• Stco/Bogr-Cofi 



•• Bogr-Cafi/Stco 



• Stco-Agsm/Bogr 



1500- 



1300- 



1100- 



o 900- 



■* 700- 



500- 



300- 



100- 



0- 



T 



T 



1977 1978 



-1 — 

 1979 



"T — 

 1980 



"I 

 1981 



• Bogr 



• Bogr/Agsm 



• •• Agsm/Bogr 



1977 1978 1979 



1980 



1981 



Figure 2. Net aerial production in Stco/ 

 Bogr-Cafi, Bogr-Cafi/Stco, and 

 Stco-Agsm/Bogr communities, 

 1977-1981. 



Figure 3. Net aerial production in Bogr, 

 Bogr/Agsm, and Agsm/Bogr 

 communities, 1977-1981. 



12 



