Laserfiche WebLink
RULE 4 PERFORMANCE STANDARDS <br />• <br />4.15.7 DETERMINING REVEGETATION SUCCESS: GENERAL REOUIREMENTS AND <br />STANDARDS <br />During the summer of 2005, reference areas were selected to represent vegetative communities in the <br />Collom mining area. The locations of these reference areas are shown on the Vegetation map (Map 4C — <br />Sheet 1). Extensive, detailed vegetative sampling was performed, duplicating the methodologies as <br />described in Section 2.04.10. <br />The reference areas were sampled for herbaceous cover, herbaceous production and woody plant density. <br />Species diversity was determined utilizing herbaceous cover data from the premining inventory. The <br />reference areas vary in size between 27.7 and 79.5 acres (Table 2.04.10 -33) <br />Statistical tests were performed on the vegetative data from the reference areas to prove that they were <br />comparable to the premined area. The parameters compared were herbaceous cover and herbaceous <br />production. <br />Sample size adequacy tests were performed on both the premine and reference area data to insure that <br />representative cover and production data had been obtained at the 90% level of confidence. <br />Where necessary, the mean, variance and number of observations for the premine and reference area data <br />were used to perform t -tests on the cover and production data to insure that there were no significant <br />differences, at the 90% level of confidence, between the sets of cover data and production data. <br />Collom — Rule 4, Page 32 Revision Date: 1/23/09 <br />Revision No.: PR -03 <br />Preferred application method is with a Trillion or similar seeder. Species that are problematic for drill <br />