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2008-03-27_REPORT - C1982057 (4)
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2008-03-27_REPORT - C1982057 (4)
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Last modified
8/24/2016 3:26:15 PM
Creation date
3/31/2008 2:13:16 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
REPORT
Doc Date
3/27/2008
Doc Name
2007 Revegetation Monitoring Report
From
Seneca Coal Company
To
DRMS
Permit Index Doc Type
Reveg Monitoring Report
Email Name
DTM
Media Type
D
Archive
No
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Shrub Concentration Area Sampling <br />• Several areas designated as shrub concentration areas were sampled in 2007. Results of the <br />sampling are compiled in Tables 18 through 25 of Appendix 3. <br />DISCUSSION <br />During the twelve months preceding July 2007 sampling, a dry winter and spring limited total <br />moisture input at the site (Figure 6b). Due to a very wet August, September, and October 2006, <br />the total for the 12 months preceding sampling (Figure 7b) is only slightly below average. But in <br />the context of the six orfour-months preceding sampling (Figures 8b and 9b, respectively) it is <br />clear that 2007 was one of the very driest in the past twenty years. Fortunately for the vegetation, <br />2007 was a near average year as regards temperature (Figure 10). <br />Cover <br />• <br /> <br />Observed cover values and derivation of the 2007 herbaceous cover standard are <br />compiled/documented in the table below: <br />Seneca IIW 2007 <br /> <br />Vegetation Type Mean <br />Cover* % of Affected <br />Aread <br />Sagebrush/Snowberry a 34.7 31.3 <br />Mountain Brush a 37.3 34.5 <br />Aspen Woodland a 62.3 11.0 <br />Steep Mountain Brush 18.5 12.8 <br />Alkali Sage./West. Whtgrs. 31.0 10.4 <br />2003 Reclamation Area 40.1 NA <br />2005 Reclamation Area 26.3 NA <br />"All-hit" ref. area cover standard for 2007 (Adj. Means weighted by % of Affected Area) = 36.2% <br />90 percent of 2007 ref. area cover standard = 0.9 x 36.2 = 32.6 <br />"Percent "all-hit" cover (absolute) by herbaceous species as corrected for "allowable" annual and <br />biennial cover (i.e. no more than 10 percent relative cover allowed, See CDMG 1995, 1.IV.A.). <br />Cover by noxious weed species, if any, also subtracted. <br />e Seneca IIW extended reference area values from data collected in 2007 <br />b Seneca IIW extended reference area values from data collected in 2006 <br />11 <br />
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