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<br /> <br />RANGE SITE N0. 287 <br />STONY FOOTHILLS <br />August 1975 <br />Native (potential) Vegetation and Guide for Determining Range <br />Condition. <br />Percentage composition by weight of the principal species may <br />total as much as: <br />'~ - <br />aF. <br />~~ <br />s y <br />• <br />Grasses and grasslike: <br />, Western wheatgrass -lfr•• S- <br />Bluebunch wheatgrass ~-0 u~~ <br />Galleta 5-16 <br />Indian ricegrass 5 - /o <br />Needle-and-thread 5 - /O <br />Junegrass 5 <br />Squirreltail 5 <br />Forbs: 5 <br />Shrubs: <br />Black and big sagebrush 15 <br />Fringed sagebrush 5 <br />Serviceberry 5 <br />Rabbitbrush 5 <br />Pinyon and Juniper 10 <br />.Tree species native to Lhis site are pinyon and juniper <br />does not exceed 10 percent. <br />__ Optimum ground cover is 25 percent. <br />~ •.:~c 2 <br />Canopy <br />Invaders of this site are gumweed, sleepy grass, and annual <br />plants. <br />4. Total Annual' Production <br />Favorable years 800 Pound per Acre Air Ory <br />Unfavorable years 400 " " " <br />Median years 600 " " " <br />:~ <br /> <br />~:' <br />