REP45303

• Permit No: C1982057
• IBM Index Class Name: Report
• Doc Date: 3/31/2005
• Doc Name: 2004 Revegation Monitoring Report
• From: Seneca Coal Company
• To: DMG
• Permit Index Doc Type: Reveg Monitoring Report
• Media Type: D
• Archive: No

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Table 7. Cover Data -Aspen Extended Reference Area, Seneca IIW Mine, SCC, Routt Co., CO - 2004
PLANT SPECIES
RELATIVE
AVERAGE VEGETATION
COVER FREQUENCY COVER
Page 2 of 4
RELATIVE
AVERAGE VEGETATION
COVER-ALL COVER-ALL
(%) (%)
NATIVE PERENNIAL FORBS (coot)
Valerians occidentalis 0.30 60.00 0.32 1.40 0.98
Vicia americans 0.00 70.00
~ 0.00 0.20 0.14
Viola sp 0.80 100.00 0.86 2.40 1.68
TOTAL NATIVE PERENNIAL FORBS 18.6 100.0 20.1 41.6 29.2
INTRODUCED PERENNIAL FORBS
Breea arvensis 0.80 60.00 0.86 1.40 0.98
Taraxacum offlcinale D.00 60.00 0.00 0.40 0.28
TOTAL INTRO. PERENNIAL FORBS 0.8 90.0 0.9 1.8 1.3
NATIVE PERENNIAL GRASSES (cool)
Achnatherum nelsonii 0.00 10.00 0.00 0.00 0.00
Bromelica bulbosa 0.00 20.00 0.00 0.00 0.00
Bromopsis canadensis 2.30 100.00 2.49 5.00 3.51
Caret geyeri 0.10 60.00 0.11 0.30 0.21
Elymus glaucus 3.00 100.00 3.24 9.00 6.32
Elymus trachycaulus 0.70 50.00 0.76 1.50 1.05 -
Poa agassizensis 0.80 90.00 0.86 1.50 1.05
Poa compressa 0.00 10.00 0.00 0.00 0.00
TOTAL NATIVE PERENNIAL GRASSES (c) 6.9 100.0 7.5 17.3 12.1
INTRODUCED PERENNIAL GRASSES (cool)
Agrostis gigantea 0.20 70.00 0.22 0.20 0.14
Phleum ratense 0.00 40.00 0.00 0.00 0.00
TOTAL INTRO. PERENNIAL GRASSES (c) 0.2 80.0 0.2 0.2 0.1
NATIVE PERENNIAL GRASSES (warm)
Panicum vir alum 0.10 10.00 0.11 0.20 0.14
TOTALNATIVE PERENNIAL GRASSES (w) 0.1 10.0 0.1 0.2 0.1
NATIVE SHRUBS
Acer glabrum 0.50 40.00 0.54 0.50 0.35
Amelanchier alnifolia 7.70 90.00 8.32 10.80 7.58
Padus virginiana ssp. melanocarpa 4.50 60.00 4.86 6.90 4.84
Quercus gambelii 0.20 30.00 0.22 0.30 0.21
Ribes lacustre 0.30 70.00 0.32 0.90 0.63
Rosa woodsii 0.10 50.00 0.11 0.20 0.14
Rubacer parviflorum 0.00 10.00 0.00 0.00 0.00
Sambucus microbotrys 0.00 10.00 0.00 0.10 0.07
S m horicarpos rotundifolius 8.00 100.00 8.65 14.70 10.32
TOTAL NATIVE SHRUBS 21.3 100.0 23.0 34.4 24.1
NATIVE TREES
Po ulus tremuloides 43.50 100.00 47.03 43.50 30.53
TOTAL NATIVE TREES ~ 43.5 100.0 47.0 43.5 30.5
MUSHROOMS - - ,
Fun us 0.00 30.00 0.00 0.00 0.00
TOTAL MUSHROOMS 0.0 30.0 0.0 0.0 0.0
Standing dead 0.70 60.00 0.70
Litter 3.00 100.00 3.00
Bare soil 3.70 100.00 3.7D
Rock 0.10 10.00 0.10
TOTALS 100.0 150.0
TOTAL VEGETATION COVER 2.5 (s=3.7) 100.0 142.5 (s=17.1) 100.0
GROUND COVER (Litter+Rock+Veg+St.Dead) 96.3 146.3
SPECIES DENSITY (# of species/100 sq.m.)
(AVERAGE= 39.5 Std.Dev:= 6.0)
•P= Present within 1 m. of either side of the cover transect, but not quantitatively encountered.