2015-03-16_PERMIT FILE - C1981008A ‎(3)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 3/16/2015
• Doc Name: Vegetation Information
• Section_Exhibit Name: Section 2.04.10 Vegetation Information NH2 Mine Area
• Media Type: D
• Archive: Yes

Table 2.04.10 -31
Mean Herbaceous Production (g /m2) Values
For The Dryland Pasture Reference Area
New Horizon 2 Permit Expansion Study Area, 1999
(n =30)
MORPHOLOGICAL CLASS
Perennial Shrubs
Perennial Grasses
Perennial Forbs
Annual Grasses
Annual Forbs
Total
(with P. Shrubs)
(Without P. Shrubs)
MEAN PRODUCTION (G /M2)
1.26
47.51
0.18
1.08
0.00
50.03
s
Ibs /ac
kg/ha
5.40
447
500
5.13
436
488
Minimum Sample size required (nm;n)= 9 (based on total production)
Minimum Sample size required (nmj= 8 (based on total production less P. shrubs)
Table 2.04.10 -32
Mean Woody Plant Density (stems /50m2)
For The Dryland Pasture Reference Area,
New Horizon 2 Permit Expansion Study Area, 1999
(n =30)
SPECIES MEAN DENSITY (STEMS 150M2)
Artemisia tridentata 0.24
Ephedra viridis 0.18 s # /ac # /ha
Total 0.42 0.32 34 85
Minimum sample size required (nm;n)= 2 (based on total density)
Woody plant density measurements in 1999 differed from 1987 as suffruticose species were
not measured consistent with Guidelines for Compliance with Land Use and Vegetation
August 2013 (PR 08) 2.04.10 -91