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REP08362
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REP08362
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Entry Properties
Last modified
8/24/2016 11:38:16 PM
Creation date
11/26/2007 11:52:38 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981021
IBM Index Class Name
Report
Doc Name
EVALUATION OF REVEGETATION SUCCESS AT THE WALDEN COAL CO MINE SITE
Permit Index Doc Type
ANNUAL RECLAMATION REPORT
Media Type
D
Archive
No
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Ll <br />1 <br /> Cover in Percent <br />' 1984 Area 1988 Area Combined <br /> Total Vegetation Cover <br />Litter and Rock Combined 31.0 <br />45.7 +/- <br />+/- 2.76 <br />4.27 27.4 <br />49.9 +/- 7.17 <br />+/- 9.56 28.5 <br />48.6 +/- <br />+/- 6.32 <br />8.44 <br /> Bare Soil 23.3 +/- 3.93 22.7 +/-10.19 22.9 +/- 8.67 <br /> Total Ground Cover (Total <br /> Vegetation + Litter) 76.7 +/- 3.93 77.3 +/-10.19 77.1 +/- 8.67 <br /> <br />In 1994, the dominant species on the reclaimed areas were <br />' thickspike wheatgrass (Agropyron da systa chyum), Russian wildrye (EZymus <br />junceus), big sagebrush (Artemisia tri dentataJ and sheep fescue (Festuca <br />' ovina). For the combined data for the two reclaimed areas (Table 6), <br />' these four species accounted for 92.6 percent of the cover by all <br /> species. In all, 26 species were observed in the reclaimed areas. <br /> There are some differences between the areas reclaimed in 1984 and 1988. <br /> In the 1984 area, green needlegrass (Stipa viridula) and big sagebrush <br />t are more abundant than in the 1988 area <br />Russian wildr <br />e and thickspike <br /> . <br />y <br />' wheat grass are more abundant in the 1988 area than they are in the 1984 <br /> area. The greater abundance of big sagebrush in the 1984 area may be <br />' related to the differences in ages of the two areas, however the cover <br /> data collected aver the past six years suggests that big sagebrush is <br />' increasing in cover very slowly in the 1988 area. In 1994 <br />big <br /> , <br />' sagebrush was the major species in the area seeded in 1984 and accounted <br /> for 64.5 percent of the cover by all species in that area. Mean cover <br /> for big sagebrush increased from 8 percent in 1993 to 20 percent in <br /> 1994. While this difference may be related to slight differences in <br />' sample transect location, it is clear that, on the basis of general <br />1 <br />' -3- <br />
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