2010-02-01_REPORT - M1983194 (2)

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MEM-MILY - Ground over for Well Pads 93-3V and 4-2V, Jul 2009 Table 6-17 - 2009 2009 Native Rangeland Similarity w/ 2009 Native Rangeland Perennial Grasses 15.7 26.05 -39.7% Perennial Forbs 6.8 6.55 +3.7% Annual Grasses 2.7 1.00 +63.0% Weedy Forbs 3.3 0.25 +92.4% Shrubs 14.5 19.70 -26.4% Moss/Lichens 0.0 9.55 -100.0% Vegetative Litter 22.1 13.95 +36.9% Bare Ground 33.2 22.95 +30.9% Rock 1.7 0.00 -100.0% Total 100.0 100 ------- Table 6-18 - Biomass Production and Plant Species Composition for Well Pads 93-3V and 4- 2V, July 2009 2009 Biomass Production (lbs/ac) 2009 Plant Species Composition (%) Similarity 2009 2009 Similarity 2009 2009 Native w/ 2009 Species Native w/ 2009 Bio- Rangeland Native Comp- Range- Native mass Rangeland osition land Rangeland Perennial 193.6 47.72 53.58 -10.9% Grass 2 325.18 -40.5% Perennial 14.30 17.46 -18.1% Forbs 58.02 106.01 -45.3% Annual Grass 48.79 15.53 +68.2% 12.03 2.56 +78.7% Weedy Forbs 23.64 6.52 +72.4% 5.83 1.07 +81.6% Shrubs 81.68 153.71 -46.9% 20.13 25.33 -20.5% Total 405.7 100 100.00 5 606.95 -33.1% As shown in Table A6, the site has a good distribution of perennial grasses, perennial forbs and shrubs which all should improve with time. The site has an extensive production and cover of annual grass and weedy forbs, which are competing with desirable plant species. It is likely that the amount of weedy species will decline over time, but may extend the time necessary for the site to reach reclamation goals and requirements. The following statements compare the values measured in 2009 for Well Pads 93-44 and 4A-4V to the reclamation goals/requirements: • The production of perennial grasses is 59.5 percent and production of perennial forbs is 56.3 percent of that on native rangeland. Both below the requirement of being equal for successful reclamation. 2009 Annual Report 25 of 33