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2008-03-27_REPORT - C1980005 (3)
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2008-03-27_REPORT - C1980005 (3)
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Last modified
8/24/2016 3:26:15 PM
Creation date
3/31/2008 2:08:09 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980005
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
SB1
Media Type
D
Archive
No
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Where <br />c = the smaller of the paired species density values (for each lifeform) of the reclaimed <br />and reference areas'' <br />a =total of species density values for lifeforms of the reclaimed areas <br />b = tot~~l of species density values for the lifeforms of the reference area` <br />* 'Weighted average lifeform species density using the Seneca II Reference Areas (weighted <br />based on 83% original extent of Mountain Brush /Aspen and 17% original extent of Sagebrush). <br />Only species density by vascular plants are included. Lifeforms used include: <br />Annual/biennial forbs <br />Perennial forbs <br />Perennial cool season grasses <br />Shrubs <br />If the index of similarity between the species density within the specified lifeforms of the reclaimed <br />and reference ~creas exceeds 63%, then Test C is passed. <br />Alternative Teat D): Assessment of the Presence of Native Species <br />The third alternative assessment of the species diversity of reclaimed lands makes direct <br />reference to the' presence of native western North American plant species in reclaimed areas. <br />Total cumulative # of native species* _> avg. reference area native species density (# <br />species / 100 ;:q.m.) <br />*in the adequate sample of the reclaimed area and including alfalfa and / or cicer <br />milkvetch which have often been included in seed mixes as nitrogen -fixers in light of the lack of <br />suitable and available native nitrogen-fixers. <br />If the total cumulative number of native species in the reclamation sampling exceeds the average <br />number of native species per 100 sq.m. in the weighted average of the reference area sampling, <br />then Test D is Massed. <br />Climatic Date <br />SCC provided precipitation data for the Seneca II Mine for the period of January 1982 through <br />October 2007. Since the long-term average for the mine exists for only 25 years, the long-term <br />average monthly precipitation data from the Western Regional Climate Center (WRCC) for the <br />7 <br />
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