LIST OF FIGURES 



Figure 1. Location of Circle West vegetation exclosures 2 



Figure 2. Net aerial production in Stco/Bogr-Caf i, Bogr-Cafi/Stco, 



and Stco-Agsm/Bogr communities, 1977-1980 10 



Figure 3. Net aerial production in Bogr, BogrMgsm and Agsm/Bogr 



communities, 1977-1980 10 



Figure 4. Net aerial production in Ansc, Ansc-Agsp, and Agsp/ 



Bogr-Cafi communities, 1977-1980 11 



Figure 5. Net aerial production in Dist, Dist-Agsm, and Arca/Agsm/ 



Bogr communities, 1977-1980 11 



Figure 6. Net aerial production of two grasses in the Agsm/Bogr 



community, 1977-1980 12 



Figure 7. Net aerial production of two grasses in the Bogr/Agsrr' 



community, 1977-1980 12 



Figure 8. Net aerial production of two grasses in the Stco/Bogr- 



Cafi community, 1977-1980 13 



Figure 9. Net aerial production of three species in the Bogr-Cafi/ 



Stco community, 1977-1980 13 



Figure 10. Net aerial production of three grasses and 



hemicryptophytes in the Stco-Agsm/Bogr community, 



1977-1980 14 



Figure 11. Net aerial production of three species in the Agsp/Bogr- 



Cafi community, 1977-1980 14 



Figure 12. Net aerial production of three species in the Arca/Agsm/ 



Bogr community, 1977-1980 15 



Figure 13. Net aerial production of Agropyron smithii in five 



communities, 1977-1980 15 



Figure 14. Net aerial production of Bouteloua gracilis in seven 



communities, 1977-1980 16 



Figure 15. Net aerial production of Stipa comat a in three 



communities, 1977-1980 16 



Figure 16. Net aerial production of Carex filifolia in three 



communities, 1977-1980 17 



Figure 17. Net aerial production of Distichlis stricta in two 



communities, 1977-1980 17 



Figure 18. Species density in the Dist community, 1978-1980 24 



ii 



