Species per 0.1 m^ plot 



10 



9- 



8- 



7- 



6- 



Q. 

 CO 



5- 



4- 



3- 



2- 



I- 



► Species per 20 plots 



\ 



\ 



— I 1 1 



1978 1979 1980 



20-1 



18- 



16- 



14- 



i lOH 



a. 



8- 



6- 



4- 



2- 



■ Species per 0.1 m^ plot 



> Species per 20 plots 



X 



T 



1978 1979 1980 



Figure 22. Species density in the Bogr/Agsm 

 community, 1978-1980. 



Figure 23. Species density in the 



Bogr-Caf i/Stco community, 

 1978-1980. 



-26- 



