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For cover success standards, the cover in the reference area will be compared to the cover in <br />the reclaimed area with no weighted average adjustments for soil type. <br />Attachment 2.05.4(2)(e) - 4 shows the location of the new Reclaimed Irrigated Pastureland <br />reference area in addition to the dryland reference areas near the Nucla airport. <br />Attachment 2.05.4(2)(e) - 5 shows the Statistical Data of the 2007 Sampling of the Reclaimed <br />Irrigated Pastureland Reference Area. Cover and Production data are included. <br />For Reclaimed Irrigated Pastureland areas, vegetation cover and herbaceous production will be <br />measured at reclaimed sites and the reference area. Comparisons of the mean parameter <br />values between the reclaimed areas and the reference area will be used to determine <br />revegetation success, as described below. As described above in this section, the production <br />standard is adjusted for soil types in the reclaimed area vs. the reference area. <br />Vegetation cover will be measured as either canopy cover or basal cover of living herbaceous <br />and woody vegetation, as defined by DRMS Regulation 4.15.8(3)(b). Herbaceous production <br />will be measured as current year above -ground biomass of herbaceous vegetation, as defined <br />by DRMS Regulation 4.15.8(4). <br />Vegetation sampling for measuring reclamation success will be conducted to ensure a <br />repeatable and unbiased estimate of each vegetation population parameter. Measurements <br />made on the reference area will be done in the same manner and season as measurements <br />made on reclaimed lands, to ensure valid comparisons as specified in DRMS Regulation <br />4.15.11(1). Measurements will be typically made in late May to early June, although the <br />timeframe is subject to variation associated with weather conditions and irrigation water <br />availability. Sampling will be conducted within two weeks prior to 1 st cut harvest of the <br />reclaimed fields and prior to any growing season livestock grazing in the reference area. <br />Vegetation cover will be measured by a point intercept method that meets the provisions of <br />DRMS Regulation 4.15.11(1)(a)(i). The observational unit will be a series of predetermined <br />random intervals along a transect tape at least 5 meters in length, where 10 predetermined <br />randomly selected intervals will be used to collect 100 data points. A point sampling device <br />supported by a rigid frame will be used to ensure unbiased and vertical point placement. <br />August 2013 PR -08 2.05.4(2)(e) - 24 <br />