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May 2001 to control Bromus tectorum. Specific sampling information for the 1998 <br />reseeded or interseeded areas is contained in Tables 5 and 9. <br />• Vegetation Cover <br />Total vegetation cover of the 1998 reseeded or interseeded azeas was the highest of all <br />azeas sampled in 2001 with 51.00 percent. Graminoids provided 37.40 percem mean <br />cover (75.08% relative cover), forts accounted for 13.40 percent mean cover (24.60% <br />relative cover), and one shrub contributed 0.20 percent mean and 0.32 percent relative <br />cover. Total cover values were variable between the individual azeas within the 1998 <br />reseeded or interseeded azeas. The lowest total vegetation cover mean of the pazcels <br />sampled was found in the burned pazcel south of the sediment pond (38% average) and <br />the highest mean cover was encountered in the east of'87 area (66%). It was noted that <br />the burned azeas (south of sediment pond and west of dugout), while having the lowest <br />mean cover values, also contained the least amounts of Bromus tectorum. One species <br />provided cover throughout all the reseeded or interseeded area transects, Calamovilfa <br />longifolia. Bromus tectorum was present in fow of the five pazcels and 90% of the <br />transects. <br />Within the 1998 reseeded or interseeded azeas, Bromus tectorum accounted for the <br />highest overall cover with 25.00 percent mean cover and 48.87 percent relative cover. The <br />warm season perennial grass Calamovi fa longifolia contributed the second highest cover <br />values with 5.40 percent mean cover and 10.68 percent relative cover. Euphorbia <br />glyptosperma (ridgeseed spwge), an annual cool season native fort, was very dominant in <br />• the open burned pazcels, and accounted for 6.20 percent mean cover and 10.36 percent <br />relative cover overall. Three additional species contributed significantly to cover; <br />Ambrosia psilostachya with 2.60 percent mean cover (5.50% relative cover), and <br />Agropyron smithii and Helianthus animus each provided 1.60 percent mean total cover <br />and 3.24 percent relative cover. <br />Vegetative litter (prior yeazs growth, dead wood, and other biologic organic material) <br />comprised 35.80 percent ground cover overall within the 1998 reseeded or interseeded <br />areas. Baze soil comprised 13.20 percent of the ground cover. No rock or cryptogams <br />were encountered during the cover sampling in the 1998 reseeded or interseeded areas. <br />Herbaceous Production <br />Total herbaceous production within the 1998 reseeded or interseeded azeas this yeaz was <br />186.33 g/m2 (1661 ]b/ac). Perennial grasses contributed 111.16 g/m2 (991 Ib/ac) to <br />herbaceous production in this azea, comprising 59.6 percent of total herbaceous <br />production. Annual grasses were the second lazgest contributor to herbaceous production <br />in this azea with 54.40 g/m2 (485 lb/ac) or 29.2 percent of total herbaceous production. <br />Perennial forts provided 14.73 g/m2 (131 lb/ac) or 7.9 percent of total herbaceous <br />production, while annual forts provided 6.03 g/m2 (54 lb/ac), which was 3.2 percent of <br />the total mean herbaceous production. Biennial forts provided a minuscule amount, 0.01 <br />I~ <br />L J <br />-11- <br />