Table 10. Andropogon scoparius - Agropyron spicatum Community Productivity 

 (kg/ha) 



Ansc Agsp Hemi Litter E Productivity 



1977 102 ± 64 182 ± 38 208± 36 946 ± 182 560 ± 73 



1978 128 ± 91 315 ± 95 513+ 93 438 ±138 1152 ±145 



1979 104 ± 92 268 ± 79 394± 92 774 ± 174 902 ± 128 



1980 26 ± 25 132 ± 43 261± 91 1051 ± 229 465 ± 68 



1981 75 ± 42 546 ± 94 323± 71* 761 ±159 1004 ± 66** 



* Mostly Carex filifolia , Muhlenbergia cuspidata , Aristida longiseta , Stipa 

 comata , and Ratibida columnifera . 



** Including 57 kg/ha of the chamaephytes Guitierrezia sarothrae and 

 Artemisia frigida . 



Table 11. Agropyron spicatum / Bouteloua gracilis - Carex filifolia Community 

 Productivity (kg/hal 



Agsp Bogr Cafi Hemi Cham* Litter E Productivity 



44± 14 142± 66 727± 158 372± 42 



365± 75 183± 64 306± 72 1284± 90 



86± 35 96± 31 520± 72 866± 123 



51± 30 134± 76 1021± 302 441± 63 



91± 33* 138± 37** 756± 116 835± 56 



* Mostly Stipa comata with lesser Koeleria pyramidata (Lam.) Beauv. 



** Mostly Eurotia lanata and Gutierrezia sarothrae with Tesser Phlox hoodi i 

 and Artemisia frigida . 



Table 12. Artemisia cana / Agropyron smithii / Bouteloua gracilis Community 

 Productivity (kg/ha) 



Area Agsm Bogr Hemi Litter z Productivity 



