2008-07-11_REPORT - m1983194

• Permit No: m1983194
• IBM Index Class Name: REPORT
• Doc Date: 7/11/2008
• Doc Name: Annual Report
• From: Natural Soda
• To: DRMS
• Permit Index Doc Type: Annual Reclamation Report
• Media Type: D
• Archive: No

Table 6.7 - 2007 Reclai ed'Well Pad Vegetation Biomass Production (lbs/ac)
September 2007
Well Pace
1A-4HI
1 Well Pad
3A-4H Well Pad
3A-4H 2007 Native
Rangeland
Perennial Grass 99.9 194.0 233.8 298.1
Perennial Forbs 17.9 66.8 60.7 59.4
Annual Grass 6.3 4.4 2.1 10.0
Weedy Forbs 37.8 17.4 13.2 6.8
Shrubs 27.3 106.5 139.7 154.0
TOTAL 189.2 389.1 449.5 528.3
Table 68 - 2007 Re laimed Well Pad Plant Species Composition (%)
September 2007
Well Pad IX-
4HI 1 Well Pad 3A-4H Well Pad 3A-4H 2007 Native
Rangeland
Perennial Grass 52.8 49.9 52.0 56.4
Perennial Forbs 9.5 17.2 13.5 10.9
Annual Grass 3.3 1.1 0.5 1.9
Weed Forbs 20.0 4.5 2.9 1.7
Shrubs 14.4 27.3 31.1 29.1
Total 100.0 100.0 100.0 100.0
Well Pad Site 1A-411I: There is a good survival and uniform distribution of the seeded species
across this site. The cover of perennial grasses and forbs are similar to native rangelands,
however, production from both is lower, most likely due to younger plants. Cover and
production of shrubs is below that of native rangeland due to juvenile plants. The cover of weedy
forbs and bare ground exceeds that of native rangeland. Visual estimation of weedy forb cover in
2006 was about 30-40 percent across the site compared with the 14 percent measured in 2007. It
is expected that the weedy forbs will continue to decline because of the competition from
perennial plant species. Bare ground on this site is also expected to decline as the younger
perennial plants begin to mature.
In comparison of the reclamation goals/requirements:
• The cover of perennial species is 77 % of that on undisturbed sites.
• The production of perennial grasses is 34 % and production of perennial forbs is 30 % of
that on undisturbed sites.
• The composition of perennial forbs is 87 % of that on undisturbed sites.
• The composition of shrubs is 49 % of that on undisturbed sites.
It is likely the site will achieve the requirements at some point without additional reclamation
efforts as perennial species continue to mature and increase their production.
Well Pad Site 3A-4H: This site also has a good survival and distribution of seeded species.
There are larger areas of bare ground on this site than the other sites due to a more southerly
exposure. The plant composition of this site in terms of perennial grasses, forbs and shrubs is
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