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REP06111
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Entry Properties
Last modified
8/24/2016 11:36:44 PM
Creation date
11/26/2007 11:15:43 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Report
Doc Date
3/29/2002
Doc Name
2001 Revegetation Monitoring Report
From
Seneca Coal Company
To
DMG
Permit Index Doc Type
Reveg Monitoring Report
Media Type
D
Archive
No
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<br />Seneca II-W 2001 <br />Phase III Herbaceous Production Standard <br />Vegetation Tvoe Mean Herbaceous Production (Ib/ac) % of Aff Area <br />Sagebrush/Snowberrye 1453 38.0 <br />Mountain Brush° 1488 37.3 <br />Aspen Woodlands 1870 7.0 <br />Steep Mountain Brush° 748 13.9 <br />Alkali Sage/West Whtgrs. ° 1,411 3.8 <br />1995 Reclamation Area 2132 NA <br />1997 Reclamation Area 1999 NA <br />1999 Reclamation Area 1583 NA <br />Herbaceous production performance standard (weighted by percent of affected area) = 1396 Ib/ac. <br />90 percent of performance standard = 0.9 x 1396 = 1256 Ib/ac <br />a Seneca II-W exended reference area values from data collected in 2001 <br />° Seneca II-WS extended reference area values from data collected in 1997 <br /> <br />As can be seen, the observed herbaceous production in the 1995 and 1997 reclaimed <br />areas exceeded the production standard. The listed reclaimed area production figures <br />are not corrected as they would need to be in actual Phase III bond release testing for <br />the presence of annual /biennial species. Judging from the cover results discussed <br />above, the 1995 production figures would need to be revised downward for excess <br />annual/biennial production, but would still easily exceed the standard. Based on cover <br />data, the 1997 data would need no revision. The 1999 production data would clearly <br />need a fairly large revision downward to exclude the excessive amount of annual / <br />biennial growth that is natural at this young stage of development. As a consequence, <br />the 1999 reclaimed areas would certainly fall short of the Phase I I standard, but, then, <br />they are not even eligible for testing for another seven years. <br />Far the reclaimed areas beyond infancy, the levels of herbaceous production are well <br />positioned to meet Phase III standards. <br />Woody Plant Density <br />For the areas sampled in 2001, woody plant density varied from 32 to 190 stems per <br />acre. These numbers are substantially below the current standard of 1000 stems per <br />
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