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

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Table 2. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA
SEEDED IN 1989. WALDEN COAL PROJECT SITE. BASED ON DATA
COLLECTED BETWEEN 1989 AND 1999. MEAN COVER VALUE S IN
PERCENT.
Year
Species 1989 1990 1991 1992 1993 1999
Sample Size 6 6 6 6 6 6
COOL SEASON PERENNIAL GRASSES
Agropyron dasystachyum 9.33 9.67 6.00 8.33 11.33 4.67
Agropyron smithii 1.00 0.67 0.01 0.00 1.67 0.00
Agropyron spicatum 0.00 0.01 0.00 0.00 0.00 0.00
Deschampsia caespitosa 0.00 0.01 0.00 0.00 0.00 0.00
Festuca idahoensis 0.00 0.00 0.00 0.00 0.01 0.00
Hordeum brachyantherum 0.00 0.33 0.00 0.00 0.00 0.00
Oryzopsis hymenoides 0.00 0.01 0.00 0.01 0.01 0.00
Poa ampla 2.33 0.00 0.00 0.00 0.00 0.01
Stipa comata 0.00 0.00 0.00 0.33 0.00 0.00
Stipa viridula 6.00 3.33 0.01 4.33 0.67 3.00
Subtotal 18.67 19.03 6.02 13.01 13.69 7.66
INTRODUCED PERENNIAL GRASSES
Agropyron cristatum 0.00
Agropyron intermedium 0.00
Bromus inermis 0.00
Elymus junceus 0.33
Poa pratensis 0.00
Subtotal 0.33
PERENNIAL FORBS
Achilles lanulosa
Arabis sp.
Astragalus titer
Astragalus crassicarpus
Astragalus kentrophyta
Penstemon strictus
Rumex salicifolius
Subtotal
ANNUAL AND BIENNIAL FORBS
0. 00 0. 00 0.01 0.00 0.00
0. 00 0. 00 0.33 0.01 0.67
0. 00 0. 00 0.01 0.00 0.00
1. 67 0. 33 1.67 1.00 2.67
0. 33 0. 01 0.00 0.01 0.01
2. 00 0. 39 2.02 1.02 3.35
0.00 0. 01 0. 00 0.01 0.01 0. 01
0.00 0. 00 0. 00 0.00 0.01 0. 00
0.00 0. 33 0. 00 0.00 0.01 0. 00
0.00 0. 01 0. 00 0.00 0.00 0. 00
0.00 0. 00 0. 01 0.00 0.00 0. 00
0.00 0. 00 0. 00 0.01 0.01 0. 00
0.00 0. 00 0. 01 0.00 0.01 0. 01
0.00 0. 35 0. 02 0.02 0.05 0. 02
Chenopodium pratericola 0.00 0.01 0. 00 0. 00 0. 00 0. 00
Cordylanthus wrightii 0.00 0.00 0. 00 0. 00 0. 00 0. 01
Machaeranthera canescens 0.00 0.00 0. 00 0. 01 0. 01 0. 01
Subtotal 0.00 0.01 0. 00 0. 01 0. 01 0. 02
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