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Table ],6 COn/inued Chapler 2. The AlteTluui"es ,::;) <..:.:.) 1-.--' (0 t,.,) en Discipline Impacts Potential Mitigation Alternative A Alternative B Allemative C Forest Sensitive ImpaclS to wildlife habitats under The foUowing summarizes estimated Impa<ts to FSS under Alternative C See previous subsection for potentia) mitigation Species (FSS) this alternative would include those habitat loss and the potential effects of would be similar to those occurring measures. associated with existing and ah-eady theses losses on FSS: under Alternative B. the main approved activities/facilities. Such differences being due to impacts would be minor since Dwarf shrew - 5 acres (<1 %), unlikely to consl:rUction of the Loge Peak approved developments would have subSlantive effect restaurant. and the Ridge and occur in areas already affected by Marten - 300 acres (29%), main efleer Highland Surface lifts, less artifICial openings WId human would removal of snags WId woody snowmaking, and summer activities activities. debiis during gJading. could result in at Loge Peak, some areas being temporarily abanduned Following are possible differences Nonhero goshawk - minimal potential in habitalloss and impacts under impact on suilBble nesting habitat. the two alternatives: Boreal owl and three,toed woodpecker - 300 acres, (34 and 24%, respectively). Dwarf shrew - one additional acre removal of snags during glading could of habilal would be impacted due to adversely affect individuals but eXlnl grading along the ridgeline, populations are no' likely to be affected but the total of 6 acres of habitat in the long term, disturbance would constitute <1 % Olive-sided flycatcher and golden of total habitat although added crowned kinglet - same habitat loss as snow compaction COD ld also affect for previous two the species. specks but removal of snags would ha'Ve Fox sparrow -only 9 acres (12 less little effect and there shou Id be few than adv",,", popula1ion impacts. under Alternative B) would be Fox sparrow - 20 acres (24%). any fox impacted resu lting in Jess of an sparrows that do occur are not likely to effect especially if terrain be impacted due to most of impact being de\leJopment is not c.anied out low intensity gJading, during the breeding season. Species of High Public Impacts to wildlife habiIats under Degradation of existing elk. summer Under Alternative C. impacts to Loss of big game habitat could be mitigated by Interesl this ahemative would include !.hose habitat resulting from lift and species of high public interest leaving undisturbed forest islands near gladcd areas, associated with existing and already catwalk/access road ronslIUction would would be similar to those associated avoiding the lick near Pyramid Peak, stabilizing! approved activities/faCilities. Such occur, especially in the vicinity of with Alternative B. However, due seeding liftIine corridors with preferred elk/mule impaclS would be minor since Highland Bowl Lift. This may be to the restaurant and surface lifts deerlblacli: bear forages. and phasing construction of approved developments would balanced by an increase in the under Alternative C, highorn sheep individuallifr pods, occur in areas already affected by forage/cover ratio, which is currently and black bear may suffa artificial openings WId human suboptimal. additional impacts as follow.: Disturbanre of bighorn sheep during off season can activities. be reduced by prohibiting access to lambing areas hnpacts on mule deer ....ould be 5imi1ar Bighorn sheep - conslrUclion/ from May to June, and avoiding the 511111ick near to those on elk, bu' due to their maintenance of the surface lifts and Pyramid Park- Comparison of Allernazives 2-23