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2010-04-05_REPORT - C1994082
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2010-04-05_REPORT - C1994082
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Last modified
8/24/2016 4:03:20 PM
Creation date
4/5/2010 1:30:07 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
REPORT
Doc Date
4/5/2010
Doc Name
2009 Annual Revegetation Monitoring Report
From
Seneca Coal Company
To
DRMS
Permit Index Doc Type
Reveg Monitoring Report
Email Name
DTM
SB1
Media Type
D
Archive
No
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Total average production was 2225.1 Ibs per acre. <br />• Woody Plant Density <br />(Table 3) <br />Total average density of woody plants was 85.0 stems per acre, composed entirely of native <br />shrubs. Big sagebrush (Seriphidium tridentatum) and mountain snowberry (Symphoricarpos <br />rotundifolius) and were the only species contributing 76.9 and 8.1 stems per acre, respectively. <br />2005 RECLAIMED AREA <br />(Photographs 5-9) <br />Cover <br />(Table 4) <br />Introduced perennial forbs were the predominant lifeform in the 2005 Reclaimed Area, <br />contributing 23.8 percent all-hit cover. Of this, alfalfa contributed the most with 23.2 percent all-hit <br />cover. Native perennial cool season grasses were the second most abundant lifeform observed <br />contributing 18.5 percent all-hit cover. Within this group, slender wheatgrass (Elymus <br />trachycaulus), mountain brome (Ceratochloa polyantha), western wheatgrass, and thickspike <br />wheatgrass (Elymus lanceolatus fm. dasystachya) were most common, having 6.8, 5.3, 1.4 and <br />1.4 percent cover, respectively. Introduced annual and biennial fortis were the third most <br />abundant lifeform contributing 8.4 percent all-hit cover. Twolobe speedwell (Pocilla biloba) and <br />• prickly lettuce (Lactuca serriola) contributed 3.3 and 1.5 percent all-hit cover, respectively. <br />Total average vegetation cover, for first hits, was 59.2 percent. Total average vegetation cover, <br />for all hits, was 64.0 percent. Litter, bare soil, and rock each had 19.1, 20.7, and 1.0 percent <br />cover, respectively (first hits). Average species density was 30.7 species per 100 sq.m. <br />Production <br />(Table 5) <br />Total average production was 2139.5 Ibs per acre. <br />Woody Plant Density <br />(Table 6) <br />Total average density of woody plants was 1278.8 stems per acre, composed entirely of native <br />shrubs. Big sagebrush, mountain snowberry, and bitterbrush (Purshia tridentate) were the three <br />most abundant species present contributing 922.7, 279.24 and 60.7 stems per acre, respectively. <br />Saskatoon serviceberry (Amelanchier alnifolia) and chokecherry (Padus virginiana ssp. <br />melanocarpa) were also present each contributing 8.1 stems per acre. <br />U <br />7
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