REP08084

• Permit No: C1994082
• IBM Index Class Name: Report
• Doc Date: 4/2/2007
• Doc Name: 2006 Revegetation Monitoring Report
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Reveg Monitoring Report
• Media Type: D
• Archive: No

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Table 1. Cover Data - Phase II Bond Release Area, Yoast Mine, SCC, Roull Co., CO-2006
PLANT SPECIES
RELATIVE
AVERAGE VEGETATION
COVER FREQUENCY COVER

RELATIVE
AVERAGE VEGETATION
COVER-ALL COVER-ALL
(%) (%)
NATIVE PERENNIAL GRASSES (cool)
Bromelica bulbosa 0.00 5.00 0.00 0.00 0.00
Caret geyed 0.00 5.00 0.00 0.00 0.00
CeratcUloa cadnata 4.25 100.00 12.43 4.25 12.25
Cntesion jubatum 0.05 30.00 0.15 0.05 0.14
Etymus glaucus 0.65 SO.OD 1.90 0.65 7.87
Etymus lanceolatus fm. albicans 0.00 5.00 0.00 0.00 0.00
Etymus lanceolatus fln. tlasystachya 0.80 80.00 2.83 0.90 2.59
Elymus longitolius 0.00 70.00 0.00 0.00 0.00
Etymus bachycaulus - 3.10 95.00 9.06 3.75 9.08
Festuca brachyphylia ssp. coloradensis 0.45 65.00 1.32 0.45 1.30
Festuca minu0flora 0.00 20.00 0.00 0.00 0.00
Leymus cinereus 1.00 80.00 2.92 1.00 2.88
Nassella vindula 0.05 - 45.00 0.75 0.05 0.14
Paswpyrum smithii 2.65 85.00 7.75 2.70 7.78
Poa agassizensis 0.95 75.00 2.78 0.95 2.74
Poa ample 0.40 80.00 1.17 0.40 1.15
Poa cempressa 0.75 75.00 2.19 0.75 2.16
Poa palustns , 0.00 20.00 0.00 0.00 0.00
Pseudoroegneria spiwta ssp. inertnis 0.10 40.00 0.29 0.10 0.28
Pseutloroegnena spicata ssp. spicata 0.15 80.00 0.44 0.15 0.43
TOTAL NATIVE PERENNIAL GRASSES (c) 75.5 700.0 45.2 15.6 44.8
INTRODUCED PERENNIAL GRASSES (cool)
Agropyron desertorum 0.00 10.00 0.00 0.00 0.00
Agrosds gigantea 0.05 10.00 0.15 0.05 0.14
Bromopsis inertnis 0.05 75.00 0.75 0.05 0.74
6romopsis dpanus 0.00 5.00 0.00 0.00 0.00
Dactylis glomerate 3.55 80.00 10.38 3.70 10.66
Elyldgia repens 0.00 5.00 0.00 0.00 0.00
Phleum pretense 0.45 35.00 1.32 0.45 1.30
Thinopyrum intermedium 0.00 5.00 0.00 0.00 0.00
TOTAL INTRO. PERENNIAL GRASSES (c) 4.7 95.0 12.0 4.3 12.2
NATIVE SHRUBS
Amelanchier alnitolia 0.00 10.00 0.00 0.00 0.00
Cercocarpus ledifolius 0.00 5.00 0.00 0.00 0.00
Chrysomamnus viscidifloNS 0.00 5.00 0.00 0.00 0.00
Patlus virginiana ssp. melanowrpa 0.00 5.00 0.00 0.00 0.00
Purshia tridentate 0.00 75.00 0.00 0.00 0.00
Querws gambelii 0.00 5.00 0.00 0.00 0.00
Rosa sayi 0.00 5.00 0.00 0.00 0.00
Sedphidium tddentatum 0.10 55.00 0.29 0.70 0.29
NATIVE SHRUBS (cont.)
Symphodwrpos rotundifolius 0.15 35.00 0.44 0.20 0.58
TOTAL NATIVE SHRUBS 0.3 75.0 0.7 0.3 0.9
BRYOPHYTES
Moss 0.05 20.00 0.75 0.05 0.74
TOTAL BRVOPHYTES 0.1 20.0 0.1 0.1 0.7
Scantling dead 3.30 95.00 3.30
Litter 31.35 100.00 37.35
Bare soil 29.50 100.00 29.50
Rock 1.65 70.00 ~ 7.65
TOTALS 100.0 100.5
TOTAL VEGETATION COVER 34.2 (s=8.7) 100.0 34.7 (s=7.2) 100.0
GROUND COVER (Litter+ROCk•Veg+St.Dead) 70.5
SPECIES DENSITY (# of spades/100 sq.m.)
(AVERAGE=32.7 Std.Dev= 3.5)
71.0
Pege 2 of 6
P = Present vrithin 1 m. on either side of the rover transact but not quantitativety enwuntered.