were present on the plots in 2003 (Table 3). Lewis flax, <br />a seeded species has established in neazly all plots and continues to do particularly well in the 15 <br />cm topsoil plus surface manipulation treatment. The remaining seeded forb species aze also well <br />established. The weedy invasive species Russian thistle is also well established but is unlikely to <br />be a persistent problem. Shrub species continue to establish well in the plots at Colowyo (Table <br />4). Mountain big sagebrush appears to have established well in most plots relative to other shrub <br />species. <br />The fall 2000 seeding at the Seneca II mine appears to have been somewhat successful. <br />Many of the seeded species were encountered in some of the plots at Seneca II in 2003 (Table 5). <br />. Invasive weeds such as Russian thistle, yellow sweet clover and Japanese brome continue to <br />dominate most plots at Seneca II. Russian thistle and yellow sweet clover are not likely to be a <br />
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