2001-12-11_PERMIT FILE - C1981012A ‎(4)‎

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15 COVER AND PRODUCTION OF RDA 09/84
• Media Type: D
• Archive: Yes

Table 1. Cover sampling statistical sununary, New Elk mine tailings disposal area, September 1984.
Con ifcr-Shrub Oak-Shrub Reference Area
Mean (x) Range Mean (x) Range Mean (x) Range
Cannpy 42.75 (27-71) 43.16 (23-64) 0.80 ( 0- 4)
Plant Cover
Craminoids 20.45 ( 9-27) 9.00 ( 0-22) 43.50 (31-52)
Forbs 3.70 ( 0- 9) 2.12 ( 0- 5) 8.30 ( 3-15}
Shrubs 3.35 ( 0-10) 3.12 ( 0- 6) 1.40 ( 0- 5)
Cacti 0.05 ( 0- 1) 0.54 ( 0- 3) 0.40 ( 0- 3)
Total Plant Cover 27.55 (19-34) 14.79 ( 6-24) 53.60 (45-60)
Remainder
Litter 51.90 (35-68) 39.50 (16-53) 9.00 ( 0-22)
Total Cover 79.45 (66-94) 54.29 (30-68) 62.60 (51-83)
Rock 16.10 ( 2-34) 32.54 (14-62) 0.60 ( 0- 3)
Bare Cround 4.45 ( 0-11) 13.17 ( 1-30) 36.80 (17-49)
To[al 100.00 100.00 100.00
Plant Cover Statletlca*
Sample Size (n) 20 24 10
Standard Deviation (o) 4.03 3.98 5.15
Minimum Sample Size <n
} 5.78 19.51 2.49
min
(p=0.10; d=0.10)
Standard Error (o-)
x 0.90 0.20 1.62
Confidence Interval (p~0.10) 27.55 + 1.48 14.79 + 0.34 53.60 ± 2.68
*Computatlons based on To[al Plant Cover