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• To finalize the plant materials lists, dominant or commonly occurring species identified in the <br />Seneca II-W and IT-W South Extension area vegetation baseline studies were evaluated for <br />inclusion in the seed mixes or planting lists. The list of these species was further refined to <br />include the more desirable (i.e., no noxious or strong increaser species) or high utility species. <br />Realistic and consistent market availability was a strong selection criterion for all potential <br />species and varieties. Included species, which were not present in vegetation baseline studies <br />were added to aid in achievement of the revegetation goals speciEed earlier. FinaIIy, analysis of <br />revegetation monitoring data collected at the Seneca II Mine since 1985 and review oEpertinent <br />revegetation literature was performed. The resulting information provided insights into seeded <br />species performance, seeding rates, stand composition, planting rates and survival percentages, <br />and the degree to which natural regeneration compliments the seed mixes. <br />Seed Mix No. 1 (Ta61e 22-1) has been designed for all reclaimed upland sites and ephemeral <br />drainages on the acne area. It will be used for upland azeas on the tie-across haul road. The <br />23 species contained in the mix are adapted to a broad range of site conditions noted following <br />the aux. Site differences related to aspect, topography, moisture conditions, and topsoiling will <br />compliment Seed Mix No. 1, vary the species composition Erom site to site, and provide <br />• opportunities for diverse communities and habitat. Natural regeneration, variable in <br />composition and degree, w111 also contribute to diverse reclaimed communities. Shrnb planting <br />areas, described in Following sections, are included to further enhance the diversity of the <br />reclaimed upland areas and ephemeral drainages. <br />Seed Mix No. 2 (Table 22-2) will be used in areas that aze likely to have wet or potentially wet <br />site conditions such as the reclaimed haul road areas along the Dry Creek drainage and the faz <br />eastern edge of the tie-across haul toad. Additions] sites where this mix may be used are the <br />vianity of Ponds 005 and 006 and any other permanent ponds. The species listed in the mix <br />provide the basis for redevelopment of mesic site or riparian communities. Native species, <br />which are not available as seed or seedlings, will reestablish in reasonable time frames because <br />of the availability of native plant propogules in the proximity of the reclaimed areas. <br />Observations of similar areas at the Seneca II Mine indicate ha Carer and u cus species <br />have reestablished naturally. Selected shrub or tree plantings, as discussed later, w111 complete <br />reclamation of these sites. <br />• <br />PR-03 <br />13 <br />Revised 11/02 <br />