REP08362

• Permit No: C1981021
• IBM Index Class Name: Report
• Doc Name: EVALUATION OF REVEGETATION SUCCESS AT THE WALDEN COAL CO MINE SITE
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

Table 3. COVER, FREQUENCY AND IMPORTANCE VALUE SUMMARY FOR THE PORTION OF THE RECLAIMED AREA SEEDED IN
1988. WALDEN COAL PROJECT. BASED ON 1994 (AUGUST 3) DATA FROM FOURTEEN 25-METER POINT
TRANSECTS. +~- VALUES EQUAL THE STANDARD DEVIATION.
Mean Relative Range of Percent Relative Importance
Species Cover Cover Cover Values Frequency Frequency Value Rank
(~) ($) ($) ($) (e)
COOL SEASON PERENNIAL GRASSES
Agropyron dasysta chyum 13.00 47.38 8 - 22 100.00 29.79 77.17 1
Agropyron smithii 0.57 2.08 0 - 4 21.43 6.38 8.47 5
Agropyron spicatum <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
CeratochZoa marginata <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Oryzopsis hymenoides 0.14 0.52 0 - 2 7.14 2.13 2.65 7
Sub-total 13.72 49.99
INTRODUCED PERENNIAL GRASSES
Agropyron cristatum <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
~ AZopecurus pratensis 0.71 2.60 0 - 4 28.57 8.51 11.11 4
Elymus junceus 8.71 31.76 0 - 16 85.71 25.53 57.29 2
Festuca ovina 3.71 13.54 0 - 16 78.57 23.40 36.94 3
Sub-total 13.14 47.91
PERENNIAL FORBS
AstragaZus Grassi carp us <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
AstragaZus kentrophyta <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Penstemon strictus <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Sub-total <0.01 <0.01
ANNUAL AND BIENNIAL FORBS
Machaeranthera canescens <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Sub-total <0.01 <0.01
SHRUBS
Artemisia tridentata 0.57 2.08 0 - 6 14.29 4.26 6.34 6
Ceratoides Zanata <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Chrysothamnus nauseosus <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Chrysothamnus viscidiflorus <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Sarcobatus vermiculatus <0.01 <0.01 0 - <1 0.00 0.00 0.00 8
Sub-total 0.57 2.09