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• • <br />TABLE 69 (Continued) <br />PASTURE REFERENCE AREA SUMMARY FOR RELATIVE COMPOSITION AND DIVERSITY <br /> <br />Species <br />Common Name 1983 <br />Composition Diversity2 1985 <br />Composition Diversity2 1986 <br />Composition Diversit <br /> GRASSES . <br /> Agropyron intermedium intermediate wheatgrass -- -- -- -- .12 .004 <br /> Agropyron species wheatgrass -- -- -- -- -- -- <br /> Bromus carenatus mountain brome -- -- 3.37 .050 -- -- <br /> Bromus inermis smooth brome 95.65 .019 85.13 .060 89.13 .045 <br /> Da~is~omerata orchard grass -- -- .44 .010 -- -- <br /> Festuca (species) fescue .26 .007 -- -- -- -- <br /> P-F-i el um pratense timothy -- -- 2.12 .036 .46 .011 <br /> Poa ratensis Kentucky bluegrass -- -- .44 .010 3.77 .054 <br /> oa species bluegrass .82 .017 -- -- -- -- <br /> SUBTOTAL 96.73 .043 91.50 ~ 93.48 ~~ <br /> FORBS <br /> Achilles millefolium western yarrow .12 .004 .44 .010 .22 .006 <br /> Circium arvense Canadian thistle -- -- .44 .010 .46 .011 <br /> Epilobium am culatum autumn willowweed -- -- -- -- .81 .023 <br /> Helianthus species sunflower -- -- -- -- -- -- <br /> Lupinus caudatus lupine -- -- .44 .010 .22 .006 <br /> Macharanthera canescens hoary aster -- -- -- -- -- -- <br /> Pensteman species penstemon .35 .009 -- -- -- -- <br /> o .ylr q~ aviculare knotweed -- -- -- -- -- - <br /> Vicia americans American vetch -- -- -- -- -- -- <br /> Unknown fortis -- -- -- -- .12 .004 <br />A SUBTOTAL ~7 ~T3 ~~ X36 -I~3 .a~56 <br />m <br />~• <br />SHRUBS <br />1 Artemisia cans silver sage .12 .004 .44 .010 .22 .006 <br />-~ Artemisia tridentata big sagebrush 2.70 042 6.74 .079 4.46 060 <br /> SUBTOTAL 2.~ .OT6 ~.t$ 0.89 ~~ <br /> TOTAL 100.02 .102 100.00 .285 99.99 .230 <br />p <br />J <br /> 2Relative Composition determined from vegetation cover~iata <br /> Diversity calculated as Shannon-Weiner Index from composition values <br />