2008-03-27_REPORT - C1980005 ‎(3)‎

• 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

Table 9. Cover Data -Sage Brush Reference Area, Seneca II Mine, SCC, Routt Co., CO - 2007 Page 2 of 4
RELATIVE RELATIVE
PLANT SPECIES AVERAGE VEGETATION AVERAGE VEGETATION
COVER FREQUENCY COVER COVER-ALL COVER-ALL
•
•
NATIVE PERENNIAL GRASSES (cool)
Achnatherum lettermanii 0.50 50.00 0.79 0.60 0.83
Bromelica bulbosa 1.20 90.00 1.90 1.40 1.95
Bromelica spectabilis 0.20 40.00 0.32 0.20 0.28
Carex geyeri 0.10 20.00 0.16 0.10 0.14
Ceratochloa polyantha 0.00 50.00 0.00 0.10 0.14
Elymus elymoides 0.00 10.00 0.00 0.00 0.00
Elymus lanceolatus fm. albic;ans 0.90 80.00 1.42 0.90 1.25
Elymus macounii 0.10 10.00 0.16 0.10 0.14
Elymus trachycaulus 2.80 100.00 4.42 3.00 4.17
Festuca arizonica 0.00 10.00 0.00 0.00 0.00
Festuca saximontana 12.50 100.00 19.75 14.20 19.75
Koeleria macrantha 0.00 20.00 0.00 0.00 0.00
Pascopyrum smithii 0.10 10.00 0.16 0.10 0.14
Poa agassizensis 5.40 100.00 8.53 6.20 8.62
Poa ampla 0.30 60.00 0.47 0.40 0.56
Poa compressa 0.00 20.00 0.00 0.00 0.00
TOTAL NATIVE PERENNIAL GRASSES (c) 24.1 100.0 38.1 27.3 38.0
INTRODUCED PERENNIAL. GRASSES (cool)
Bromopsis inermis 1.30 90.00 2.05 1.30 1.81
Phleum pratense 0.10 50.00 0.16 0.10 0.14
Thinopyrum intermedium 0.00 20.00 0.00 0.00 0.00
TOTAL INTRO. PERENNIAIL GRASSES (c) 1.4 90.0 2.2 1.4 1.9
NATIVE SHRUBS
Amelanchier alnifolia 0.40 90.00 0.63 0.40 0.56
Chrysothamnus viscidiflorus 1.60 100.00 2.53 1.70 2.36
Seriphidium arbusculum ssp. longilobum 0.50 30.00 0.79 0.60 0.83
Seriphidium canum 0.10 10.00 0.16 0.10 0.14
Seriphidium tridentatum 11.80 100.00 18.64 12.20 16.97
Seriphidium tripartitum 0.00 10.00 0.00 0.00 0.00
Symphoricarpos rotundifolius 8.90 100.00 14.06 9.80 13.63
TOTAL NATIVE SHRUBS 23.3 100.0 36.8 24.8 34.5
BRYOPHYTES
Moss 0.10 60.00 0.16 0.10 0.14
TOTAL BRYOPHYTES 0.1 60.0 0.2 0.1 0.1
Standing dead 5.20 100.00 5.20
Litter 15.70 100.00 15.70
Bare soil 15.80 100.00 15.80
TOTALS 100.0 108.6
TOTAL VEGETATION COVER 63.3 (s=6.4) 100.0 71.9 (s=7.5) 100.0
GROUND COVER (Litter+Rock+Veg+St.Dead) 84.2 92.8
SPECIES DENSITY (# of sK~ecies/100 sq.m.)
(AVERAGE= 33.9 Std.Dev.= 4.8)
'P=Present within 1 m. on either side of cover transect, but not quantitatively encountered.
()=Data in parentheses represent other hits that are used in conjunction with first hits for cover all statistics.