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<br />Table 3 cont. <br />Page 2 <br /> <br />Estimated elk use over the survev area <br />Seven year mean elk use, winter months = 256.2 elk <br />(23,075 available acres)(33,334 stems/a)(.0173 lbs/stem) = 13,306,849.5 lbs <br />of available shrub forage, winter months <br />(l AUM = 900 Lbs for one cow)(.3, one mature elk) = 270 lbs of needed <br />forage/month/elk <br />(270 lbs)(.5, as shrubs, winter months) = 135 lbs/month <br />(135 lbs of shrubs/month)(3 months, Dec 15-Mar 15) = 405 lbs of <br />shrubs/elk/winter period <br />(256.2 elk)(405 lbs of shrubs need/elk) = 103,761 lbs of shrubs <br />needed/winter peiod. <br />(103,761 lbs of need shrub forage) - (13,306,849.5 Lbs available) _ .0078 <br />total available needed <br />(.008 of total available needed)(23,075 acres) = 184.6 acres of shrub lands <br />in survey area needed to support historic winter elk herd for three months. <br />Assume estimate under estimates need by 100% then 369.2 acres out of a <br />possible 23,075 acres are required for winter elk use. <br />Shrub standard <br />25% of the reclaim area not in cropland will be set aside as shrub <br />establishment areas. <br />(.25)(4,650 acres) = 1,162.5 acres <br />Shrub standard within shrub establishment areas <br />(23,075 acres of elk winter range within survey area) ~ (256.2 elk, historic <br />x winter use) = 90.1 acres/elk <br />(4,650 available reclaim acres) (90.1 acres/elk) = 51.6 elk to be carried <br />on reclaimed elk winter range for three months. <br />(51.6 elk/3-month period)(405 lbs of shrub forage/elk/3-month period) _ <br />20,898 1bs of need shrub forage on reclaimed areas to carry 51.6 elk for <br />three months <br />continued next page <br />