REP45814

• 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 1. COVER, FREQUENCY AND IMPORTANCE VALUE SUMMARY FOR THE PORTION OF THE RECLAIMED AREA SEEDED IN
1984. WALDEN COAL PROJECT SITE. BASED ON 1992 (JULY 30) DATA FROM SIX 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
($) ($) ($1 (~) ($1
i
m
COOL SEASON PERENNIAL GRASSES
Agropyron dasystachyum
Oryzopsis hymenoides
Stipa comata
St ipa viridula
Sub-total
INTRODUCED PERENNIAL GRASSES
Agropyron cristatum
Agropyron intermedium
Bromus inermis
Elymus junceus
Sub-total
PERENNIAL FORBS
Achillea lanulosa
Penstemon strictus
Sub-total
ANNUAL AND BIENNIAL FORBS
Machaeranthera canescens
Sub-total
SEMI-SHRUBS OR HALF-SHRUBS
Artemisia frigida
Sub-total
SHRUBS
Artemisia tridentata
Sub-total
SUM OF SPECIES COVER
8.33 31.63 2 - 16 100.00 27.27 58.90 2
<0.01 <0.01 0 - <1 0.00 0.00 0.01 b
0.33 1.27 0 - 2 16.67 4.55 5.81 5
4.33 16.45 2 - 6 100.00 27.27 43.72 3
13.00 49.35
<0.01 <0.01 0 - <1 0.00 0.00 0.01 6
0.33 1.27 0 - 2 16.67 4.55 5.81 5
<0.01 <0.01 0 - <1 0.00 0.00 0.01 6
1.67 6.33 0 - 6 33.33 9.09 15.42 4
2.00 7.60
<0.01 <0.01 0 - <1 0.00 0.00 0.01 6
<0.01 <0.01 0 - <1 0.00 0.00 0.01 6
<0.01 <0.01
<0.01 <0.01 0 - <1 0.00 0.00 0.01 6
<0.01 <0.01
<0.01 <0.01 0 - <1 0.00 0.00 0.01 6
<0.01 <0.01
11.33 43.02 4 - 20 100.00 27.27 70.29 1
11.33 43.02
26.35