2010-02-01_REPORT - M1983194 (2)

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TABLE A5 - Reclaimed Well Pads 93-44 and 4A-4V Ground Cover, Biomass Production & Species Com osition, Jul 2009 Produc- Species Percent tion Composi- Scientific Name Common Name Cover 2 Ibs/ac3 tion4 es G rass 93% 1 AGCR A o ron cKstatum Crested Wheat ass 0.8% 6.40 . AGDA A o yron dasystach um Thicks ike Wheat ass 2.5% 23.48 7.08% 43% 1 AGSP A ro ron s icata var. inermis Beardless Bluebunch Wheat grass 0.6% 4.73 . AGTR A ro yron tricho horum Pubescent Wheatgrass 5.9% 68.88 20.78% 28% 13 BRTE Bromus tectorum Cheat ass (annual ass) 3.9% 44.00 . ELJU Elymus juncea Russian Wildrye 0.9% 10.86 3.28% 43% 4 ORHY O o sis menoides Indian Rice grass 1.2% 14.69 . SIHY Sitanion h strix Squirreltail 0.4% 3.26 0.98% STVI Sti aviridula Green Needle ass 1.1% 9.64 2.91% Total Grasses 17.3% 185.94 56.10% rbs F o 1 39% DESO Descurainia so hia Yellow Mustard 0.5% 4.62 . KOSC Kochia sco aria Kochia Weed (weed forb 3.0% 16.80 41 5.07% 1 93% LEPE Le idium erfoliatum clas ing ep erweed 0.6% 6. . LILE Linum lewisd Lewis Flax 0.4% 4.50 1.36% MEOF Melilotus o fcinalis Yellow Sweetclover 1.4% 19.42 5.86% 01% 14 MESA Medica o sativa Alfalfa 6.0% 46.44 . PEPA Penstemon almeri Palmer's Penstemon 0.6% 6.15 1.86% 42% 12 SAKA Salsola kah Russian thistle (weed forb) 5.9% 41.16 . Total Forbs 18.4% 145.50 43.90% Shrubs Total Shrubs 0.0% 0.00 0.00% Moss/Lichen 0.0% Vegetative Litter 16.2% Bare Ground 47.5% Rock 0.6% TOTAL 100.0% 331.44 100.00% Data was collected Jul 2009 utilizing ten 9.6 square foot quadrates. 2 Ground cover values were made from visual observations of cover type within each quadrate and reported as a percentage of total ground cover. 3 Production values were made using a double sampling procedure of estimates adjusted by actual values from representative samples to determine air-dry above ground biomass from the 10 quadrants, converted to pounds per acre using NRCS and BLM standard conversion rates. 4 b d on the ercenta e of total above ground biomass production for all species. Species com osItion values are ase u 2009 Annual Report 31 of 33