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<br /> <br />I_ <br />f- <br />I <br />f_ <br />I <br />iL <br />Table A-1 Aspen <br />1. Date sampled: October 1976 <br />2. Location: Hayden (,1i].c]i, Routt County, Colorado <br />3. Elevation: 7,560 feet <br />9. Slope: 10-158 <br />5. Aspect: Northwest <br />G. Physiography: t~buntainous <br />7. Soil~parnnt material: Williams Fork formation (sandstone, silt- <br />stone, mudstone, and shale) <br />8. Special rnvironmVntal features: The soil surface of the aspen <br />stand has been nnich disturbed by the northern pocket gopher, <br />Thot;n:m~s talpoid~s. Doirestic cattle, Bos bos, have grazed the <br />grasses, (orbs and shrubs; and elk, Cerds canadensis, have <br />frnquantly eaten the bark of t'~e asp~.n as evidenced by the <br />numarc~us scars. Sapsuckers, Sph~-}•apicus sp., have drilled <br />many holes into the aspen. <br />9. Vegetation <br />a. Trees <br />Species rlax Age I.1ax Ht # trces[gd 8 of all <br />(Yrs) (m) (375m ) trees <br />Populus tremuloides 67 <br />Total - <br />1G 100 100 <br />- loo loo <br />Species l~pro Dianeter size classes in dm <br />Clm 0-.5 .5-1 1-2 2-3 3-9 Total >lm <br />Populus tremuloides <br />Standing dead <br />Age/size class <br />22 68 3 6 13 5 95 <br /> 4 1 5 <br /> 21 49 53 67 <br />A-1 <br />