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C~ <br />Revised 1/28/80 <br />Section 785.19(c) Continued <br />Due to the abundance of the rushes and sedges, differences in species <br />conq~osition can be derived between these plant oomnunities. Discounting <br />the presence of rushes and sedges no significant differences in ecological <br />dominants aze evident. Total potential annual production of the various <br />plant communities is presented in Table 41. Meadow production was found <br />to be 3,037 pounds per acre. Discounting the nonagricultural species <br />(sedges and rushes) meadow production equals 1,779.5 pounds per acre of <br />forage available for grazing. Comparison of this value with total <br />forage production values contained in Table 41 reveals that the treated <br />• sagebrush, silver sagebrush, meadow and pastureland sites produce more <br />useable forage. The agricultural value of the study area is thus lower <br />than surrounding undisturbed communities. Therefore, the vegetation of <br />the study azea is not supported by subirrigation or flood inundation, <br />and would not be considered indicative of an alluvial valley floor. <br />HISTORICAL FLOOD IRRIGATION <br />Historical records of flood irrigation in Eckman Pazk aze poor, but Mr. <br />Wes Signs at the Division 6 State Engineer's Office confirms that there <br />has been no active flood irrigation in the area for at least twenty <br />years. A poorly maintained group of stock ponds and ditches known as <br />the Eckman Park Reservoir and Ditch System still exists and is shown on <br />• the Twentymile Park Hydrology Insert (Map 6). Reservoir No. 1 and Ditch <br />785-9(w) <br />