Table 11. Andropogon scoparius-Agropyron spicatum c .t . (n = 15) 



Ansc Agsp Hemi Cham Geo Litter Z Productivity 



50 



Table 12. Agropyron spicatum/Bouteloua gracilis-Carex filifolia c.t. (n= 20^ 



Agsp Bogr Cafi Hemi Cham Thero Litter Z Productivity 



Table 13. Artemisia cana /Agropyron smithii/Bouteloua gracilis c.t. (n = 25) 



Area Agsm Bogr Hemi Cham Thero Geo Litter T, Productivity 



117 84 75 



Frequency anu Coverage 



Data on the species composition, average coverage, and frequency of 

 exclosures are summarized in Table 14. 



12 



