1500- 



1300- 



1100- 



o 900- 



■* 700- 



500- 



300- 



100- 



• Stco/Bogr-Cofi 



• Bogr-Cofi/Stco 



•••.....•Stco-Agsm/Bogr 



I 



T 



1977 1978 



—I 1 



1979 1980 



2I00-, 



1900- 





• Bogr 



• Bogr/Agsm 



• Agsm/Bogr 



1977 



1978 1979 



Figure 2. Net aerial production in 



Stco/Bogr-Cafi, Bogr-Caf i/Stco, 

 and Stco-Agsm/Bogr communities, 

 1977-1980. 



Figure 3. Net aerial production 

 in Bogr, Bogr/Agsm and 

 Agsm/Bogr communities, 

 1977-1980. 



■10- 



