REP37656

• Permit No: C1981021
• IBM Index Class Name: Report
• Doc Date: 2/18/1998
• Doc Name: APPENDIX A EVALUATION OF REVEGATATION SUCCESS AT THE WALDEN COAL CO MINE SITE
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

Table I3. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA SEEDED IN 1988. WALDEN COAL
PROJECT SITE. BASED ON DATA COLLECTED BETWEEN 1989 AND 1997. MEAN COVER VALUES IN PERCENT.
w
w
Year 1989 1990 1991 1992 1993 1994 1993 1996 1997
Sample Size 14 14 l4 14 14 14 14 14 20

PERENNIAL FORBS
Achilles lanulosa 0.14 <0.01 <p.01 0.00 0.00 0.00 <0.01 0.00 0.00
Asbagalus titer 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 <0.01
Astraga/us crassicarpus 0.00 0.00 0.00 0.00 0.00 <11.01 <p.01 0.00 0.00
Astragalus kentrophyta 0.00 0.00 0.00 0.00 0.00 <p.01 0.00 <0.01 0.00
Oxybopis lambertii 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Penstemon strictus 0.00 <0.01 <0.01 <0.01 <0.01 <0.01 0.14 0.14 <0.01
Tararacum o~cinale 0.00 0.00 0.00 0.00 0.00 0.00 <p.01 0.00 <0.01
Subtotal 0.14 0.03 0.02 c0.Ol <O.OI 0 0.18 0.14 <O.OI

ANNUAL AND BIENNIAL FORBS
Carduws nutans 0.00 0.00 <p.01 0.00 0.00 0.00 0.00 0.00 0.00
Chenopodium album 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 0.00 0.00
Chenopodium atrovirens 1.37 <0.01 <0.01 0.00 0.00 0.00 0.00 0.00 0.00
Chenopodium berlandieri 4.43 2.37 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Descurainia richardsonii 0.00 <O.OI 0.00 <0.01 0.00 0.00 0.00 0.00 0.00
Kochia scoparia 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Machaeranthera canescens 0.00 0.00 0.00 0.00 0.00 <0.01 <0.01 0.00 <0.01
Salsola kali 0.37 0.71 0.43 0.00 0.00 0.00 0.00 0.00 0.00
Sisymbrium altissimum 0.00 41.01 0.00 <O.OI 0.00 0.00 0.00 0.00 0.00
Solanum hiflorum 0.00 0.00 0.00 <0.01 0.00 0.00 0.00 0.00 0.00
Subtotal 6.37 3.33 0.43 0.03 0.00 0.00 0.02 0.00 <p.01

SEMI-SHRUBS OR HALF-SHRUBS
Artemisia jrigida 0.00 <0.01 <0.01 <p.01 0.00 0.00 <p.01 <0.01 <0.0I
Chrysothamnus vaseyi 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 0.00
Subtotal 0.00 <p.Ol <0.01 <0.01 0.00 0.00 <0.01 0.02 <p.01